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commit 161b5c84601c115f8297c7cc652da8a326aa50a9
Author: Otavio Rodolfo Piske <[email protected]>
AuthorDate: Thu Sep 15 15:36:54 2022 +0200

    CAMEL-18506: replace async http client with Java's own HTTP client in 
camel-telegram
---
 .../apache/camel/catalog/components/telegram.json  |   5 +-
 components/camel-telegram/pom.xml                  |  10 +-
 .../telegram/TelegramComponentConfigurer.java      |  10 +-
 .../telegram/TelegramEndpointConfigurer.java       |   9 +-
 .../telegram/TelegramEndpointUriFactory.java       |   2 +-
 .../apache/camel/component/telegram/telegram.json  |   7 +-
 .../component/telegram/TelegramComponent.java      |  26 +-
 .../camel/component/telegram/TelegramEndpoint.java |  81 +---
 .../telegram/service/OutgoingMessageHandler.java   | 117 ++++++
 .../telegram/service/TelegramAsyncHandler.java     | 121 ++++++
 .../telegram/service/TelegramBodyPublisher.java    | 163 ++++++++
 .../service/TelegramServiceRestBotAPIAdapter.java  | 411 +++++++--------------
 .../TelegramConsumerHealthCheckErrorTest.java      |   2 +-
 .../telegram/TelegramWebhookRegistrationTest.java  |  26 +-
 .../telegram/integration/TelegramServiceIT.java    |  11 +-
 .../integration/TelegramServiceProxyIT.java        |   6 +
 .../service/OutgoingMessageHandlerTest.java        | 146 ++++++++
 .../telegram/service/TelegramAsyncHandlerTest.java |  63 ++++
 .../ROOT/pages/camel-3x-upgrade-guide-3_19.adoc    |   8 +
 .../dsl/TelegramComponentBuilderFactory.java       |  30 +-
 .../dsl/TelegramEndpointBuilderFactory.java        | 207 -----------
 21 files changed, 817 insertions(+), 644 deletions(-)

diff --git 
a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/components/telegram.json
 
b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/components/telegram.json
index b7f172aaf57..ed7d8f4c8a2 100644
--- 
a/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/components/telegram.json
+++ 
b/catalog/camel-catalog/src/generated/resources/org/apache/camel/catalog/components/telegram.json
@@ -26,8 +26,7 @@
     "lazyStartProducer": { "kind": "property", "displayName": "Lazy Start 
Producer", "group": "producer", "label": "producer", "required": false, "type": 
"boolean", "javaType": "boolean", "deprecated": false, "autowired": false, 
"secret": false, "defaultValue": false, "description": "Whether the producer 
should be started lazy (on the first message). By starting lazy you can use 
this to allow CamelContext and routes to startup in situations where a producer 
may otherwise fail during star [...]
     "autowiredEnabled": { "kind": "property", "displayName": "Autowired 
Enabled", "group": "advanced", "label": "advanced", "required": false, "type": 
"boolean", "javaType": "boolean", "deprecated": false, "autowired": false, 
"secret": false, "defaultValue": true, "description": "Whether autowiring is 
enabled. This is used for automatic autowiring options (the option must be 
marked as autowired) by looking up in the registry to find if there is a single 
instance of matching type, which t [...]
     "baseUri": { "kind": "property", "displayName": "Base Uri", "group": 
"advanced", "label": "advanced", "required": false, "type": "string", 
"javaType": "java.lang.String", "deprecated": false, "autowired": false, 
"secret": false, "defaultValue": "https:\/\/api.telegram.org", "description": 
"Can be used to set an alternative base URI, e.g. when you want to test the 
component against a mock Telegram API" },
-    "client": { "kind": "property", "displayName": "Client", "group": 
"advanced", "label": "advanced", "required": false, "type": "object", 
"javaType": "org.asynchttpclient.AsyncHttpClient", "deprecated": false, 
"autowired": false, "secret": false, "description": "To use a custom 
AsyncHttpClient" },
-    "clientConfig": { "kind": "property", "displayName": "Client Config", 
"group": "advanced", "label": "advanced", "required": false, "type": "object", 
"javaType": "org.asynchttpclient.AsyncHttpClientConfig", "deprecated": false, 
"autowired": false, "secret": false, "description": "To configure the 
AsyncHttpClient to use a custom com.ning.http.client.AsyncHttpClientConfig 
instance." },
+    "client": { "kind": "property", "displayName": "Client", "group": 
"advanced", "label": "advanced", "required": false, "type": "object", 
"javaType": "java.net.http.HttpClient", "deprecated": false, "autowired": 
false, "secret": false, "description": "To use a custom 
java.net.http.HttpClient" },
     "authorizationToken": { "kind": "property", "displayName": "Authorization 
Token", "group": "security", "label": "security", "required": false, "type": 
"string", "javaType": "java.lang.String", "deprecated": false, "autowired": 
false, "secret": true, "description": "The default Telegram authorization token 
to be used when the information is not provided in the endpoints." }
   },
   "headers": {
@@ -50,8 +49,6 @@
     "chatId": { "kind": "parameter", "displayName": "Chat Id", "group": 
"producer", "label": "producer", "required": false, "type": "string", 
"javaType": "java.lang.String", "deprecated": false, "autowired": false, 
"secret": false, "configurationClass": 
"org.apache.camel.component.telegram.TelegramConfiguration", 
"configurationField": "configuration", "description": "The identifier of the 
chat that will receive the produced messages. Chat ids can be first obtained 
from incoming messages  [...]
     "lazyStartProducer": { "kind": "parameter", "displayName": "Lazy Start 
Producer", "group": "producer (advanced)", "label": "producer,advanced", 
"required": false, "type": "boolean", "javaType": "boolean", "deprecated": 
false, "autowired": false, "secret": false, "defaultValue": false, 
"description": "Whether the producer should be started lazy (on the first 
message). By starting lazy you can use this to allow CamelContext and routes to 
startup in situations where a producer may other [...]
     "baseUri": { "kind": "parameter", "displayName": "Base Uri", "group": 
"advanced", "label": "advanced", "required": false, "type": "string", 
"javaType": "java.lang.String", "deprecated": false, "autowired": false, 
"secret": false, "configurationClass": 
"org.apache.camel.component.telegram.TelegramConfiguration", 
"configurationField": "configuration", "description": "Can be used to set an 
alternative base URI, e.g. when you want to test the component against a mock 
Telegram API" },
-    "bufferSize": { "kind": "parameter", "displayName": "Buffer Size", 
"group": "advanced", "label": "advanced", "required": false, "type": "integer", 
"javaType": "int", "deprecated": false, "autowired": false, "secret": false, 
"defaultValue": 4096, "description": "The initial in-memory buffer size used 
when transferring data between Camel and AHC Client." },
-    "clientConfig": { "kind": "parameter", "displayName": "Client Config", 
"group": "advanced", "label": "advanced", "required": false, "type": "object", 
"javaType": "org.asynchttpclient.AsyncHttpClientConfig", "deprecated": false, 
"autowired": false, "secret": false, "description": "To configure the 
AsyncHttpClient to use a custom com.ning.http.client.AsyncHttpClientConfig 
instance." },
     "proxyHost": { "kind": "parameter", "displayName": "Proxy Host", "group": 
"proxy", "label": "proxy", "required": false, "type": "string", "javaType": 
"java.lang.String", "deprecated": false, "autowired": false, "secret": false, 
"configurationClass": 
"org.apache.camel.component.telegram.TelegramConfiguration", 
"configurationField": "configuration", "description": "HTTP proxy host which 
could be used when sending out the message." },
     "proxyPort": { "kind": "parameter", "displayName": "Proxy Port", "group": 
"proxy", "label": "proxy", "required": false, "type": "integer", "javaType": 
"java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, 
"configurationClass": 
"org.apache.camel.component.telegram.TelegramConfiguration", 
"configurationField": "configuration", "description": "HTTP proxy port which 
could be used when sending out the message." },
     "proxyType": { "kind": "parameter", "displayName": "Proxy Type", "group": 
"proxy", "label": "proxy", "required": false, "type": "object", "javaType": 
"org.apache.camel.component.telegram.TelegramProxyType", "enum": [ "HTTP", 
"SOCKS4", "SOCKS5" ], "deprecated": false, "autowired": false, "secret": false, 
"defaultValue": "HTTP", "configurationClass": 
"org.apache.camel.component.telegram.TelegramConfiguration", 
"configurationField": "configuration", "description": "HTTP proxy type which 
[...]
diff --git a/components/camel-telegram/pom.xml 
b/components/camel-telegram/pom.xml
index 8aeca0ea89b..d0ece822fee 100644
--- a/components/camel-telegram/pom.xml
+++ b/components/camel-telegram/pom.xml
@@ -43,14 +43,14 @@
         </dependency>
 
         <dependency>
-            <groupId>org.asynchttpclient</groupId>
-            <artifactId>async-http-client</artifactId>
-            <version>${ahc-version}</version>
+            <groupId>com.fasterxml.jackson.core</groupId>
+            <artifactId>jackson-core</artifactId>
         </dependency>
 
         <dependency>
-            <groupId>com.fasterxml.jackson.core</groupId>
-            <artifactId>jackson-core</artifactId>
+            <groupId>org.apache.commons</groupId>
+            <artifactId>commons-lang3</artifactId>
+            <version>${commons-lang3-version}</version>
         </dependency>
 
         <dependency>
diff --git 
a/components/camel-telegram/src/generated/java/org/apache/camel/component/telegram/TelegramComponentConfigurer.java
 
b/components/camel-telegram/src/generated/java/org/apache/camel/component/telegram/TelegramComponentConfigurer.java
index 8bc85a78005..36927aa1e55 100644
--- 
a/components/camel-telegram/src/generated/java/org/apache/camel/component/telegram/TelegramComponentConfigurer.java
+++ 
b/components/camel-telegram/src/generated/java/org/apache/camel/component/telegram/TelegramComponentConfigurer.java
@@ -29,9 +29,7 @@ public class TelegramComponentConfigurer extends 
PropertyConfigurerSupport imple
         case "baseUri": target.setBaseUri(property(camelContext, 
java.lang.String.class, value)); return true;
         case "bridgeerrorhandler":
         case "bridgeErrorHandler": 
target.setBridgeErrorHandler(property(camelContext, boolean.class, value)); 
return true;
-        case "client": target.setClient(property(camelContext, 
org.asynchttpclient.AsyncHttpClient.class, value)); return true;
-        case "clientconfig":
-        case "clientConfig": target.setClientConfig(property(camelContext, 
org.asynchttpclient.AsyncHttpClientConfig.class, value)); return true;
+        case "client": target.setClient(property(camelContext, 
java.net.http.HttpClient.class, value)); return true;
         case "lazystartproducer":
         case "lazyStartProducer": 
target.setLazyStartProducer(property(camelContext, boolean.class, value)); 
return true;
         default: return false;
@@ -49,9 +47,7 @@ public class TelegramComponentConfigurer extends 
PropertyConfigurerSupport imple
         case "baseUri": return java.lang.String.class;
         case "bridgeerrorhandler":
         case "bridgeErrorHandler": return boolean.class;
-        case "client": return org.asynchttpclient.AsyncHttpClient.class;
-        case "clientconfig":
-        case "clientConfig": return 
org.asynchttpclient.AsyncHttpClientConfig.class;
+        case "client": return java.net.http.HttpClient.class;
         case "lazystartproducer":
         case "lazyStartProducer": return boolean.class;
         default: return null;
@@ -71,8 +67,6 @@ public class TelegramComponentConfigurer extends 
PropertyConfigurerSupport imple
         case "bridgeerrorhandler":
         case "bridgeErrorHandler": return target.isBridgeErrorHandler();
         case "client": return target.getClient();
-        case "clientconfig":
-        case "clientConfig": return target.getClientConfig();
         case "lazystartproducer":
         case "lazyStartProducer": return target.isLazyStartProducer();
         default: return null;
diff --git 
a/components/camel-telegram/src/generated/java/org/apache/camel/component/telegram/TelegramEndpointConfigurer.java
 
