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orpiske pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/camel.git


The following commit(s) were added to refs/heads/main by this push:
     new 6a42f1045a1 (chores) Fix StringBuilder append misuses
6a42f1045a1 is described below

commit 6a42f1045a18aada122726f413815b52159ecb97
Author: Otavio R. Piske <[email protected]>
AuthorDate: Sat Aug 24 10:12:21 2024 +0200

    (chores) Fix StringBuilder append misuses
    
    Signed-off-by: Otavio R. Piske <[email protected]>
---
 .../bindy/model/fix/complex/onetomany/Order.java   | 11 ++-
 .../camel/component/exec/ExecEndpointTest.java     |  8 +-
 .../exec/ExecJavaProcessRecipientListTest.java     |  2 +-
 .../camel/component/exec/ExecJavaProcessTest.java  |  2 +-
 .../camel/component/exec/ExecScriptTest.java       |  2 +-
 .../exec/impl/ExecDocumentationExamplesTest.java   |  4 +-
 .../camel/component/snmp/SnmpConverters.java       |  2 +-
 .../DefaultManagementObjectNameStrategy.java       | 96 +++++++++++-----------
 .../camel/maven/packaging/PackageModelMojo.java    |  2 +-
 9 files changed, 71 insertions(+), 58 deletions(-)

diff --git 
a/components/camel-bindy/src/test/java/org/apache/camel/dataformat/bindy/model/fix/complex/onetomany/Order.java
 
b/components/camel-bindy/src/test/java/org/apache/camel/dataformat/bindy/model/fix/complex/onetomany/Order.java
index 6d66181682a..1b9424f1814 100644
--- 
a/components/camel-bindy/src/test/java/org/apache/camel/dataformat/bindy/model/fix/complex/onetomany/Order.java
+++ 
b/components/camel-bindy/src/test/java/org/apache/camel/dataformat/bindy/model/fix/complex/onetomany/Order.java
@@ -111,8 +111,15 @@ public class Order {
     @Override
     public String toString() {
         StringBuilder temp = new StringBuilder();
-        temp.append(Order.class.getName() + " --> 1: " + this.account + ", 11: 
" + this.clOrdId
-                    + ", 58: " + this.text + ", 777: " + this.created);
+        temp.append(Order.class.getName())
+                .append(" --> 1: ")
+                .append(this.account)
+                .append(", 11: ")
+                .append(this.clOrdId)
+                .append(", 58: ")
+                .append(this.text)
+                .append(", 777: ")
+                .append(this.created);
         temp.append("\r");
 
         if (this.securities != null) {
diff --git 
a/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecEndpointTest.java
 
b/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecEndpointTest.java
index 5870f4b6352..ed4b0509801 100644
--- 
a/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecEndpointTest.java
+++ 
b/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecEndpointTest.java
@@ -219,8 +219,12 @@ public class ExecEndpointTest {
         String outFile = "target/outfile.xml";
         long timeout = 10000;
         StringBuilder builder = new StringBuilder();
-        builder.append("exec:executable.exe").append("?workingDir=" + 
workingDir).append("&timeout=" + timeout);
-        builder.append("&outFile=" + outFile);
+        builder.append("exec:executable.exe")
+                .append("?workingDir=")
+                .append(workingDir)
+                .append("&timeout=")
+                .append(timeout);
+        builder.append("&outFile=").append(outFile);
         
builder.append("&commandExecutor=#customExecutor&binding=#customBinding");
 
