Introduced createMethodJmsListenerEndpoint template method

Issue: SPR-13774

spring-jms/src/main/java/org/springframework/jms/annotation/JmsListenerAnnotationBeanPostProcessor.java

@@ -226,10 +226,19 @@ public class JmsListenerAnnotationBeanPostProcessor
 		return bean;
 	}
 
+	/**
+	 * Process the given {@link JmsListener} annotation on the given method,
+	 * registering a corresponding endpoint for the given bean instance.
+	 * @param jmsListener the annotation to process
+	 * @param mostSpecificMethod the annotated method
+	 * @param bean the instance to invoke the method on
+	 * @see #createMethodJmsListenerEndpoint()
+	 * @see JmsListenerEndpointRegistrar#registerEndpoint
+	 */
 	protected void processJmsListener(JmsListener jmsListener, Method mostSpecificMethod, Object bean) {
 		Method invocableMethod = MethodIntrospector.selectInvocableMethod(mostSpecificMethod, bean.getClass());
 
-		MethodJmsListenerEndpoint endpoint = new MethodJmsListenerEndpoint();
+		MethodJmsListenerEndpoint endpoint = createMethodJmsListenerEndpoint();
 		endpoint.setBean(bean);
 		endpoint.setMethod(invocableMethod);
 		endpoint.setMostSpecificMethod(mostSpecificMethod);
@@ -264,6 +273,17 @@ public class JmsListenerAnnotationBeanPostProcessor
 		this.registrar.registerEndpoint(endpoint, factory);
 	}
 
+	/**
+	 * Instantiate an empty {@link MethodJmsListenerEndpoint} for further
+	 * configuration with provided parameters in {@link #processJmsListener}.
+	 * @return a new {@code MethodJmsListenerEndpoint} or subclass thereof
+	 * @since 4.1.9
+	 * @see MethodJmsListenerEndpoint#createMessageListenerInstance()
+	 */
+	protected MethodJmsListenerEndpoint createMethodJmsListenerEndpoint() {
+		return new MethodJmsListenerEndpoint();
+	}
+
 	private String getEndpointId(JmsListener jmsListener) {
 		if (StringUtils.hasText(jmsListener.id())) {
 			return resolve(jmsListener.id());

spring-jms/src/main/java/org/springframework/jms/config/MethodJmsListenerEndpoint.java

@@ -56,7 +56,7 @@ public class MethodJmsListenerEndpoint extends AbstractJmsListenerEndpoint {
 
 
 	/**
-	 * Set the object instance that should manage this endpoint.
+	 * Set the actual bean instance to invoke this endpoint method on.
 	 */
 	public void setBean(Object bean) {
 		this.bean = bean;
@@ -67,7 +67,7 @@ public class MethodJmsListenerEndpoint extends AbstractJmsListenerEndpoint {
 	}
 
 	/**
-	 * Set the method to invoke to process a message managed by this endpoint.
+	 * Set the method to invoke for processing a message managed by this endpoint.
 	 */
 	public void setMethod(Method method) {
 		this.method = method;
@@ -146,6 +146,7 @@ public class MethodJmsListenerEndpoint extends AbstractJmsListenerEndpoint {
 
 	/**
 	 * Create an empty {@link MessagingMessageListenerAdapter} instance.
+	 * @return a new {@code MessagingMessageListenerAdapter} or subclass thereof
 	 */
 	protected MessagingMessageListenerAdapter createMessageListenerInstance() {
 		return new MessagingMessageListenerAdapter();