b/components/camel-telegram/src/generated/java/org/apache/camel/component/telegram/TelegramEndpointConfigurer.java
index 03ee7a4eeff..99d044f693f 100644
--- 
a/components/camel-telegram/src/generated/java/org/apache/camel/component/telegram/TelegramEndpointConfigurer.java
+++ 
b/components/camel-telegram/src/generated/java/org/apache/camel/component/telegram/TelegramEndpointConfigurer.java
@@ -37,8 +37,7 @@ public class TelegramEndpointConfigurer extends 
PropertyConfigurerSupport implem
         case "bufferSize": target.setBufferSize(property(camelContext, 
int.class, value)); return true;
         case "chatid":
         case "chatId": 
target.getConfiguration().setChatId(property(camelContext, 
java.lang.String.class, value)); return true;
-        case "clientconfig":
-        case "clientConfig": target.setClientConfig(property(camelContext, 
org.asynchttpclient.AsyncHttpClientConfig.class, value)); return true;
+        case "client": target.setClient(property(camelContext, 
java.net.http.HttpClient.class, value)); return true;
         case "delay": target.setDelay(property(camelContext, long.class, 
value)); return true;
         case "exceptionhandler":
         case "exceptionHandler": 
target.setExceptionHandler(property(camelContext, 
org.apache.camel.spi.ExceptionHandler.class, value)); return true;
@@ -99,8 +98,7 @@ public class TelegramEndpointConfigurer extends 
PropertyConfigurerSupport implem
         case "bufferSize": return int.class;
         case "chatid":
         case "chatId": return java.lang.String.class;
-        case "clientconfig":
-        case "clientConfig": return 
org.asynchttpclient.AsyncHttpClientConfig.class;
+        case "client": return java.net.http.HttpClient.class;
         case "delay": return long.class;
         case "exceptionhandler":
         case "exceptionHandler": return 
org.apache.camel.spi.ExceptionHandler.class;
@@ -162,8 +160,7 @@ public class TelegramEndpointConfigurer extends 
PropertyConfigurerSupport implem
         case "bufferSize": return target.getBufferSize();
         case "chatid":
         case "chatId": return target.getConfiguration().getChatId();
-        case "clientconfig":
-        case "clientConfig": return target.getClientConfig();
+        case "client": return target.getClient();
         case "delay": return target.getDelay();
         case "exceptionhandler":
         case "exceptionHandler": return target.getExceptionHandler();
diff --git 
a/components/camel-telegram/src/generated/java/org/apache/camel/component/telegram/TelegramEndpointUriFactory.java
 
b/components/camel-telegram/src/generated/java/org/apache/camel/component/telegram/TelegramEndpointUriFactory.java
index e6060c27620..ed6fed83247 100644
--- 
a/components/camel-telegram/src/generated/java/org/apache/camel/component/telegram/TelegramEndpointUriFactory.java
+++ 
b/components/camel-telegram/src/generated/java/org/apache/camel/component/telegram/TelegramEndpointUriFactory.java
@@ -30,7 +30,7 @@ public class TelegramEndpointUriFactory extends 
org.apache.camel.support.compone
         props.add("bridgeErrorHandler");
         props.add("bufferSize");
         props.add("chatId");
-        props.add("clientConfig");
+        props.add("client");
         props.add("delay");
         props.add("exceptionHandler");
         props.add("exchangePattern");
diff --git 
a/components/camel-telegram/src/generated/resources/org/apache/camel/component/telegram/telegram.json
 
b/components/camel-telegram/src/generated/resources/org/apache/camel/component/telegram/telegram.json
index b7f172aaf57..9bf97a82277 100644
--- 
a/components/camel-telegram/src/generated/resources/org/apache/camel/component/telegram/telegram.json
+++ 
b/components/camel-telegram/src/generated/resources/org/apache/camel/component/telegram/telegram.json
@@ -26,8 +26,7 @@
     "lazyStartProducer": { "kind": "property", "displayName": "Lazy Start 
Producer", "group": "producer", "label": "producer", "required": false, "type": 
"boolean", "javaType": "boolean", "deprecated": false, "autowired": false, 
"secret": false, "defaultValue": false, "description": "Whether the producer 
should be started lazy (on the first message). By starting lazy you can use 
this to allow CamelContext and routes to startup in situations where a producer 
may otherwise fail during star [...]
     "autowiredEnabled": { "kind": "property", "displayName": "Autowired 
Enabled", "group": "advanced", "label": "advanced", "required": false, "type": 
"boolean", "javaType": "boolean", "deprecated": false, "autowired": false, 
"secret": false, "defaultValue": true, "description": "Whether autowiring is 
enabled. This is used for automatic autowiring options (the option must be 
marked as autowired) by looking up in the registry to find if there is a single 
instance of matching type, which t [...]
     "baseUri": { "kind": "property", "displayName": "Base Uri", "group": 
"advanced", "label": "advanced", "required": false, "type": "string", 
"javaType": "java.lang.String", "deprecated": false, "autowired": false, 
"secret": false, "defaultValue": "https:\/\/api.telegram.org", "description": 
"Can be used to set an alternative base URI, e.g. when you want to test the 
component against a mock Telegram API" },
-    "client": { "kind": "property", "displayName": "Client", "group": 
"advanced", "label": "advanced", "required": false, "type": "object", 
"javaType": "org.asynchttpclient.AsyncHttpClient", "deprecated": false, 
"autowired": false, "secret": false, "description": "To use a custom 
AsyncHttpClient" },
-    "clientConfig": { "kind": "property", "displayName": "Client Config", 
"group": "advanced", "label": "advanced", "required": false, "type": "object", 
"javaType": "org.asynchttpclient.AsyncHttpClientConfig", "deprecated": false, 
"autowired": false, "secret": false, "description": "To configure the 
AsyncHttpClient to use a custom com.ning.http.client.AsyncHttpClientConfig 
instance." },
+    "client": { "kind": "property", "displayName": "Client", "group": 
"advanced", "label": "advanced", "required": false, "type": "object", 
"javaType": "java.net.http.HttpClient", "deprecated": false, "autowired": 
false, "secret": false, "description": "To use a custom 
java.net.http.HttpClient" },
     "authorizationToken": { "kind": "property", "displayName": "Authorization 
Token", "group": "security", "label": "security", "required": false, "type": 
"string", "javaType": "java.lang.String", "deprecated": false, "autowired": 
false, "secret": true, "description": "The default Telegram authorization token 
to be used when the information is not provided in the endpoints." }
   },
   "headers": {
@@ -50,8 +49,8 @@
     "chatId": { "kind": "parameter", "displayName": "Chat Id", "group": 
"producer", "label": "producer", "required": false, "type": "string", 
"javaType": "java.lang.String", "deprecated": false, "autowired": false, 
"secret": false, "configurationClass": 
"org.apache.camel.component.telegram.TelegramConfiguration", 
"configurationField": "configuration", "description": "The identifier of the 
chat that will receive the produced messages. Chat ids can be first obtained 
from incoming messages  [...]
     "lazyStartProducer": { "kind": "parameter", "displayName": "Lazy Start 
Producer", "group": "producer (advanced)", "label": "producer,advanced", 
"required": false, "type": "boolean", "javaType": "boolean", "deprecated": 
false, "autowired": false, "secret": false, "defaultValue": false, 
"description": "Whether the producer should be started lazy (on the first 
message). By starting lazy you can use this to allow CamelContext and routes to 
startup in situations where a producer may other [...]
     "baseUri": { "kind": "parameter", "displayName": "Base Uri", "group": 
"advanced", "label": "advanced", "required": false, "type": "string", 
"javaType": "java.lang.String", "deprecated": false, "autowired": false, 
"secret": false, "configurationClass": 
"org.apache.camel.component.telegram.TelegramConfiguration", 
"configurationField": "configuration", "description": "Can be used to set an 
alternative base URI, e.g. when you want to test the component against a mock 
Telegram API" },
-    "bufferSize": { "kind": "parameter", "displayName": "Buffer Size", 
"group": "advanced", "label": "advanced", "required": false, "type": "integer", 
"javaType": "int", "deprecated": false, "autowired": false, "secret": false, 
"defaultValue": 4096, "description": "The initial in-memory buffer size used 
when transferring data between Camel and AHC Client." },
-    "clientConfig": { "kind": "parameter", "displayName": "Client Config", 
"group": "advanced", "label": "advanced", "required": false, "type": "object", 
"javaType": "org.asynchttpclient.AsyncHttpClientConfig", "deprecated": false, 
"autowired": false, "secret": false, "description": "To configure the 
AsyncHttpClient to use a custom com.ning.http.client.AsyncHttpClientConfig 
instance." },
+    "bufferSize": { "kind": "parameter", "displayName": "Buffer Size", 
"group": "advanced", "label": "advanced", "required": false, "type": "integer", 
"javaType": "int", "deprecated": false, "autowired": false, "secret": false, 
"defaultValue": 1048576, "description": "The initial in-memory buffer size used 
when transferring data between Camel and AHC Client." },
+    "client": { "kind": "parameter", "displayName": "Client", "group": 
"advanced", "label": "advanced", "required": false, "type": "object", 
"javaType": "java.net.http.HttpClient", "deprecated": false, "autowired": 
false, "secret": false, "description": "To use a custom HttpClient" },
     "proxyHost": { "kind": "parameter", "displayName": "Proxy Host", "group": 
"proxy", "label": "proxy", "required": false, "type": "string", "javaType": 
"java.lang.String", "deprecated": false, "autowired": false, "secret": false, 
"configurationClass": 
"org.apache.camel.component.telegram.TelegramConfiguration", 
"configurationField": "configuration", "description": "HTTP proxy host which 
could be used when sending out the message." },
     "proxyPort": { "kind": "parameter", "displayName": "Proxy Port", "group": 
"proxy", "label": "proxy", "required": false, "type": "integer", "javaType": 
"java.lang.Integer", "deprecated": false, "autowired": false, "secret": false, 
"configurationClass": 
"org.apache.camel.component.telegram.TelegramConfiguration", 
"configurationField": "configuration", "description": "HTTP proxy port which 
could be used when sending out the message." },
     "proxyType": { "kind": "parameter", "displayName": "Proxy Type", "group": 
"proxy", "label": "proxy", "required": false, "type": "object", "javaType": 
"org.apache.camel.component.telegram.TelegramProxyType", "enum": [ "HTTP", 
"SOCKS4", "SOCKS5" ], "deprecated": false, "autowired": false, "secret": false, 
"defaultValue": "HTTP", "configurationClass": 
"org.apache.camel.component.telegram.TelegramConfiguration", 
"configurationField": "configuration", "description": "HTTP proxy type which 
[...]
diff --git 
a/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/TelegramComponent.java
 
b/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/TelegramComponent.java
index 51e4edd14b9..f921982190a 100644
--- 
a/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/TelegramComponent.java
+++ 
b/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/TelegramComponent.java
@@ -16,14 +16,13 @@
  */
 package org.apache.camel.component.telegram;
 
+import java.net.http.HttpClient;
 import java.util.Map;
 
 import org.apache.camel.Endpoint;
 import org.apache.camel.spi.Metadata;
 import org.apache.camel.spi.annotations.Component;
 import org.apache.camel.support.DefaultComponent;
-import org.asynchttpclient.AsyncHttpClient;
-import org.asynchttpclient.AsyncHttpClientConfig;
 
 @Component("telegram")
 public class TelegramComponent extends DefaultComponent {
@@ -33,9 +32,7 @@ public class TelegramComponent extends DefaultComponent {
     private String authorizationToken;
 
     @Metadata(label = "advanced")
-    private AsyncHttpClient client;
-    @Metadata(label = "advanced")
-    private AsyncHttpClientConfig clientConfig;
+    private HttpClient client;
 
     @Metadata(label = "advanced", defaultValue = BOT_API_DEFAULT_URL,
               description = "Can be used to set an alternative base URI, e.g. 
when you want to test the component against a mock Telegram API")
@@ -61,7 +58,7 @@ public class TelegramComponent extends DefaultComponent {
             configuration.setBaseUri(baseUri);
         }
 
-        TelegramEndpoint endpoint = new TelegramEndpoint(uri, this, 
configuration, client, clientConfig);
+        TelegramEndpoint endpoint = new TelegramEndpoint(uri, this, 
configuration, client);
         configuration.setAuthorizationToken(authorizationToken);
         setProperties(endpoint, parameters);
 
@@ -84,28 +81,17 @@ public class TelegramComponent extends DefaultComponent {
         this.authorizationToken = authorizationToken;
     }
 
-    public AsyncHttpClient getClient() {
+    public HttpClient getClient() {
         return client;
     }
 
     /**
-     * To use a custom {@link AsyncHttpClient}
+     * To use a custom {@link java.net.http.HttpClient}
      */
-    public void setClient(AsyncHttpClient client) {
+    public void setClient(HttpClient client) {
         this.client = client;
     }
 
-    public AsyncHttpClientConfig getClientConfig() {
-        return clientConfig;
-    }
-
-    /**
-     * To configure the AsyncHttpClient to use a custom 
com.ning.http.client.AsyncHttpClientConfig instance.
-     */
-    public void setClientConfig(AsyncHttpClientConfig clientConfig) {
-        this.clientConfig = clientConfig;
-    }
-
     public String getBaseUri() {
         return baseUri;
     }
diff --git 
a/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/TelegramEndpoint.java
 
b/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/TelegramEndpoint.java
index 3c049efe52b..d7caad45755 100644
--- 
a/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/TelegramEndpoint.java
+++ 
b/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/TelegramEndpoint.java
@@ -16,6 +16,9 @@
  */
 package org.apache.camel.component.telegram;
 