         ExecEndpoint e = 
createExecEndpoint(UnsafeUriCharactersEncoder.encode(builder.toString()));
diff --git 
a/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecJavaProcessRecipientListTest.java
 
b/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecJavaProcessRecipientListTest.java
index 5ae2a52851e..7f832d97b9d 100644
--- 
a/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecJavaProcessRecipientListTest.java
+++ 
b/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecJavaProcessRecipientListTest.java
@@ -235,7 +235,7 @@ public class ExecJavaProcessRecipientListTest extends 
CamelTestSupport {
         final StringBuilder builder = new StringBuilder();
         int lines = 10;
         for (int t = 1; t < lines; t++) {
-            builder.append("Line" + t + System.lineSeparator());
+            builder.append("Line").append(t).append(System.lineSeparator());
         }
         String whiteSpaceSeparatedLines = builder.toString();
         String expected = builder.toString();
diff --git 
a/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecJavaProcessTest.java
 
b/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecJavaProcessTest.java
index e76705c29eb..55063981ba2 100644
--- 
a/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecJavaProcessTest.java
+++ 
b/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecJavaProcessTest.java
@@ -386,7 +386,7 @@ public class ExecJavaProcessTest extends CamelTestSupport {
         final StringBuilder builder = new StringBuilder();
         int lines = 10;
         for (int t = 1; t < lines; t++) {
-            builder.append("Line" + t + System.lineSeparator());
+            builder.append("Line").append(t).append(System.lineSeparator());
         }
         String whiteSpaceSeparatedLines = builder.toString();
         String expected = builder.toString();
diff --git 
a/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecScriptTest.java
 
b/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecScriptTest.java
index 3a8f968744a..8b375ec579d 100644
--- 
a/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecScriptTest.java
+++ 
b/components/camel-exec/src/test/java/org/apache/camel/component/exec/ExecScriptTest.java
@@ -85,7 +85,7 @@ public class ExecScriptTest {
     private Exchange executeScript(final File scriptFile, long timeout, 
String... args) {
         StringBuilder argsBuilder = new StringBuilder();
         for (String arg : args) {
-            argsBuilder.append(arg + " ");
+            argsBuilder.append(arg).append(" ");
         }
         final String whiteSpaceSeparatedArgs = argsBuilder.toString().trim();
 
diff --git 
a/components/camel-exec/src/test/java/org/apache/camel/component/exec/impl/ExecDocumentationExamplesTest.java
 
b/components/camel-exec/src/test/java/org/apache/camel/component/exec/impl/ExecDocumentationExamplesTest.java
index 357b40883d7..c488841cc0b 100644
--- 
a/components/camel-exec/src/test/java/org/apache/camel/component/exec/impl/ExecDocumentationExamplesTest.java
+++ 
b/components/camel-exec/src/test/java/org/apache/camel/component/exec/impl/ExecDocumentationExamplesTest.java
@@ -195,7 +195,9 @@ public class ExecDocumentationExamplesTest extends 
CamelTestSupport {
         StringBuilder builder = new StringBuilder();
         builder.append("<project name=\"TestExec\" default=\"test\" 
basedir=\".\">");
         builder.append("<target name=\"test\">");
-        builder.append("<echo message=\"" + TEST_MSG + "\"/>");
+        builder.append("<echo message=\"")
+                .append(TEST_MSG)
+                .append("\"/>");
         builder.append("</target>");
         builder.append("</project>");
         return builder.toString();
diff --git 
a/components/camel-snmp/src/main/java/org/apache/camel/component/snmp/SnmpConverters.java
 
b/components/camel-snmp/src/main/java/org/apache/camel/component/snmp/SnmpConverters.java
index e453f7ddb52..48eb2d7a58a 100644
--- 
a/components/camel-snmp/src/main/java/org/apache/camel/component/snmp/SnmpConverters.java
+++ 
b/components/camel-snmp/src/main/java/org/apache/camel/component/snmp/SnmpConverters.java
@@ -98,7 +98,7 @@ public final class SnmpConverters {
 
