[camel] 01/02: CAMEL-14690 - Camel-AWS2: Better logging when checking client instance in the registry, IAM

[acosentino]

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acosentino pushed a commit to branch master
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commit 8a9f433137a4e4a44b5562e3a0080d0de6436f24
Author: Andrea Cosentino <anco...@gmail.com>
AuthorDate: Wed Mar 11 15:46:51 2020 +0100

    CAMEL-14690 - Camel-AWS2: Better logging when checking client instance in 
the registry, IAM
---
 .../camel/component/aws2/iam/IAM2Component.java    | 24 +++++++++++++++++-----
 1 file changed, 19 insertions(+), 5 deletions(-)

diff --git 
a/components/camel-aws2-iam/src/main/java/org/apache/camel/component/aws2/iam/IAM2Component.java
 
b/components/camel-aws2-iam/src/main/java/org/apache/camel/component/aws2/iam/IAM2Component.java
index 3c113eb..fd7931e 100644
--- 
a/components/camel-aws2-iam/src/main/java/org/apache/camel/component/aws2/iam/IAM2Component.java
+++ 
b/components/camel-aws2-iam/src/main/java/org/apache/camel/component/aws2/iam/IAM2Component.java
@@ -24,6 +24,10 @@ 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.apache.camel.util.ObjectHelper;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import software.amazon.awssdk.services.iam.IamClient;
 
 /**
@@ -31,6 +35,8 @@ import software.amazon.awssdk.services.iam.IamClient;
  */
 @Component("aws2-iam")
 public class IAM2Component extends DefaultComponent {
+       
+    private static final Logger LOG = 
LoggerFactory.getLogger(IAM2Component.class);
 
     @Metadata
     private IAM2Configuration configuration = new IAM2Configuration();
@@ -50,7 +56,7 @@ public class IAM2Component extends DefaultComponent {
         IAM2Configuration configuration = this.configuration != null ? 
this.configuration.copy() : new IAM2Configuration();
         IAM2Endpoint endpoint = new IAM2Endpoint(uri, this, configuration);
         setProperties(endpoint, parameters);
-        checkAndSetRegistryClient(configuration);
+        checkAndSetRegistryClient(configuration, endpoint);
         if (configuration.getIamClient() == null && 
(configuration.getAccessKey() == null || configuration.getSecretKey() == null)) 
{
             throw new IllegalArgumentException("Amazon IAM client or accessKey 
and secretKey must be specified");
         }
@@ -69,10 +75,18 @@ public class IAM2Component extends DefaultComponent {
         this.configuration = configuration;
     }
 
-    private void checkAndSetRegistryClient(IAM2Configuration configuration) {
-        Set<IamClient> clients = 
getCamelContext().getRegistry().findByType(IamClient.class);
-        if (clients.size() == 1) {
-            configuration.setIamClient(clients.stream().findFirst().get());
+    private void checkAndSetRegistryClient(IAM2Configuration configuration, 
IAM2Endpoint endpoint) {
+        if (ObjectHelper.isEmpty(endpoint.getConfiguration().getIamClient())) {
+            LOG.debug("Looking for an IamClient instance in the registry");
+            Set<IamClient> clients = 
getCamelContext().getRegistry().findByType(IamClient.class);
+            if (clients.size() == 1) {
+                LOG.debug("Found exactly one IamClient instance in the 
registry");
+                configuration.setIamClient(clients.stream().findFirst().get());
+            } else {
+                LOG.debug("No IamClient instance in the registry");
+            }
+        } else {
+            LOG.debug("IamClient instance is already set at endpoint level: 
skipping the check in the registry");
         }
     }
 }