+import java.net.InetSocketAddress;
+import java.net.ProxySelector;
+import java.net.http.HttpClient;
 import java.util.Collections;
 import java.util.List;
 
@@ -32,12 +35,6 @@ import org.apache.camel.spi.UriEndpoint;
 import org.apache.camel.spi.UriParam;
 import org.apache.camel.support.ScheduledPollEndpoint;
 import org.apache.camel.util.ObjectHelper;
-import org.asynchttpclient.AsyncHttpClient;
-import org.asynchttpclient.AsyncHttpClientConfig;
-import org.asynchttpclient.DefaultAsyncHttpClient;
-import org.asynchttpclient.DefaultAsyncHttpClientConfig;
-import org.asynchttpclient.proxy.ProxyServer;
-import org.asynchttpclient.proxy.ProxyType;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
@@ -52,34 +49,29 @@ public class TelegramEndpoint extends ScheduledPollEndpoint 
implements WebhookCa
     @UriParam
     private TelegramConfiguration configuration;
     @UriParam(label = "advanced")
-    private AsyncHttpClientConfig clientConfig;
-    @UriParam(label = "advanced", defaultValue = "" + (4 * 1024))
-    private int bufferSize = 4 * 1024;
+    private HttpClient client;
+    @UriParam(label = "advanced", defaultValue = "" + (1024 * 1024))
+    private int bufferSize = 1024 * 1024;
 
     private WebhookConfiguration webhookConfiguration;
 
-    private AsyncHttpClient client;
     private TelegramService telegramService;
 
     public TelegramEndpoint(
                             String endpointUri,
                             Component component,
                             TelegramConfiguration configuration,
-                            AsyncHttpClient client,
-                            AsyncHttpClientConfig clientConfig) {
+                            HttpClient client) {
         super(endpointUri, component);
         this.configuration = configuration;
         this.client = client;
-        this.clientConfig = clientConfig;
     }
 
     @Override
     protected void doStart() throws Exception {
         super.doStart();
         if (client == null) {
-            DefaultAsyncHttpClientConfig.Builder builder = clientConfig != null
-                    ? new DefaultAsyncHttpClientConfig.Builder(clientConfig)
-                    : new DefaultAsyncHttpClientConfig.Builder();
+            HttpClient.Builder builder = HttpClient.newBuilder();
 
             if (configuration != null && 
ObjectHelper.isNotEmpty(configuration.getProxyHost())
                     && ObjectHelper.isNotEmpty(configuration.getProxyPort())) {
@@ -87,32 +79,21 @@ public class TelegramEndpoint extends ScheduledPollEndpoint 
implements WebhookCa
                         configuration.getProxyType(),
                         configuration.getProxyHost(),
                         configuration.getProxyPort());
-                builder.setProxyServer(
-                        new ProxyServer.Builder(configuration.getProxyHost(), 
configuration.getProxyPort())
-                                
.setProxyType(getProxyType(configuration.getProxyType())).build());
+
+                builder.proxy(
+                        ProxySelector.of(new 
InetSocketAddress(configuration.getProxyHost(), configuration.getProxyPort())));
             }
-            final AsyncHttpClientConfig config = builder.build();
-            client = new DefaultAsyncHttpClient(config);
+
+            client = builder.build();
         }
         if (telegramService == null) {
             telegramService = new TelegramServiceRestBotAPIAdapter(
                     client,
-                    bufferSize,
                     configuration.getBaseUri(),
-                    configuration.getAuthorizationToken());
+                    configuration.getAuthorizationToken(), bufferSize);
         }
     }
 
-    @Override
-    protected void doStop() throws Exception {
-        super.doStop();
-        // ensure client is closed when stopping
-        if (client != null && !client.isClosed()) {
-            client.close();
-        }
-        client = null;
-    }
-
     @Override
     public Producer createProducer() throws Exception {
         return new TelegramProducer(this);
@@ -170,28 +151,17 @@ public class TelegramEndpoint extends 
ScheduledPollEndpoint implements WebhookCa
         return telegramService;
     }
 
-    public AsyncHttpClient getClient() {
+    public HttpClient getClient() {
         return client;
     }
 
     /**
-     * To use a custom {@link AsyncHttpClient}
+     * To use a custom {@link HttpClient}
      */
-    public void setClient(AsyncHttpClient client) {
+    public void setClient(HttpClient client) {
         this.client = client;
     }
 
-    public AsyncHttpClientConfig getClientConfig() {
-        return clientConfig;
-    }
-
-    /**
-     * To configure the AsyncHttpClient to use a custom 
com.ning.http.client.AsyncHttpClientConfig instance.
-     */
-    public void setClientConfig(AsyncHttpClientConfig clientConfig) {
-        this.clientConfig = clientConfig;
-    }
-
     public int getBufferSize() {
         return bufferSize;
     }
@@ -202,21 +172,4 @@ public class TelegramEndpoint extends 
ScheduledPollEndpoint implements WebhookCa
     public void setBufferSize(int bufferSize) {
         this.bufferSize = bufferSize;
     }
-
-    private ProxyType getProxyType(TelegramProxyType type) {
-        if (type == null) {
-            return ProxyType.HTTP;
-        }
-
-        switch (type) {
-            case HTTP:
-                return ProxyType.HTTP;
-            case SOCKS4:
-                return ProxyType.SOCKS_V4;
-            case SOCKS5:
-                return ProxyType.SOCKS_V5;
-            default:
-                throw new IllegalArgumentException("Unknown proxy type: " + 
type);
-        }
-    }
 }
diff --git 
a/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/OutgoingMessageHandler.java
 
b/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/OutgoingMessageHandler.java
new file mode 100644
index 00000000000..0d227168c8e
--- /dev/null
+++ 
b/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/OutgoingMessageHandler.java
@@ -0,0 +1,117 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.camel.component.telegram.service;
+
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
+import java.util.concurrent.ExecutionException;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.camel.AsyncCallback;
+import org.apache.camel.Exchange;
+import org.apache.camel.component.telegram.model.MessageResult;
+import org.apache.camel.component.telegram.model.OutgoingMessage;
+
+abstract class OutgoingMessageHandler<T extends OutgoingMessage> {
+    protected final ObjectMapper mapper;
+    protected final TelegramBodyPublisher bodyPublisher;
+
+    private final HttpClient client;
+    private final String contentType;
+    private final String uri;
+    private final Class<? extends MessageResult> resultClass;
+
+    public OutgoingMessageHandler(HttpClient client, ObjectMapper mapper, 
String uri,
+                                  String contentType, Class<? extends 
MessageResult> resultClass, int bufferSize) {
+        this.client = client;
+        this.mapper = mapper;
+        this.uri = uri;
+        this.contentType = contentType;
+        this.resultClass = resultClass;
+
+        bodyPublisher = new TelegramBodyPublisher(bufferSize);
+    }
+
+    public void sendMessage(Exchange exchange, AsyncCallback callback, T 
message) {
+        HttpRequest.Builder builder = 
HttpRequest.newBuilder().uri(URI.create(uri));
+
+        addBody(message);
+
+        if (bodyPublisher.getBodyParts().size() > 1) {
+            builder.setHeader("Content-type", "multipart/form-data; 
boundary=\"" + bodyPublisher.getBoundary() + "\"");
+        } else {
+            if (contentType != null) {
+                builder.setHeader("Content-type", contentType);
+            }
+        }
+
+        builder.setHeader("Accept", "application/json");
+
+        builder.POST(bodyPublisher.newPublisher());
+        try {
+            final TelegramAsyncHandler telegramAsyncHandler
+                    = new TelegramAsyncHandler(uri, resultClass, mapper, 
exchange, callback);
+
+            client.sendAsync(builder.build(), 
HttpResponse.BodyHandlers.ofInputStream())
+                    
.thenApply(telegramAsyncHandler::handleCompressedResponse).get();
+        } catch (InterruptedException e) {
+            Thread.currentThread().interrupt();
+            throw new RuntimeException(e);
+        } catch (ExecutionException e) {
+            throw new RuntimeException(e);
+        }
+    }
+
+    protected abstract void addBody(T message);
+
+    protected void fillCommonMediaParts(OutgoingMessage message) {
+
+        buildTextPart("chat_id", message.getChatId());
+        buildTextPart("reply_to_message_id", message.getReplyToMessageId());
+        buildTextPart("disable_notification", 
message.getDisableNotification());
+    }
+
+    protected <T> void buildTextPart(String name, T value) {
+        buildTextPart(bodyPublisher, name, value);
+    }
+
+    static <T> void buildTextPart(TelegramBodyPublisher bodyPublisher, String 
name, T value) {
+        if (value != null) {
+            TelegramBodyPublisher.MultilineBodyPart<T> bodyPart
+                    = new TelegramBodyPublisher.MultilineBodyPart<>(name, 
value, "text/plain");
+
+            bodyPublisher.addBodyPart(bodyPart);
+        }
+    }
+
+    protected void buildMediaPart(String name, String fileNameWithExtension, 
byte[] value) {
+        buildMediaPart(bodyPublisher, name, fileNameWithExtension, value);
+    }
+
+    void buildMediaPart(TelegramBodyPublisher bodyPublisher, String name, 
String fileNameWithExtension, byte[] value) {
+        TelegramBodyPublisher.MultilineBodyPart<byte[]> bodyPart
+                = new TelegramBodyPublisher.MultilineBodyPart<>(name, value, 
"application/octet-stream", null);
+
+        bodyPart.addHeader("filename", fileNameWithExtension);
+
+        bodyPublisher.addBodyPart(bodyPart);
+    }
+
+}
diff --git 
a/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/TelegramAsyncHandler.java
 
b/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/TelegramAsyncHandler.java
new file mode 100644
index 00000000000..3b180356d1a
--- /dev/null
+++ 
b/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/TelegramAsyncHandler.java
@@ -0,0 +1,121 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.camel.component.telegram.service;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.io.UnsupportedEncodingException;
+import java.net.http.HttpResponse;
+import java.nio.charset.StandardCharsets;
+
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.camel.AsyncCallback;
+import org.apache.camel.Exchange;
+import org.apache.camel.RuntimeCamelException;
+import org.apache.camel.component.telegram.model.MessageResult;
+import org.apache.camel.support.GZIPHelper;
+import org.apache.camel.util.IOHelper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class TelegramAsyncHandler {
+    private static final Logger LOG = 
LoggerFactory.getLogger(TelegramAsyncHandler.class);
+
+    private final String uri;
+    private final Class<? extends MessageResult> resultClass;
+    private final ObjectMapper mapper;
+    private final Exchange exchange;
+    private final AsyncCallback callback;
+
+    TelegramAsyncHandler(String uri, Class<? extends MessageResult> 
resultClass, ObjectMapper mapper, Exchange exchange,
+                         AsyncCallback callback) {
+        this.uri = uri;
+        this.resultClass = resultClass;
+        this.mapper = mapper;
+        this.exchange = exchange;
+        this.callback = callback;
+    }
+
+    public static String extractCharset(String line, String defaultValue) {
+        if (line == null) {
+            return defaultValue;
+        }
+
+        final String[] parts = line.split(" ");
+        String charsetInfo = "";
+
+        for (var part : parts) {
+            if (part.startsWith("charset")) {
+                charsetInfo = part;
+                break;
+            }
+        }
+
+        final String charset = charsetInfo.replace("charset=", 
"").replace(";", "");
+
+        if (charset.isBlank()) {
+            return defaultValue;
+        }
+
+        return charset;
+
+    }
+
+    public Object handleCompressedResponse(HttpResponse<InputStream> response) 
{
+        Object result;
+        final boolean success = response.statusCode() >= 200 && 
response.statusCode() < 300;
+
+        String charsetInfo = 
response.headers().firstValue("Content-Type").orElse(null);
+        final String charset = extractCharset(charsetInfo, 
StandardCharsets.UTF_8.name());
+
+        final String contentEncoding = 
response.headers().firstValue("Content-Encoding").orElse(null);
+
+        try (InputStream is = GZIPHelper.uncompressGzip(contentEncoding, 
response.body());
+             Reader r = new InputStreamReader(is, charset)) {
+
+            if (LOG.isDebugEnabled()) {
+                response.headers().map().forEach((key, value) -> 
LOG.debug("header {}={}", key, value));
+            }
+
+            if (success) {
+                if (LOG.isTraceEnabled()) {
+                    final String body = IOHelper.toString(r);
+                    LOG.trace("Received body for {}: {}", uri, body);
+                    result = mapper.readValue(body, resultClass);
+                } else {
+                    result = mapper.readValue(r, resultClass);
+                }
+
+                exchange.getMessage().setBody(result);
+            } else {
+                throw new RuntimeCamelException(
+                        uri + " responded: " + response.statusCode() + 
IOHelper.toString(r));
+            }
+        } catch (UnsupportedEncodingException ex) {
+            throw new RuntimeException(ex);
+        } catch (IOException ex) {
+            throw new RuntimeCamelException("Could not parse the response from 
" + uri, ex);
+        } finally {
+            callback.done(false);
+        }
+
+        return exchange;
+    }
+}
diff --git 
a/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/TelegramBodyPublisher.java
 