         // prepare the header
         if (pdu.getType() == PDU.V1TRAP) {
-            sb.append("<" + SNMP_TAG + " messageType=\"v1\">");
+            sb.append("<").append(SNMP_TAG).append(" messageType=\"v1\">");
         } else {
             sb.append(SNMP_TAG_OPEN);
         }
diff --git 
a/core/camel-management/src/main/java/org/apache/camel/management/DefaultManagementObjectNameStrategy.java
 
b/core/camel-management/src/main/java/org/apache/camel/management/DefaultManagementObjectNameStrategy.java
index 2225bf603b0..f8efacf6cba 100644
--- 
a/core/camel-management/src/main/java/org/apache/camel/management/DefaultManagementObjectNameStrategy.java
+++ 
b/core/camel-management/src/main/java/org/apache/camel/management/DefaultManagementObjectNameStrategy.java
@@ -176,9 +176,9 @@ public class DefaultManagementObjectNameStrategy implements 
ManagementObjectName
     public ObjectName getObjectNameForCamelContext(String managementName, 
String name) throws MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(managementName)).append(",");
-        buffer.append(KEY_TYPE + "=" + TYPE_CONTEXT + ",");
-        buffer.append(KEY_NAME + "=").append(ObjectName.quote(name));
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(managementName)).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_CONTEXT).append(",");
+        buffer.append(KEY_NAME).append("=").append(ObjectName.quote(name));
         return createObjectName(buffer);
     }
 
@@ -203,9 +203,9 @@ public class DefaultManagementObjectNameStrategy implements 
ManagementObjectName
 
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(managementName)).append(",");
-        buffer.append(KEY_TYPE + "=" + TYPE_HEALTH + ",");
-        buffer.append(KEY_NAME + "=").append("DefaultHealthCheck");
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(managementName)).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_HEALTH).append(",");
+        buffer.append(KEY_NAME).append("=").append("DefaultHealthCheck");
 
         return createObjectName(buffer);
     }
@@ -221,9 +221,9 @@ public class DefaultManagementObjectNameStrategy implements 
ManagementObjectName
 
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(managementName)).append(",");
-        buffer.append(KEY_TYPE + "=" + TYPE_SERVICE + ",");
-        buffer.append(KEY_NAME + 
"=").append(routeController.getClass().getSimpleName());
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(managementName)).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_SERVICE).append(",");
+        
buffer.append(KEY_NAME).append("=").append(routeController.getClass().getSimpleName());
 
         return createObjectName(buffer);
     }
@@ -232,9 +232,9 @@ public class DefaultManagementObjectNameStrategy implements 
ManagementObjectName
     public ObjectName getObjectNameForEndpoint(Endpoint endpoint) throws 
MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(endpoint.getCamelContext())).append(",");
-        buffer.append(KEY_TYPE + "=" + TYPE_ENDPOINT + ",");
-        buffer.append(KEY_NAME + 
"=").append(ObjectName.quote(getEndpointId(endpoint)));
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(endpoint.getCamelContext())).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_ENDPOINT).append(",");
+        
buffer.append(KEY_NAME).append("=").append(ObjectName.quote(getEndpointId(endpoint)));
         return createObjectName(buffer);
     }
 
@@ -243,9 +243,9 @@ public class DefaultManagementObjectNameStrategy implements 
ManagementObjectName
             throws MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(context)).append(",");
-        buffer.append(KEY_TYPE + "=" + TYPE_DATAFORMAT + ",");
-        buffer.append(KEY_NAME + 
"=").append(dataFormat.getClass().getSimpleName());
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(context)).append(",");
+        
buffer.append(KEY_TYPE).append("=").append(TYPE_DATAFORMAT).append(",");
+        
buffer.append(KEY_NAME).append("=").append(dataFormat.getClass().getSimpleName());
         if (!(dataFormat instanceof StaticService)) {
             
buffer.append("(").append(ObjectHelper.getIdentityHashCode(dataFormat)).append(")");
         }
@@ -256,9 +256,9 @@ public class DefaultManagementObjectNameStrategy implements 
ManagementObjectName
     public ObjectName getObjectNameForComponent(Component component, String 
name) throws MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(component.getCamelContext())).append(",");
-        buffer.append(KEY_TYPE + "=" + TYPE_COMPONENT + ",");
-        buffer.append(KEY_NAME + "=").append(ObjectName.quote(name));
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(component.getCamelContext())).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_COMPONENT).append(",");
+        buffer.append(KEY_NAME).append("=").append(ObjectName.quote(name));
         return createObjectName(buffer);
     }
 