b/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/TelegramBodyPublisher.java
new file mode 100644
index 00000000000..9590bbcd0b5
--- /dev/null
+++ 
b/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/TelegramBodyPublisher.java
@@ -0,0 +1,163 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.camel.component.telegram.service;
+
+import java.net.http.HttpRequest;
+import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
+import java.util.LinkedHashMap;
+import java.util.LinkedHashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.stream.Collectors;
+
+import org.apache.commons.lang3.RandomStringUtils;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class TelegramBodyPublisher {
+    private static final Logger LOG = 
LoggerFactory.getLogger(TelegramBodyPublisher.class);
+
+    private final Set<TelegramBodyPart> bodyParts = new LinkedHashSet<>();
+    private final String boundary = RandomStringUtils.randomAlphanumeric(12);
+    private final int bufferSize;
+
+    public TelegramBodyPublisher(int bufferSize) {
+        this.bufferSize = bufferSize;
+    }
+
+    public interface TelegramBodyPart {
+        void serialize(ByteBuffer buffer, String separator);
+    }
+
+    public static class SingleBodyPart implements TelegramBodyPart {
+        private final String body;
+
+        public SingleBodyPart(String body) {
+            this.body = body;
+        }
+
+        @Override
+        public void serialize(ByteBuffer buffer, String boundary) {
+            buffer.put(body.getBytes());
+        }
+
+    }
+
+    public static class MultilineBodyPart<T> implements TelegramBodyPart {
+        private final String contentType;
+        private final Map<String, Object> headers = new LinkedHashMap<>();
+        private final T body;
+        private final String charset;
+
+        public MultilineBodyPart(String name, T body, String contentType) {
+            this(name, body, contentType, StandardCharsets.UTF_8.name());
+        }
+
+        public MultilineBodyPart(String name, T body, String contentType, 
String charset) {
+            this.body = body;
+            this.contentType = contentType;
+            this.charset = charset;
+
+            addHeader("name", name);
+        }
+
+        public void addHeader(String key, String value) {
+            headers.put(key, value);
+        }
+
+        @Override
+        public void serialize(ByteBuffer buffer, String boundary) {
+            String partHeader = "--" + boundary + "\r\n";
+            buffer.put(partHeader.getBytes());
+
+            String contentDisposition = "Content-Disposition: form-data; ";
+
+            // this creates the key-pair part of the content disposition 
(i.e.: name="myName"; file="myFile.doc")
+            contentDisposition += headers.entrySet()
+                    .stream()
+                    .map(e -> e.getKey().toLowerCase() + "=\"" + 
e.getValue().toString() + "\"")
+                    .collect(Collectors.joining("; ")) + "\r\n";
+            buffer.put(contentDisposition.getBytes());
+
+            String contentTypePart = "Content-Type: " + contentType;
+            if (charset != null) {
+                contentTypePart += "; charset=" + charset;
+            }
+            contentTypePart += "\r\n\r\n";
+
+            buffer.put(contentTypePart.getBytes());
+
+            if (body instanceof String) {
+                buffer.put(((String) body).getBytes());
+            } else {
+                if (body instanceof byte[]) {
+                    buffer.put((byte[]) body);
+                }
+            }
+
+            buffer.put("\r\n".getBytes());
+        }
+
+        public static void serializeEnd(ByteBuffer buffer, String separator) {
+            String partHeader = "--" + separator + "--\r\n";
+            buffer.put(partHeader.getBytes());
+        }
+    }
+
+    public void addBodyPart(TelegramBodyPart bodyPart) {
+        bodyParts.add(bodyPart);
+    }
+
+    public HttpRequest.BodyPublisher newPublisher() {
+        ByteBuffer buffer = ByteBuffer.allocate(bufferSize);
+        LOG.debug("Allocating {} bytes", bufferSize);
+        serialize(bodyParts, buffer, boundary);
+        int written = buffer.capacity() - buffer.remaining();
+
+        return HttpRequest.BodyPublishers.ofByteArray(buffer.array(), 0, 
written);
+    }
+
+    static void serialize(Set<TelegramBodyPart> bodyParts, ByteBuffer buffer, 
String separator) {
+        try {
+            boolean isMultiBody = false;
+
+            for (TelegramBodyPart bodyPart : bodyParts) {
+                bodyPart.serialize(buffer, separator);
+                if (bodyPart instanceof MultilineBodyPart) {
+                    isMultiBody = true;
+                }
+            }
+
+            if (isMultiBody) {
+                MultilineBodyPart.serializeEnd(buffer, separator);
+            }
+
+        } finally {
+            bodyParts.clear();
+        }
+    }
+
+    Set<TelegramBodyPart> getBodyParts() {
+        return bodyParts;
+    }
+
+    String getBoundary() {
+        return boundary;
+    }
+}
diff --git 
a/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/TelegramServiceRestBotAPIAdapter.java
 
b/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/TelegramServiceRestBotAPIAdapter.java
index 4a1934e1f3f..2436b59f67a 100644
--- 
a/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/TelegramServiceRestBotAPIAdapter.java
+++ 
b/components/camel-telegram/src/main/java/org/apache/camel/component/telegram/service/TelegramServiceRestBotAPIAdapter.java
@@ -16,21 +16,18 @@
  */
 package org.apache.camel.component.telegram.service;
 
-import java.io.ByteArrayInputStream;
-import java.io.ByteArrayOutputStream;
 import java.io.IOException;
-import java.io.InputStream;
-import java.io.InputStreamReader;
-import java.io.Reader;
-import java.nio.charset.Charset;
-import java.nio.charset.StandardCharsets;
+import java.io.UnsupportedEncodingException;
+import java.net.URI;
+import java.net.URISyntaxException;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
 import java.util.HashMap;
 import java.util.Map;
-import java.util.concurrent.ExecutionException;
 
 import com.fasterxml.jackson.core.JsonProcessingException;
 import com.fasterxml.jackson.databind.ObjectMapper;
-import io.netty.handler.codec.http.HttpHeaders;
 import org.apache.camel.AsyncCallback;
 import org.apache.camel.Exchange;
 import org.apache.camel.RuntimeCamelException;
@@ -61,23 +58,10 @@ import 
org.apache.camel.component.telegram.model.SendVenueMessage;
 import 
org.apache.camel.component.telegram.model.StopMessageLiveLocationMessage;
 import org.apache.camel.component.telegram.model.UpdateResult;
 import org.apache.camel.component.telegram.model.WebhookResult;
-import org.apache.camel.support.GZIPHelper;
-import org.apache.camel.util.IOHelper;
-import org.asynchttpclient.AsyncHandler;
-import org.asynchttpclient.AsyncHttpClient;
-import org.asynchttpclient.HttpResponseBodyPart;
-import org.asynchttpclient.HttpResponseStatus;
-import org.asynchttpclient.Request;
-import org.asynchttpclient.RequestBuilder;
-import org.asynchttpclient.Response;
-import org.asynchttpclient.request.body.multipart.ByteArrayPart;
-import org.asynchttpclient.request.body.multipart.StringPart;
+import org.apache.camel.util.URISupport;
 import org.slf4j.Logger;
 import org.slf4j.LoggerFactory;
 
-import static 
org.asynchttpclient.util.HttpUtils.extractContentTypeCharsetAttribute;
-import static org.asynchttpclient.util.MiscUtils.withDefault;
-
 /**
  * Adapts the {@code RestBotAPI} to the {@code TelegramService} interface.
  */
@@ -85,94 +69,104 @@ public class TelegramServiceRestBotAPIAdapter implements 
TelegramService {
     private static final Logger LOG = 
LoggerFactory.getLogger(TelegramServiceRestBotAPIAdapter.class);
 
     private final Map<Class<?>, OutgoingMessageHandler<?>> handlers;
-    private final AsyncHttpClient asyncHttpClient;
+    private final HttpClient client;
+
+    @Deprecated
     private final ObjectMapper mapper;
     private final String baseUri;
 
-    public TelegramServiceRestBotAPIAdapter(AsyncHttpClient asyncHttpClient, 
int bufferSize, String telegramBaseUri,
-                                            String authorizationToken) {
-        this.asyncHttpClient = asyncHttpClient;
+    public TelegramServiceRestBotAPIAdapter(HttpClient client, String 
telegramBaseUri,
+                                            String authorizationToken, int 
bufferSize) {
+        this.client = client;
+
         this.baseUri = telegramBaseUri + "/bot" + authorizationToken;
         this.mapper = new ObjectMapper();
         final Map<Class<?>, OutgoingMessageHandler<?>> m = new HashMap<>();
-        m.put(OutgoingTextMessage.class,
-                new OutgoingPlainMessageHandler(asyncHttpClient, bufferSize, 
mapper, baseUri + "/sendMessage"));
-        m.put(OutgoingPhotoMessage.class, new 
OutgoingPhotoMessageHandler(asyncHttpClient, bufferSize, mapper, baseUri));
-        m.put(OutgoingAudioMessage.class, new 
OutgoingAudioMessageHandler(asyncHttpClient, bufferSize, mapper, baseUri));
-        m.put(OutgoingVideoMessage.class, new 
OutgoingVideoMessageHandler(asyncHttpClient, bufferSize, mapper, baseUri));
-        m.put(OutgoingDocumentMessage.class, new 
OutgoingDocumentMessageHandler(asyncHttpClient, bufferSize, mapper, baseUri));
-        m.put(OutgoingStickerMessage.class, new 
OutgoingStickerMessageHandler(asyncHttpClient, bufferSize, mapper, baseUri));
-        m.put(OutgoingGameMessage.class,
-                new OutgoingPlainMessageHandler(asyncHttpClient, bufferSize, 
mapper, baseUri + "/sendGame"));
+        m.put(OutgoingTextMessage.class, new 
OutgoingPlainMessageHandler(client, mapper, baseUri + "/sendMessage", 
bufferSize));
+        m.put(OutgoingPhotoMessage.class, new 
OutgoingPhotoMessageHandler(client, mapper, baseUri, bufferSize));
+        m.put(OutgoingAudioMessage.class, new 
OutgoingAudioMessageHandler(client, mapper, baseUri, bufferSize));
+        m.put(OutgoingVideoMessage.class, new 
OutgoingVideoMessageHandler(client, mapper, baseUri, bufferSize));
+        m.put(OutgoingDocumentMessage.class, new 
OutgoingDocumentMessageHandler(client, mapper, baseUri, bufferSize));
+        m.put(OutgoingStickerMessage.class, new 
OutgoingStickerMessageHandler(client, mapper, baseUri, bufferSize));
+        m.put(OutgoingGameMessage.class, new 
OutgoingPlainMessageHandler(client, mapper, baseUri + "/sendGame", bufferSize));
         m.put(SendLocationMessage.class,
-                new OutgoingPlainMessageHandler(asyncHttpClient, bufferSize, 
mapper, baseUri + "/sendLocation"));
+                new OutgoingPlainMessageHandler(client, mapper, baseUri + 
"/sendLocation", bufferSize));
         m.put(EditMessageLiveLocationMessage.class,
-                new OutgoingPlainMessageHandler(asyncHttpClient, bufferSize, 
mapper, baseUri + "/editMessageLiveLocation"));
+                new OutgoingPlainMessageHandler(client, mapper, baseUri + 
"/editMessageLiveLocation", bufferSize));
         m.put(StopMessageLiveLocationMessage.class,
-                new OutgoingPlainMessageHandler(asyncHttpClient, bufferSize, 
mapper, baseUri + "/stopMessageLiveLocation"));
+                new OutgoingPlainMessageHandler(client, mapper, baseUri + 
"/stopMessageLiveLocation", bufferSize));
         m.put(SendVenueMessage.class,
-                new OutgoingPlainMessageHandler(asyncHttpClient, bufferSize, 
mapper, baseUri + "/sendVenue"));
+                new OutgoingPlainMessageHandler(client, mapper, baseUri + 
"/sendVenue", bufferSize));
         m.put(EditMessageTextMessage.class,
-                new OutgoingPlainMessageHandler(asyncHttpClient, bufferSize, 
mapper, baseUri + "/editMessageText"));
+                new OutgoingPlainMessageHandler(client, mapper, baseUri + 
"/editMessageText", bufferSize));
         m.put(EditMessageCaptionMessage.class,
-                new OutgoingPlainMessageHandler(asyncHttpClient, bufferSize, 
mapper, baseUri + "/editMessageCaption"));
+                new OutgoingPlainMessageHandler(client, mapper, baseUri + 
"/editMessageCaption", bufferSize));
         m.put(EditMessageMediaMessage.class,
-                new OutgoingPlainMessageHandler(asyncHttpClient, bufferSize, 
mapper, baseUri + "/editMessageMedia"));
+                new OutgoingPlainMessageHandler(client, mapper, baseUri + 
"/editMessageMedia", bufferSize));
         m.put(EditMessageDelete.class, new OutgoingPlainMessageHandler(
-                asyncHttpClient, bufferSize, mapper, baseUri + 
"/deleteMessage"));
+                client,
+                mapper, baseUri + "/deleteMessage", bufferSize));
         m.put(EditMessageReplyMarkupMessage.class,
-                new OutgoingPlainMessageHandler(asyncHttpClient, bufferSize, 
mapper, baseUri + "/editMessageReplyMarkup"));
+                new OutgoingPlainMessageHandler(client, mapper, baseUri + 
"/editMessageReplyMarkup", bufferSize));
         m.put(OutgoingCallbackQueryMessage.class, new 
OutgoingPlainMessageHandler(
-                asyncHttpClient, bufferSize, mapper, baseUri + 
"/answerCallbackQuery"));
+                client,
+                mapper, baseUri + "/answerCallbackQuery", bufferSize));
         m.put(OutgoingSetGameScoreMessage.class,
-                new OutgoingPlainMessageHandler(asyncHttpClient, bufferSize, 
mapper, baseUri + "/setGameScore"));
+                new OutgoingPlainMessageHandler(client, mapper, baseUri + 
"/setGameScore", bufferSize));
         m.put(OutgoingGetGameHighScoresMessage.class, new 
OutgoingPlainMessageHandler(
-                asyncHttpClient, bufferSize, mapper, baseUri + 
"/getGameHighScores", MessageResultGameScores.class));
+                client,
+                mapper, baseUri + "/getGameHighScores", 
MessageResultGameScores.class, bufferSize));
         m.put(OutgoingAnswerInlineQuery.class, new OutgoingPlainMessageHandler(
-                asyncHttpClient, bufferSize, mapper, baseUri + 
"/answerInlineQuery"));
+                client,
+                mapper, baseUri + "/answerInlineQuery", bufferSize));
         this.handlers = m;
     }
 
     @Override
     public UpdateResult getUpdates(Long offset, Integer limit, Integer 
timeoutSeconds) {
-        final String uri = baseUri + "/getUpdates";
-        final RequestBuilder request = new RequestBuilder("GET")
-                .setUrl(uri);
+        Map<String, Object> parameters = new HashMap<>();
         if (offset != null) {
-            request.addQueryParam("offset", String.valueOf(offset));
+            parameters.put("offset", String.valueOf(offset));
         }
         if (limit != null) {
-            request.addQueryParam("limit", String.valueOf(limit));
+            parameters.put("limit", String.valueOf(limit));
         }
         if (timeoutSeconds != null) {
-            request.addQueryParam("timeout", String.valueOf(timeoutSeconds));
+            parameters.put("timeout", String.valueOf(timeoutSeconds));
+        }
+
+        try {
+            String uri = URISupport.appendParametersToURI(baseUri + 
"/getUpdates", parameters);
+
+            final HttpRequest request = 
HttpRequest.newBuilder().uri(URI.create(uri)).GET().build();
+            return sendSyncRequest(request, UpdateResult.class);
+        } catch (URISyntaxException | UnsupportedEncodingException e) {
+            throw new RuntimeException(e);
         }
-        return sendSyncRequest(request.build(), UpdateResult.class);
     }
 
-    <T> T sendSyncRequest(final Request request, Class<T> resultType) {
+    <T> T sendSyncRequest(final HttpRequest request, Class<T> resultType) {
         try {
-            final Response response = 
asyncHttpClient.executeRequest(request).get();
-            int code = response.getStatusCode();
+            final HttpResponse<String> response = client.send(request, 
HttpResponse.BodyHandlers.ofString());
+
+            int code = response.statusCode();
             if (code >= 200 && code < 300) {
-                try {
-                    final String responseBody = response.getResponseBody();
-                    if (LOG.isTraceEnabled()) {
-                        LOG.trace("Received body for {} {}: {}", 
request.getMethod(), request.getUrl(), responseBody);
-                    }
-                    return mapper.readValue(responseBody, resultType);
-                } catch (IOException e) {
-                    throw new RuntimeCamelException(
-                            "Could not parse the response from " + 
request.getMethod() + " " + request.getUrl(), e);
+                final String responseBody = response.body();
+                if (LOG.isTraceEnabled()) {
+                    LOG.trace("Received body for {} {}: {}", request.method(), 
request.uri(), responseBody);
                 }
+                return mapper.readValue(responseBody, resultType);
             } else {
                 throw new TelegramException(
-                        "Could not " + request.getMethod() + " " + 
request.getUrl() + ": " + response.getStatusCode() + " "
-                                            + response.getStatusText(),
-                        response.getStatusCode(), response.getStatusText());
+                        "Could not " + request.method() + " " + request.uri() 
+ ": " + response.statusCode() + " "
+                                            + response.body(),
+                        response.statusCode(), response.body());
             }
-        } catch (ExecutionException e) {
-            throw new RuntimeCamelException("Could not request " + 
request.getMethod() + " " + request.getUrl(), e);
+        } catch (JsonProcessingException e) {
+            throw new RuntimeCamelException(
+                    "Could not parse the response from " + request.method() + 
" " + request.uri(), e);
+        } catch (IOException e) {
+            throw new RuntimeCamelException("Could not request " + 
request.method() + " " + request.uri(), e);
         } catch (InterruptedException e) {
             Thread.currentThread().interrupt();
             throw new RuntimeCamelException(e);
@@ -182,8 +176,9 @@ public class TelegramServiceRestBotAPIAdapter implements 
TelegramService {
     @Override
     public boolean setWebhook(String url) {
         final String uri = baseUri + "/setWebhook?url=" + url;
-        final RequestBuilder request = new RequestBuilder("GET")
-                .setUrl(uri);
+
+        final HttpRequest.Builder request = 
HttpRequest.newBuilder().uri(URI.create(uri)).GET();
+
         WebhookResult res = sendSyncRequest(request.build(), 
WebhookResult.class);
         return res.isOk() && res.isResult();
     }
@@ -207,21 +202,23 @@ public class TelegramServiceRestBotAPIAdapter implements 
TelegramService {
 
     static class OutgoingPlainMessageHandler extends 
OutgoingMessageHandler<OutgoingMessage> {
 
-        public OutgoingPlainMessageHandler(AsyncHttpClient asyncHttpClient, 
int bufferSize, ObjectMapper mapper,
-                                           String uri, Class<? extends 
MessageResult> returnType) {
-            super(asyncHttpClient, bufferSize, mapper, uri, 
"application/json", returnType);
+        public OutgoingPlainMessageHandler(HttpClient client, ObjectMapper 
mapper,
+                                           String uri, Class<? extends 
MessageResult> returnType, int bufferSize) {
+            super(client, mapper, uri, "application/json", returnType, 
bufferSize);
         }
 
-        public OutgoingPlainMessageHandler(AsyncHttpClient asyncHttpClient, 
int bufferSize, ObjectMapper mapper,
-                                           String uri) {
-            this(asyncHttpClient, bufferSize, mapper, uri, 
MessageResult.class);
+        public OutgoingPlainMessageHandler(HttpClient client, ObjectMapper 
mapper,
+                                           String uri, int bufferSize) {
+            this(client, mapper, uri, MessageResult.class, bufferSize);
         }
 
         @Override
-        protected void addBody(RequestBuilder builder, OutgoingMessage 
message) {
+        protected void addBody(OutgoingMessage message) {
             try {
                 final String body = mapper.writeValueAsString(message);
-                builder.setBody(body);
+
+                bodyPublisher.addBodyPart(new 
TelegramBodyPublisher.SingleBodyPart(body));
+
             } catch (JsonProcessingException e) {
                 throw new RuntimeCamelException("Could not serialize " + 
message);
             }
@@ -231,251 +228,91 @@ public class TelegramServiceRestBotAPIAdapter implements 
TelegramService {
 
     static class OutgoingAudioMessageHandler extends 
OutgoingMessageHandler<OutgoingAudioMessage> {
 
-        public OutgoingAudioMessageHandler(AsyncHttpClient asyncHttpClient, 
int bufferSize, ObjectMapper mapper,
-                                           String baseUri) {
-            super(asyncHttpClient, bufferSize, mapper, baseUri + "/sendAudio", 
null, MessageResult.class);
+        public OutgoingAudioMessageHandler(HttpClient client, ObjectMapper 
mapper,
+                                           String baseUri, int bufferSize) {
+            super(client, mapper, baseUri + "/sendAudio", null, 
MessageResult.class, bufferSize);
         }
 
         @Override
-        protected void addBody(RequestBuilder builder, OutgoingAudioMessage 
message) {
-            fillCommonMediaParts(builder, message);
-            buildMediaPart(builder, "audio", 
message.getFilenameWithExtension(), message.getAudio());
-            buildTextPart(builder, "title", message.getTitle());
-            buildTextPart(builder, "duration", message.getDurationSeconds());
-            buildTextPart(builder, "performer", message.getPerformer());
-            buildTextPart(builder, "reply_markup", message.replyMarkupJson());
+        protected void addBody(OutgoingAudioMessage message) {
+            fillCommonMediaParts(message);
+            buildMediaPart("audio", message.getFilenameWithExtension(), 
message.getAudio());
+            buildTextPart("title", message.getTitle());
+            buildTextPart("duration", message.getDurationSeconds());
+            buildTextPart("performer", message.getPerformer());
+            buildTextPart("reply_markup", message.replyMarkupJson());
         }
 
     }
 
     static class OutgoingVideoMessageHandler extends 
OutgoingMessageHandler<OutgoingVideoMessage> {
 
-        public OutgoingVideoMessageHandler(AsyncHttpClient asyncHttpClient, 
int bufferSize, ObjectMapper mapper,
-                                           String baseUri) {
-            super(asyncHttpClient, bufferSize, mapper, baseUri + "/sendVideo", 
null, MessageResult.class);
+        public OutgoingVideoMessageHandler(HttpClient client, ObjectMapper 
mapper,
+                                           String baseUri, int bufferSize) {
+            super(client, mapper, baseUri + "/sendVideo", null, 
MessageResult.class, bufferSize);
         }
 
         @Override
-        protected void addBody(RequestBuilder builder, OutgoingVideoMessage 
message) {
-            fillCommonMediaParts(builder, message);
-            buildMediaPart(builder, "video", 
message.getFilenameWithExtension(), message.getVideo());
-            buildTextPart(builder, "caption", message.getCaption());
-            buildTextPart(builder, "duration", message.getDurationSeconds());
-            buildTextPart(builder, "width", message.getWidth());
-            buildTextPart(builder, "height", message.getHeight());
-            buildTextPart(builder, "reply_markup", message.replyMarkupJson());
+        protected void addBody(OutgoingVideoMessage message) {
+            fillCommonMediaParts(message);
+            buildMediaPart("video", message.getFilenameWithExtension(), 
message.getVideo());
+            buildTextPart("caption", message.getCaption());
+            buildTextPart("duration", message.getDurationSeconds());
+            buildTextPart("width", message.getWidth());
+            buildTextPart("height", message.getHeight());
+            buildTextPart("reply_markup", message.replyMarkupJson());
         }
-
     }
 
     static class OutgoingDocumentMessageHandler extends 
OutgoingMessageHandler<OutgoingDocumentMessage> {
 
-        public OutgoingDocumentMessageHandler(AsyncHttpClient asyncHttpClient, 
int bufferSize, ObjectMapper mapper,
-                                              String baseUri) {
-            super(asyncHttpClient, bufferSize, mapper, baseUri + 
"/sendDocument", null, MessageResult.class);
+        public OutgoingDocumentMessageHandler(HttpClient client, ObjectMapper 
mapper,
+                                              String baseUri, int bufferSize) {
+            super(client, mapper, baseUri + "/sendDocument", null, 
MessageResult.class, bufferSize);
         }
 
         @Override
-        protected void addBody(RequestBuilder builder, OutgoingDocumentMessage 
message) {
-            fillCommonMediaParts(builder, message);
-            buildMediaPart(builder, "document", 
message.getFilenameWithExtension(), message.getDocument());
-            buildTextPart(builder, "caption", message.getCaption());
-            buildTextPart(builder, "reply_markup", message.replyMarkupJson());
+        protected void addBody(OutgoingDocumentMessage message) {
+            fillCommonMediaParts(message);
+            buildMediaPart("document", message.getFilenameWithExtension(), 
message.getDocument());
+            buildTextPart("caption", message.getCaption());
+            buildTextPart("reply_markup", message.replyMarkupJson());
         }
 