@@ -267,14 +267,14 @@ public class DefaultManagementObjectNameStrategy 
implements ManagementObjectName
             throws MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(context)).append(",");
-        buffer.append(KEY_TYPE + "=").append(TYPE_PROCESSOR).append(",");
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(context)).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_PROCESSOR).append(",");
         String id = definition.getId();
         String prefix = definition.getNodePrefixId();
         if (prefix != null) {
             id = prefix + id;
         }
-        buffer.append(KEY_NAME + "=").append(ObjectName.quote(id));
+        buffer.append(KEY_NAME).append("=").append(ObjectName.quote(id));
         return createObjectName(buffer);
     }
 
@@ -283,14 +283,14 @@ public class DefaultManagementObjectNameStrategy 
implements ManagementObjectName
             throws MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(context)).append(",");
-        buffer.append(KEY_TYPE + "=").append(TYPE_STEP).append(",");
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(context)).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_STEP).append(",");
         String id = definition.getId();
         String prefix = definition.getNodePrefixId();
         if (prefix != null) {
             id = prefix + id;
         }
-        buffer.append(KEY_NAME + "=").append(ObjectName.quote(id));
+        buffer.append(KEY_NAME).append("=").append(ObjectName.quote(id));
         return createObjectName(buffer);
     }
 
@@ -298,14 +298,14 @@ public class DefaultManagementObjectNameStrategy 
implements ManagementObjectName
     public ObjectName getObjectNameForConsumer(CamelContext context, Consumer 
consumer) throws MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(context)).append(",");
-        buffer.append(KEY_TYPE + "=").append(TYPE_CONSUMER).append(",");
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(context)).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_CONSUMER).append(",");
 
         String name = consumer.getClass().getSimpleName();
         if (ObjectHelper.isEmpty(name)) {
             name = "Consumer";
         }
-        buffer.append(KEY_NAME + "=")
+        buffer.append(KEY_NAME).append("=")
                 .append(name)
                 
.append("(").append(ObjectHelper.getIdentityHashCode(consumer)).append(")");
         return createObjectName(buffer);
@@ -315,8 +315,8 @@ public class DefaultManagementObjectNameStrategy implements 
ManagementObjectName
     public ObjectName getObjectNameForProducer(CamelContext context, Producer 
producer) throws MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(context)).append(",");
-        buffer.append(KEY_TYPE + "=").append(TYPE_PRODUCER).append(",");
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(context)).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_PRODUCER).append(",");
 
         String name = producer.getClass().getSimpleName();
         if (ObjectHelper.isEmpty(name)) {
@@ -341,9 +341,9 @@ public class DefaultManagementObjectNameStrategy implements 
ManagementObjectName
 
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(context)).append(",");
-        buffer.append(KEY_TYPE + "=" + TYPE_TRACER + ",");
-        buffer.append(KEY_NAME + "=").append(name);
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(context)).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_TRACER).append(",");
+        buffer.append(KEY_NAME).append("=").append(name);
         return createObjectName(buffer);
     }
 
@@ -352,15 +352,15 @@ public class DefaultManagementObjectNameStrategy 
implements ManagementObjectName
             throws MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(context)).append(",");
-        buffer.append(KEY_TYPE + "=" + TYPE_EVENT_NOTIFIER + ",");
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(context)).append(",");
+        
buffer.append(KEY_TYPE).append("=").append(TYPE_EVENT_NOTIFIER).append(",");
 
         if (eventNotifier instanceof JmxNotificationEventNotifier) {
             // JMX notifier shall have an easy to use name
-            buffer.append(KEY_NAME + "=").append("JmxEventNotifier");
+            buffer.append(KEY_NAME).append("=").append("JmxEventNotifier");
         } else {
             // others can be per instance
-            buffer.append(KEY_NAME + "=")
+            buffer.append(KEY_NAME).append("=")
                     .append("EventNotifier")
                     