     }
 
     static class OutgoingPhotoMessageHandler extends 
OutgoingMessageHandler<OutgoingPhotoMessage> {
 
-        public OutgoingPhotoMessageHandler(AsyncHttpClient asyncHttpClient, 
int bufferSize, ObjectMapper mapper,
-                                           String baseUri) {
-            super(asyncHttpClient, bufferSize, mapper, baseUri + "/sendPhoto", 
null, MessageResult.class);
+        public OutgoingPhotoMessageHandler(HttpClient client, ObjectMapper 
mapper,
+                                           String baseUri, int bufferSize) {
+            super(client, mapper, baseUri + "/sendPhoto", null, 
MessageResult.class, bufferSize);
         }
 
         @Override
-        protected void addBody(RequestBuilder builder, OutgoingPhotoMessage 
message) {
-            fillCommonMediaParts(builder, message);
-            buildMediaPart(builder, "photo", 
message.getFilenameWithExtension(), message.getPhoto());
-            buildTextPart(builder, "caption", message.getCaption());
-            buildTextPart(builder, "reply_markup", message.replyMarkupJson());
+        protected void addBody(OutgoingPhotoMessage message) {
+            fillCommonMediaParts(message);
+            buildMediaPart("photo", message.getFilenameWithExtension(), 
message.getPhoto());
+            buildTextPart("caption", message.getCaption());
+            buildTextPart("reply_markup", message.replyMarkupJson());
         }
 
     }
 
     static class OutgoingStickerMessageHandler extends 
OutgoingMessageHandler<OutgoingStickerMessage> {
-        public OutgoingStickerMessageHandler(AsyncHttpClient asyncHttpClient, 
int bufferSize, ObjectMapper mapper,
-                                             String baseUri) {
-            super(asyncHttpClient, bufferSize, mapper, baseUri + 
"/sendSticker", null, MessageResult.class);
+        public OutgoingStickerMessageHandler(HttpClient client, ObjectMapper 
mapper,
+                                             String baseUri, int bufferSize) {
+            super(client, mapper, baseUri + "/sendSticker", null, 
MessageResult.class, bufferSize);
         }
 
         @Override
-        protected void addBody(RequestBuilder builder, OutgoingStickerMessage 
message) {
-            fillCommonMediaParts(builder, message);
+        protected void addBody(OutgoingStickerMessage message) {
+            fillCommonMediaParts(message);
             if (message.getSticker() != null) {
-                buildTextPart(builder, "sticker", message.getSticker());
+                buildTextPart("sticker", message.getSticker());
             } else {
-                buildMediaPart(builder, "sticker", 
message.getFilenameWithExtension(), message.getStickerImage());
-            }
-        }
-    }
-
-    abstract static class OutgoingMessageHandler<T extends OutgoingMessage> {
-        protected final ObjectMapper mapper;
-        private final AsyncHttpClient asyncHttpClient;
-        private final int bufferSize;
-        private final String contentType;
-        private final String uri;
-        private final Class<? extends MessageResult> resultClass;
-
-        public OutgoingMessageHandler(AsyncHttpClient asyncHttpClient, int 
bufferSize, ObjectMapper mapper, String uri,
-                                      String contentType, Class<? extends 
MessageResult> resultClass) {
-            this.resultClass = resultClass;
-            this.asyncHttpClient = asyncHttpClient;
-            this.bufferSize = bufferSize;
-            this.mapper = mapper;
-            this.uri = uri;
-            this.contentType = contentType;
-        }
-
-        public void sendMessage(Exchange exchange, AsyncCallback callback, T 
message) {
-            final RequestBuilder builder = new RequestBuilder("POST")
-                    .setUrl(uri);
-            if (contentType != null) {
-                builder.setHeader("Content-Type", contentType);
-            }
-            builder.setHeader("Accept", "application/json");
-            addBody(builder, message);
-            asyncHttpClient.executeRequest(builder.build(),
-                    new TelegramAsyncHandler(exchange, callback, uri, 
bufferSize, mapper, resultClass));
-        }
-
-        protected abstract void addBody(RequestBuilder builder, T message);
-
-        protected void fillCommonMediaParts(RequestBuilder builder, 
OutgoingMessage message) {
-            buildTextPart(builder, "chat_id", message.getChatId());
-            buildTextPart(builder, "reply_to_message_id", 
message.getReplyToMessageId());
-            buildTextPart(builder, "disable_notification", 
message.getDisableNotification());
-        }
-
-        protected void buildTextPart(RequestBuilder builder, String name, 
Object value) {
-            if (value != null) {
-                builder.addBodyPart(new StringPart(name, 
String.valueOf(value), "text/plain", StandardCharsets.UTF_8));
+                buildMediaPart("sticker", message.getFilenameWithExtension(), 
message.getStickerImage());
             }
         }
-
-        protected void buildMediaPart(RequestBuilder builder, String name, 
String fileNameWithExtension, byte[] value) {
-            builder.addBodyPart(
-                    new ByteArrayPart(name, value, "application/octet-stream", 
StandardCharsets.UTF_8, fileNameWithExtension));
-        }
-
     }
 
-    private static final class TelegramAsyncHandler implements 
AsyncHandler<Exchange> {
-
-        private final Exchange exchange;
-        private final AsyncCallback callback;
-        private final String url;
-        private final ByteArrayOutputStream os;
-        private final ObjectMapper mapper;
-        private int statusCode;
-        private String statusText;
-        private String contentType;
-        private String contentEncoding;
-        private Charset charset;
-        private Class<? extends MessageResult> onCompletedType;
-
-        private TelegramAsyncHandler(Exchange exchange, AsyncCallback 
callback, String url, int bufferSize,
-                                     ObjectMapper mapper, Class<? extends 
MessageResult> onCompletedType) {
-            this.onCompletedType = onCompletedType;
-            this.exchange = exchange;
-            this.callback = callback;
-            this.url = url;
-            this.os = new ByteArrayOutputStream(bufferSize);
-            this.mapper = mapper;
-        }
-
-        @Override
-        public void onThrowable(Throwable t) {
-            if (LOG.isTraceEnabled()) {
-                LOG.trace("{} onThrowable {}", exchange.getExchangeId(), 
t.getMessage(), t);
-            }
-            exchange.setException(t);
-            callback.done(false);
-        }
-
-        @Override
-        public Exchange onCompleted() throws Exception {
-            if (LOG.isTraceEnabled()) {
-                LOG.trace("{} onCompleted", exchange.getExchangeId());
-            }
-            try {
-                // copy from output stream to input stream
-                os.flush();
-                os.close();
-                final boolean success = statusCode >= 200 && statusCode < 300;
-                try (InputStream maybeGzStream = new 
ByteArrayInputStream(os.toByteArray());
-                     InputStream is = 
GZIPHelper.uncompressGzip(contentEncoding, maybeGzStream);
-                     Reader r = new InputStreamReader(is, charset)) {
-
-                    if (success) {
-                        final Object result;
-                        if (LOG.isTraceEnabled()) {
-                            final String body = IOHelper.toString(r);
-                            LOG.trace("Received body for {}: {}", url, body);
-                            result = mapper.readValue(body, onCompletedType);
-                        } else {
-                            result = mapper.readValue(r, onCompletedType);
-                        }
-
-                        exchange.getMessage().setBody(result);
-                    } else {
-                        throw new RuntimeCamelException(
-                                url + " responded: " + statusCode + " " + 
statusText + " " + IOHelper.toString(r));
-                    }
-                } catch (IOException e) {
-                    throw new RuntimeCamelException("Could not parse the 
response from " + url, e);
-                }
-            } catch (Exception e) {
-                exchange.setException(e);
-            } finally {
-                // signal we are done
-                callback.done(false);
-            }
-            return exchange;
-        }
-
-        @Override
-        public String toString() {
-            return "AhcAsyncHandler for exchangeId: " + 
exchange.getExchangeId() + " -> " + url;
-        }
-
-        @Override
-        public State onBodyPartReceived(HttpResponseBodyPart bodyPart)
-                throws Exception {
-            // write body parts to stream, which we will bind to the Camel 
Exchange in onComplete
-            os.write(bodyPart.getBodyPartBytes());
-            if (LOG.isTraceEnabled()) {
-                LOG.trace("{} onBodyPartReceived {} bytes", 
exchange.getExchangeId(), bodyPart.length());
-            }
-            return State.CONTINUE;
-        }
-
-        @Override
-        public State onStatusReceived(HttpResponseStatus responseStatus) {
-            if (LOG.isTraceEnabled()) {
-                LOG.trace("{} onStatusReceived {}", exchange.getExchangeId(), 
responseStatus);
-            }
-            statusCode = responseStatus.getStatusCode();
-            statusText = responseStatus.getStatusText();
-            return State.CONTINUE;
-        }
-
-        @Override
-        public State onHeadersReceived(HttpHeaders headers) {
-            contentEncoding = headers.get("Content-Encoding");
-            contentType = headers.get("Content-Type");
-            charset = 
withDefault(extractContentTypeCharsetAttribute(contentType), 
StandardCharsets.UTF_8);
-            return State.CONTINUE;
-        }
-    }
 }
diff --git 
a/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/TelegramConsumerHealthCheckErrorTest.java
 
b/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/TelegramConsumerHealthCheckErrorTest.java
index fb4ad5e0b31..3f301b31072 100644
--- 
a/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/TelegramConsumerHealthCheckErrorTest.java
+++ 
b/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/TelegramConsumerHealthCheckErrorTest.java
@@ -83,7 +83,7 @@ public class TelegramConsumerHealthCheckErrorTest extends 
TelegramTestSupport {
                 rc.getDetails().get(HealthCheck.ENDPOINT_URI));
 
         Throwable e = rc.getError().get();
-        Assertions.assertTrue(e.getMessage().contains("401 Unauthorized"));
+        Assertions.assertTrue(e.getMessage().contains("401"));
         Assertions.assertEquals(401, 
rc.getDetails().get(HealthCheck.HTTP_RESPONSE_CODE));
     }
 
diff --git 
a/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/TelegramWebhookRegistrationTest.java
 
b/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/TelegramWebhookRegistrationTest.java
index 9c4a2a5cbb7..41da912f2d7 100644
--- 
a/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/TelegramWebhookRegistrationTest.java
+++ 
b/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/TelegramWebhookRegistrationTest.java
@@ -16,6 +16,10 @@
  */
 package org.apache.camel.component.telegram;
 
+import java.net.URI;
+import java.net.http.HttpClient;
+import java.net.http.HttpRequest;
+import java.net.http.HttpResponse;
 import java.util.List;
 import java.util.concurrent.TimeUnit;
 
@@ -27,8 +31,6 @@ import 
org.apache.camel.component.telegram.util.TelegramMockRoutes.MockProcessor
 import org.apache.camel.component.telegram.util.TelegramTestSupport;
 import org.apache.camel.component.telegram.util.TelegramTestUtil;
 import org.apache.camel.impl.DefaultCamelContext;
-import org.asynchttpclient.Dsl;
-import org.asynchttpclient.Response;
 import org.awaitility.Awaitility;
 import org.junit.jupiter.api.Test;
 
@@ -52,10 +54,12 @@ public class TelegramWebhookRegistrationTest extends 
TelegramTestSupport {
             Awaitility.await()
                     .atMost(5, TimeUnit.SECONDS)
                     .until(() -> {
-                        final Response testResponse = Dsl.asyncHttpClient()
-                                .prepareGet("http://localhost:"; + port + 
"/botmock-token/getTest")
-                                .execute().get();
-                        return testResponse.getStatusCode() == 200;
+                        HttpClient client = HttpClient.newBuilder().build();
+                        HttpRequest request = HttpRequest.newBuilder()
+                                .uri(URI.create("http://localhost:"; + port + 
"/botmock-token/getTest")).GET().build();
+
+                        final HttpResponse<String> response = 
client.send(request, HttpResponse.BodyHandlers.ofString());
+                        return response.statusCode() == 200;
                     });
 
             context().addRoutes(new RouteBuilder() {
@@ -92,10 +96,12 @@ public class TelegramWebhookRegistrationTest extends 
TelegramTestSupport {
             Awaitility.await()
                     .atMost(5, TimeUnit.SECONDS)
                     .until(() -> {
-                        final Response testResponse = Dsl.asyncHttpClient()
-                                .prepareGet("http://localhost:"; + port + 
"/botmock-token/getTest")
-                                .execute().get();
-                        return testResponse.getStatusCode() == 200;
+                        HttpClient client = HttpClient.newBuilder().build();
+                        HttpRequest request = HttpRequest.newBuilder()
+                                .uri(URI.create("http://localhost:"; + port + 
"/botmock-token/getTest")).GET().build();
+
+                        final HttpResponse<String> response = 
client.send(request, HttpResponse.BodyHandlers.ofString());
+                        return response.statusCode() == 200;
                     });
 
             context().addRoutes(new RouteBuilder() {
diff --git 
a/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/integration/TelegramServiceIT.java
 
b/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/integration/TelegramServiceIT.java
index 5cf2b6248bc..6df830d1d69 100644
--- 
a/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/integration/TelegramServiceIT.java
+++ 
b/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/integration/TelegramServiceIT.java
@@ -56,13 +56,17 @@ import 
org.apache.camel.component.telegram.util.TelegramApiConfig;
 import org.apache.camel.component.telegram.util.TelegramTestSupport;
 import org.apache.camel.component.telegram.util.TelegramTestUtil;
 import org.junit.jupiter.api.Assertions;
+import org.junit.jupiter.api.Disabled;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.condition.EnabledIfEnvironmentVariable;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 @EnabledIfEnvironmentVariable(named = "TELEGRAM_AUTHORIZATION_TOKEN", matches 
= ".*")
 public class TelegramServiceIT extends TelegramTestSupport {
+    private static final Logger LOG = 
LoggerFactory.getLogger(TelegramServiceIT.class);
 
     protected TelegramApiConfig getTelegramApiConfig() {
         return TelegramApiConfig.fromEnv();
@@ -74,6 +78,7 @@ public class TelegramServiceIT extends TelegramTestSupport {
          * So, for this test to succeed a human should have sent some messages 
to the bot manually
          * before running the test */
         IncomingMessage res = consumer.receiveBody("telegram://bots", 5000, 
IncomingMessage.class);
+        LOG.debug("Chat ID: {} - use this for running the tests", 
res.getChat().getId());
         assertNotNull(res);
     }
 
@@ -507,6 +512,7 @@ public class TelegramServiceIT extends TelegramTestSupport {
         Assertions.assertEquals("text_link", 
incomingMessage.getCaptionEntities().get(0).getType());
     }
 
+    @Disabled("Unlike testEditMediaToAnimation, this does not work. It needs 
to be investigated")
     @Test
     void testEditMediaToAudio() throws IOException {
 
@@ -538,7 +544,7 @@ public class TelegramServiceIT extends TelegramTestSupport {
     void testEditMediaToAnimation() throws IOException {
 
         //given
-        String mediaUrl = "CgADBAADlZ8AAtMdZAd-ZylyB-kkGRYE";
+        String mediaUrl = 
"http://file-examples.com/storage/fe783a5cbb6323602a28c66/2017/10/file_example_GIF_500kB.gif";;
         String caption = "caption";
 
         //send photo message
@@ -659,9 +665,10 @@ public class TelegramServiceIT extends TelegramTestSupport 
{
         Assertions.assertTrue(incomingMessage.isResult());
     }
 
+    @Disabled("This one requires manual setup of a game")
     @Test
     void testSendGameMessage() {
-        String gameShortName = "<game-short-name>";
+        String gameShortName = "gameShortName";
         String gameText = "<game-text>";
         long gameScore = 15L;
 
diff --git 
a/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/integration/TelegramServiceProxyIT.java
 
b/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/integration/TelegramServiceProxyIT.java
index c36dc31c8c8..8d7325a6975 100644
--- 
a/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/integration/TelegramServiceProxyIT.java
+++ 
b/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/integration/TelegramServiceProxyIT.java
@@ -20,6 +20,7 @@ import 
org.apache.camel.component.telegram.model.IncomingMessage;
 import org.apache.camel.component.telegram.model.OutgoingTextMessage;
 import org.apache.camel.component.telegram.util.TelegramApiConfig;
 import org.apache.camel.component.telegram.util.TelegramTestSupport;
+import org.junit.jupiter.api.Assumptions;
 import org.junit.jupiter.api.BeforeAll;
 import org.junit.jupiter.api.Test;
 import org.junit.jupiter.api.condition.EnabledIfEnvironmentVariable;
@@ -36,8 +37,13 @@ public class TelegramServiceProxyIT extends 
TelegramTestSupport {
     @BeforeAll
     public static void configureProxyFromEnv() {
         proxyHost = System.getenv("TELEGRAM_PROXY_HOST");
+        Assumptions.assumeTrue(proxyHost != null, "There is no proxy host 
defined on this environment");
+
         proxyPort = System.getenv("TELEGRAM_PROXY_PORT");
+        Assumptions.assumeTrue(proxyPort != null, "There is no proxy port 
defined on this environment");
+
         proxyType = System.getenv("TELEGRAM_PROXY_TYPE");
+        Assumptions.assumeTrue(proxyType != null, "There is no proxy type 
defined on this environment");
     }
 
     protected TelegramApiConfig getTelegramApiConfig() {
diff --git 
a/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/service/OutgoingMessageHandlerTest.java
 
b/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/service/OutgoingMessageHandlerTest.java
new file mode 100644
index 00000000000..f45c07616a5
--- /dev/null
+++ 
b/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/service/OutgoingMessageHandlerTest.java
@@ -0,0 +1,146 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.camel.component.telegram.service;
+
+import java.nio.ByteBuffer;
+import java.nio.charset.StandardCharsets;
+import java.util.Set;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+@DisplayName("Multipart message serialization tests")
+class OutgoingMessageHandlerTest {
+
+    @DisplayName("Test single body message")
+    @Test
+    void testSingleBody() {
+        TelegramBodyPublisher bodyPublisher = new TelegramBodyPublisher(100);
+
+        bodyPublisher.addBodyPart(new 
TelegramBodyPublisher.SingleBodyPart("message=\"value\""));
+
+        ByteBuffer buffer = ByteBuffer.allocate(100);
+        Set<TelegramBodyPublisher.TelegramBodyPart> bodyParts = 
bodyPublisher.getBodyParts();
+
+        TelegramBodyPublisher.serialize(bodyParts, buffer, "");
+
+        int written = buffer.capacity() - buffer.remaining();
+        String serialized = new String(buffer.array(), 0, written);
+
+        assertEquals("message=\"value\"", serialized);
+    }
+
+    @DisplayName("Test multi body message with 1 body")
+    @Test
+    void testMultiBody() {
+        TelegramBodyPublisher bodyPublisher = new TelegramBodyPublisher(1024);
+
+        bodyPublisher
+                .addBodyPart(new 
TelegramBodyPublisher.MultilineBodyPart<>("message", "value1", 
StandardCharsets.UTF_8.name()));
+
+        ByteBuffer buffer = ByteBuffer.allocate(1024);
+        Set<TelegramBodyPublisher.TelegramBodyPart> bodyParts = 
bodyPublisher.getBodyParts();
+
+        TelegramBodyPublisher.serialize(bodyParts, buffer, "aaa");
+
+        int written = buffer.capacity() - buffer.remaining();
+        String serialized = new String(buffer.array(), 0, written);
+
+        assertEquals("--aaa\r\n" +
+                     "Content-Disposition: form-data; name=\"message\"\r\n" +
+                     "Content-Type: UTF-8; charset=UTF-8\r\n\r\n" +
+                     "value1\r\n" +
+                     "--aaa--\r\n",
+                serialized);
+    }
+
+    @DisplayName("Test multi body message with 1 body and multiple headers")
+    @Test
+    void testMultiBodyWithMoreHeaders() {
+        TelegramBodyPublisher bodyPublisher = new TelegramBodyPublisher(1024);
+
+        final TelegramBodyPublisher.MultilineBodyPart<String> 
stringMultilineBodyPart
+                = new TelegramBodyPublisher.MultilineBodyPart<>("message", 
"value1", StandardCharsets.UTF_8.name());
+
+        // Headers must be serialized in the insertion order
+        stringMultilineBodyPart.addHeader("key1", "value1");
+        stringMultilineBodyPart.addHeader("key2", "value2");
+        bodyPublisher.addBodyPart(stringMultilineBodyPart);
+
+        ByteBuffer buffer = ByteBuffer.allocate(1024);
+        Set<TelegramBodyPublisher.TelegramBodyPart> bodyParts = 
bodyPublisher.getBodyParts();
+
+        TelegramBodyPublisher.serialize(bodyParts, buffer, "aaa");
+
+        int written = buffer.capacity() - buffer.remaining();
+        String serialized = new String(buffer.array(), 0, written);
+
+        assertEquals("--aaa\r\n" +
+                     "Content-Disposition: form-data; name=\"message\"; 
key1=\"value1\"; key2=\"value2\"\r\n"
+                     +
+                     "Content-Type: UTF-8; charset=UTF-8\r\n\r\n" +
+                     "value1\r\n" +
+                     "--aaa--\r\n",
+                serialized);
+    }
+
+    @DisplayName("Test multi body message with 2 bodies and multiple headers")
+    @Test
+    void testMultiBodyWith2BodiesWithMoreHeaders() {
+        TelegramBodyPublisher bodyPublisher = new TelegramBodyPublisher(1024);
+
+        final TelegramBodyPublisher.MultilineBodyPart<String> 
stringMultilineBodyPart1
+                = new TelegramBodyPublisher.MultilineBodyPart<>("message1", 
"value1", StandardCharsets.UTF_8.name());
+
+        // Headers must be serialized in the insertion order
+        stringMultilineBodyPart1.addHeader("key1", "value1");
+        stringMultilineBodyPart1.addHeader("key2", "value2");
+        bodyPublisher.addBodyPart(stringMultilineBodyPart1);
+
+        final TelegramBodyPublisher.MultilineBodyPart<String> 
stringMultilineBodyPart2
+                = new TelegramBodyPublisher.MultilineBodyPart<>("message2", 
"value2", StandardCharsets.UTF_8.name());
+
+        // Headers must be serialized in the insertion order
+        stringMultilineBodyPart2.addHeader("key1", "value1");
+        stringMultilineBodyPart2.addHeader("key2", "value2");
+        bodyPublisher.addBodyPart(stringMultilineBodyPart2);
+
+        ByteBuffer buffer = ByteBuffer.allocate(1024);
+        Set<TelegramBodyPublisher.TelegramBodyPart> bodyParts = 
bodyPublisher.getBodyParts();
+
+        TelegramBodyPublisher.serialize(bodyParts, buffer, "aaa");
+
+        int written = buffer.capacity() - buffer.remaining();
+        String serialized = new String(buffer.array(), 0, written);
+
+        assertEquals("--aaa\r\n" +
+                     "Content-Disposition: form-data; name=\"message1\"; 
key1=\"value1\"; key2=\"value2\"\r\n"
+                     +
+                     "Content-Type: UTF-8; charset=UTF-8\r\n\r\n" +
+                     "value1\r\n" +
+                     "--aaa\r\n" +
+                     "Content-Disposition: form-data; name=\"message2\"; 
key1=\"value1\"; key2=\"value2\"\r\n"
+                     +
+                     "Content-Type: UTF-8; charset=UTF-8\r\n\r\n" +
+                     "value2\r\n" +
+                     "--aaa--\r\n",
+                serialized);
+    }
+}
diff --git 
a/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/service/TelegramAsyncHandlerTest.java
 
b/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/service/TelegramAsyncHandlerTest.java
new file mode 100644
index 00000000000..75aee9af209
--- /dev/null
+++ 
b/components/camel-telegram/src/test/java/org/apache/camel/component/telegram/service/TelegramAsyncHandlerTest.java
@@ -0,0 +1,63 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.camel.component.telegram.service;
+
+import java.nio.charset.StandardCharsets;
+
+import org.junit.jupiter.api.DisplayName;
+import org.junit.jupiter.api.Test;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+@DisplayName("Tests charset information parsing")
+class TelegramAsyncHandlerTest {
+
+    @DisplayName("default charset information")
+    @Test
+    void testExtractCharset() {
+        assertEquals("UTF-8", 
TelegramAsyncHandler.extractCharset("Content-Type: text/plain; charset=UTF-8",
+                StandardCharsets.US_ASCII.name()));
+    }
+
+    @DisplayName("null charset information")
+    @Test
+    void testExtractCharsetNull() {
+        assertEquals("UTF-8", TelegramAsyncHandler.extractCharset(null, 
StandardCharsets.UTF_8.name()));
+    }
+
+    @DisplayName("with more items than expected")
+    @Test
+    void testExtractCharsetWithMoreItems() {
+        assertEquals("UTF-8", 
TelegramAsyncHandler.extractCharset("Content-Type: text/plain; charset=UTF-8; 
name=\"some-name\"",
+                StandardCharsets.US_ASCII.name()));
+    }
+
+    @DisplayName("with the charset information in the middle")
+    @Test
+    void testExtractCharsetInTheMiddle() {
+        assertEquals("UTF-8", 
TelegramAsyncHandler.extractCharset("Content-Type: text/plain; 
name=\"some-name\"; charset=UTF-8",
+                StandardCharsets.US_ASCII.name()));
+    }
+
+    @DisplayName("default charset information")
+    @Test
+    void testMissingCharset() {
+        assertEquals("ISO-8859-1", 
TelegramAsyncHandler.extractCharset("Content-Type: text/plain",
+                StandardCharsets.ISO_8859_1.name()));
+    }
+}
diff --git 
a/docs/user-manual/modules/ROOT/pages/camel-3x-upgrade-guide-3_19.adoc 
b/docs/user-manual/modules/ROOT/pages/camel-3x-upgrade-guide-3_19.adoc
index 3c66cf6f1f5..a39d0903206 100644
--- a/docs/user-manual/modules/ROOT/pages/camel-3x-upgrade-guide-3_19.adoc
+++ b/docs/user-manual/modules/ROOT/pages/camel-3x-upgrade-guide-3_19.adoc
@@ -81,6 +81,14 @@ The deprecated options were removed and should be replaced 
by the following opti
 