.append("(").append(ObjectHelper.getIdentityHashCode(eventNotifier)).append(")");
         }
@@ -371,9 +371,9 @@ public class DefaultManagementObjectNameStrategy implements 
ManagementObjectName
     public ObjectName getObjectNameForRoute(org.apache.camel.Route route) 
throws MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(route.getCamelContext())).append(",");
-        buffer.append(KEY_TYPE + "=" + TYPE_ROUTE + ",");
-        buffer.append(KEY_NAME + "=").append(ObjectName.quote(route.getId()));
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(route.getCamelContext())).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_ROUTE).append(",");
+        
buffer.append(KEY_NAME).append("=").append(ObjectName.quote(route.getId()));
         return createObjectName(buffer);
     }
 
@@ -381,9 +381,9 @@ public class DefaultManagementObjectNameStrategy implements 
ManagementObjectName
     public ObjectName getObjectNameForService(CamelContext context, Service 
service) throws MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(context)).append(",");
-        buffer.append(KEY_TYPE + "=" + TYPE_SERVICE + ",");
-        buffer.append(KEY_NAME + 
"=").append(service.getClass().getSimpleName());
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(context)).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_SERVICE).append(",");
+        
buffer.append(KEY_NAME).append("=").append(service.getClass().getSimpleName());
         if (!(service instanceof StaticService)) {
             
buffer.append("(").append(ObjectHelper.getIdentityHashCode(service)).append(")");
         }
@@ -395,9 +395,9 @@ public class DefaultManagementObjectNameStrategy implements 
ManagementObjectName
             throws MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(context)).append(",");
-        buffer.append(KEY_TYPE + "=" + TYPE_HA + ",");
-        buffer.append(KEY_NAME + 
"=").append(service.getClass().getSimpleName());
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(context)).append(",");
+        buffer.append(KEY_TYPE).append("=").append(TYPE_HA).append(",");
+        
buffer.append(KEY_NAME).append("=").append(service.getClass().getSimpleName());
         if (!(service instanceof StaticService)) {
             
buffer.append("(").append(ObjectHelper.getIdentityHashCode(service)).append(")");
         }
@@ -410,15 +410,15 @@ public class DefaultManagementObjectNameStrategy 
implements ManagementObjectName
             throws MalformedObjectNameException {
         StringBuilder buffer = new StringBuilder();
         buffer.append(domainName).append(":");
-        buffer.append(KEY_CONTEXT + 
"=").append(getContextId(context)).append(",");
-        buffer.append(KEY_TYPE + "=" + TYPE_THREAD_POOL + ",");
+        
buffer.append(KEY_CONTEXT).append("=").append(getContextId(context)).append(",");
+        
buffer.append(KEY_TYPE).append("=").append(TYPE_THREAD_POOL).append(",");
 
         String name = id;
         if (sourceId != null) {
             // provide source id if we know it, this helps end user to know 
where the pool is used
             name = name + "(" + sourceId + ")";
         }
-        buffer.append(KEY_NAME + "=").append(ObjectName.quote(name));
+        buffer.append(KEY_NAME).append("=").append(ObjectName.quote(name));
         return createObjectName(buffer);
     }
 
diff --git 
a/tooling/maven/camel-package-maven-plugin/src/main/java/org/apache/camel/maven/packaging/PackageModelMojo.java
 
b/tooling/maven/camel-package-maven-plugin/src/main/java/org/apache/camel/maven/packaging/PackageModelMojo.java
index e36eace2349..bcca5804dfc 100644
--- 
a/tooling/maven/camel-package-maven-plugin/src/main/java/org/apache/camel/maven/packaging/PackageModelMojo.java
+++ 
b/tooling/maven/camel-package-maven-plugin/src/main/java/org/apache/camel/maven/packaging/PackageModelMojo.java
@@ -79,7 +79,7 @@ public class PackageModelMojo extends AbstractGeneratorMojo {
 
         if (!models.isEmpty()) {
             StringBuilder sb = new StringBuilder();
-            sb.append("# " + GENERATED_MSG + NL);
+            sb.append("# ").append(GENERATED_MSG).append(NL);
             for (String name : models) {
                 sb.append(name).append(NL);
             }

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