 Parameters in form of `@name` are extracted from the body or message and their 
type is preserved and translated into corresponding 
`com.google.cloud.bigquery.StandardSQLTypeName`. See the 
https://cloud.google.com/java/docs/reference/google-cloud-bigquery/latest/com.google.cloud.bigquery.QueryParameterValue[documentation]
 for more information. (Conversion to StandardSQLTypeName.STRING was used for 
each type before)
 
+
+=== camel-telegram
+
+The component was migrated from the Async HTTP Client to the builtin HTTP 
client from Java 11 and newer. As such,
+* the parameter `clientConfig`, that received an 
`AsyncHTTPClientConfiguration` instance was removed
+* the parameter `client`, that received an `AsyncHttpClient` instance, was 
modified to receive a HTTPClient instance.
+
+
 === xtokenize language
 
 The xtokenize language has moved from `camel-xml-jaxp` to `camel-stax` JAR 
because
diff --git 
a/dsl/camel-componentdsl/src/generated/java/org/apache/camel/builder/component/dsl/TelegramComponentBuilderFactory.java
 
b/dsl/camel-componentdsl/src/generated/java/org/apache/camel/builder/component/dsl/TelegramComponentBuilderFactory.java
index 49039f414d1..614d6390c34 100644
--- 
a/dsl/camel-componentdsl/src/generated/java/org/apache/camel/builder/component/dsl/TelegramComponentBuilderFactory.java
+++ 
b/dsl/camel-componentdsl/src/generated/java/org/apache/camel/builder/component/dsl/TelegramComponentBuilderFactory.java
@@ -134,39 +134,20 @@ public interface TelegramComponentBuilderFactory {
             return this;
         }
         /**
-         * To use a custom AsyncHttpClient.
+         * To use a custom java.net.http.HttpClient.
          * 
-         * The option is a:
-         * &lt;code&gt;org.asynchttpclient.AsyncHttpClient&lt;/code&gt; type.
+         * The option is a: &lt;code&gt;java.net.http.HttpClient&lt;/code&gt;
+         * type.
          * 
          * Group: advanced
          * 
          * @param client the value to set
          * @return the dsl builder
          */
-        default TelegramComponentBuilder client(
-                org.asynchttpclient.AsyncHttpClient client) {
+        default TelegramComponentBuilder client(java.net.http.HttpClient 
client) {
             doSetProperty("client", client);
             return this;
         }
-        /**
-         * To configure the AsyncHttpClient to use a custom
-         * com.ning.http.client.AsyncHttpClientConfig instance.
-         * 
-         * The option is a:
-         * &lt;code&gt;org.asynchttpclient.AsyncHttpClientConfig&lt;/code&gt;
-         * type.
-         * 
-         * Group: advanced
-         * 
-         * @param clientConfig the value to set
-         * @return the dsl builder
-         */
-        default TelegramComponentBuilder clientConfig(
-                org.asynchttpclient.AsyncHttpClientConfig clientConfig) {
-            doSetProperty("clientConfig", clientConfig);
-            return this;
-        }
         /**
          * The default Telegram authorization token to be used when the
          * information is not provided in the endpoints.
@@ -204,8 +185,7 @@ public interface TelegramComponentBuilderFactory {
             case "lazyStartProducer": ((TelegramComponent) 
component).setLazyStartProducer((boolean) value); return true;
             case "autowiredEnabled": ((TelegramComponent) 
component).setAutowiredEnabled((boolean) value); return true;
             case "baseUri": ((TelegramComponent) 
component).setBaseUri((java.lang.String) value); return true;
-            case "client": ((TelegramComponent) 
component).setClient((org.asynchttpclient.AsyncHttpClient) value); return true;
-            case "clientConfig": ((TelegramComponent) 
component).setClientConfig((org.asynchttpclient.AsyncHttpClientConfig) value); 
return true;
+            case "client": ((TelegramComponent) 
component).setClient((java.net.http.HttpClient) value); return true;
             case "authorizationToken": ((TelegramComponent) 
component).setAuthorizationToken((java.lang.String) value); return true;
             default: return false;
             }
diff --git 
a/dsl/camel-endpointdsl/src/generated/java/org/apache/camel/builder/endpoint/dsl/TelegramEndpointBuilderFactory.java
 
b/dsl/camel-endpointdsl/src/generated/java/org/apache/camel/builder/endpoint/dsl/TelegramEndpointBuilderFactory.java
index 488bbbada41..d55a104c2b6 100644
--- 
a/dsl/camel-endpointdsl/src/generated/java/org/apache/camel/builder/endpoint/dsl/TelegramEndpointBuilderFactory.java
+++ 
b/dsl/camel-endpointdsl/src/generated/java/org/apache/camel/builder/endpoint/dsl/TelegramEndpointBuilderFactory.java
@@ -895,76 +895,6 @@ public interface TelegramEndpointBuilderFactory {
             doSetProperty("baseUri", baseUri);
             return this;
         }
-        /**
-         * The initial in-memory buffer size used when transferring data 
between
-         * Camel and AHC Client.
-         * 
-         * The option is a: &lt;code&gt;int&lt;/code&gt; type.
-         * 
-         * Default: 4096
-         * Group: advanced
-         * 
-         * @param bufferSize the value to set
-         * @return the dsl builder
-         */
-        default AdvancedTelegramEndpointConsumerBuilder bufferSize(
-                int bufferSize) {
-            doSetProperty("bufferSize", bufferSize);
-            return this;
-        }
-        /**
-         * The initial in-memory buffer size used when transferring data 
between
-         * Camel and AHC Client.
-         * 
-         * The option will be converted to a &lt;code&gt;int&lt;/code&gt; type.
-         * 
-         * Default: 4096
-         * Group: advanced
-         * 
-         * @param bufferSize the value to set
-         * @return the dsl builder
-         */
-        default AdvancedTelegramEndpointConsumerBuilder bufferSize(
-                String bufferSize) {
-            doSetProperty("bufferSize", bufferSize);
-            return this;
-        }
-        /**
-         * To configure the AsyncHttpClient to use a custom
-         * com.ning.http.client.AsyncHttpClientConfig instance.
-         * 
-         * The option is a:
-         * &lt;code&gt;org.asynchttpclient.AsyncHttpClientConfig&lt;/code&gt;
-         * type.
-         * 
-         * Group: advanced
-         * 
-         * @param clientConfig the value to set
-         * @return the dsl builder
-         */
-        default AdvancedTelegramEndpointConsumerBuilder clientConfig(
-                org.asynchttpclient.AsyncHttpClientConfig clientConfig) {
-            doSetProperty("clientConfig", clientConfig);
-            return this;
-        }
-        /**
-         * To configure the AsyncHttpClient to use a custom
-         * com.ning.http.client.AsyncHttpClientConfig instance.
-         * 
-         * The option will be converted to a
-         * &lt;code&gt;org.asynchttpclient.AsyncHttpClientConfig&lt;/code&gt;
-         * type.
-         * 
-         * Group: advanced
-         * 
-         * @param clientConfig the value to set
-         * @return the dsl builder
-         */
-        default AdvancedTelegramEndpointConsumerBuilder clientConfig(
-                String clientConfig) {
-            doSetProperty("clientConfig", clientConfig);
-            return this;
-        }
     }
 
     /**
@@ -1162,76 +1092,6 @@ public interface TelegramEndpointBuilderFactory {
             doSetProperty("baseUri", baseUri);
             return this;
         }
-        /**
-         * The initial in-memory buffer size used when transferring data 
between
-         * Camel and AHC Client.
-         * 
-         * The option is a: &lt;code&gt;int&lt;/code&gt; type.
-         * 
-         * Default: 4096
-         * Group: advanced
-         * 
-         * @param bufferSize the value to set
-         * @return the dsl builder
-         */
-        default AdvancedTelegramEndpointProducerBuilder bufferSize(
-                int bufferSize) {
-            doSetProperty("bufferSize", bufferSize);
-            return this;
-        }
-        /**
-         * The initial in-memory buffer size used when transferring data 
between
-         * Camel and AHC Client.
-         * 
-         * The option will be converted to a &lt;code&gt;int&lt;/code&gt; type.
-         * 
-         * Default: 4096
-         * Group: advanced
-         * 
-         * @param bufferSize the value to set
-         * @return the dsl builder
-         */
-        default AdvancedTelegramEndpointProducerBuilder bufferSize(
-                String bufferSize) {
-            doSetProperty("bufferSize", bufferSize);
-            return this;
-        }
-        /**
-         * To configure the AsyncHttpClient to use a custom
-         * com.ning.http.client.AsyncHttpClientConfig instance.
-         * 
-         * The option is a:
-         * &lt;code&gt;org.asynchttpclient.AsyncHttpClientConfig&lt;/code&gt;
-         * type.
-         * 
-         * Group: advanced
-         * 
-         * @param clientConfig the value to set
-         * @return the dsl builder
-         */
-        default AdvancedTelegramEndpointProducerBuilder clientConfig(
-                org.asynchttpclient.AsyncHttpClientConfig clientConfig) {
-            doSetProperty("clientConfig", clientConfig);
-            return this;
-        }
-        /**
-         * To configure the AsyncHttpClient to use a custom
-         * com.ning.http.client.AsyncHttpClientConfig instance.
-         * 
-         * The option will be converted to a
-         * &lt;code&gt;org.asynchttpclient.AsyncHttpClientConfig&lt;/code&gt;
-         * type.
-         * 
-         * Group: advanced
-         * 
-         * @param clientConfig the value to set
-         * @return the dsl builder
-         */
-        default AdvancedTelegramEndpointProducerBuilder clientConfig(
-                String clientConfig) {
-            doSetProperty("clientConfig", clientConfig);
-            return this;
-        }
     }
 
     /**
@@ -1363,73 +1223,6 @@ public interface TelegramEndpointBuilderFactory {
             doSetProperty("baseUri", baseUri);
             return this;
         }
-        /**
-         * The initial in-memory buffer size used when transferring data 
between
-         * Camel and AHC Client.
-         * 
-         * The option is a: &lt;code&gt;int&lt;/code&gt; type.
-         * 
-         * Default: 4096
-         * Group: advanced
-         * 
-         * @param bufferSize the value to set
-         * @return the dsl builder
-         */
-        default AdvancedTelegramEndpointBuilder bufferSize(int bufferSize) {
-            doSetProperty("bufferSize", bufferSize);
-            return this;
-        }
-        /**
-         * The initial in-memory buffer size used when transferring data 
between
-         * Camel and AHC Client.
-         * 
-         * The option will be converted to a &lt;code&gt;int&lt;/code&gt; type.
-         * 
-         * Default: 4096
-         * Group: advanced
-         * 
-         * @param bufferSize the value to set
-         * @return the dsl builder
-         */
-        default AdvancedTelegramEndpointBuilder bufferSize(String bufferSize) {
-            doSetProperty("bufferSize", bufferSize);
-            return this;
-        }
-        /**
-         * To configure the AsyncHttpClient to use a custom
-         * com.ning.http.client.AsyncHttpClientConfig instance.
-         * 
-         * The option is a:
-         * &lt;code&gt;org.asynchttpclient.AsyncHttpClientConfig&lt;/code&gt;
-         * type.
-         * 
-         * Group: advanced
-         * 
-         * @param clientConfig the value to set
-         * @return the dsl builder
-         */
-        default AdvancedTelegramEndpointBuilder clientConfig(
-                org.asynchttpclient.AsyncHttpClientConfig clientConfig) {
-            doSetProperty("clientConfig", clientConfig);
-            return this;
-        }
-        /**
-         * To configure the AsyncHttpClient to use a custom
-         * com.ning.http.client.AsyncHttpClientConfig instance.
-         * 
-         * The option will be converted to a
-         * &lt;code&gt;org.asynchttpclient.AsyncHttpClientConfig&lt;/code&gt;
-         * type.
-         * 
-         * Group: advanced
-         * 
-         * @param clientConfig the value to set
-         * @return the dsl builder
-         */
-        default AdvancedTelegramEndpointBuilder clientConfig(String 
clientConfig) {
-            doSetProperty("clientConfig", clientConfig);
-            return this;
-        }
     }
 
     public interface TelegramBuilders {

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