Well-known names for beans in message broker XML config

Issue: SPR-15068

spring-websocket/src/main/java/org/springframework/web/socket/config/MessageBrokerBeanDefinitionParser.java

@@ -104,6 +104,10 @@ class MessageBrokerBeanDefinitionParser implements BeanDefinitionParser {
 
 	public static final String SOCKJS_SCHEDULER_BEAN_NAME = "messageBrokerSockJsScheduler";
 
+	public static final String MESSAGING_TEMPLATE_BEAN_NAME = "brokerMessagingTemplate";
+
+	public static final String MESSAGE_CONVERTER_BEAN_NAME = "brokerMessageConverter";
+
 	private static final int DEFAULT_MAPPING_ORDER = 1;
 
 	private static final boolean jackson2Present = ClassUtils.isPresent(
@@ -482,7 +486,9 @@ class MessageBrokerBeanDefinitionParser implements BeanDefinitionParser {
 		ConstructorArgumentValues cavs = new ConstructorArgumentValues();
 		cavs.addIndexedArgumentValue(0, converters);
 		RootBeanDefinition messageConverterDef = new RootBeanDefinition(CompositeMessageConverter.class, cavs, null);
-		return new RuntimeBeanReference(registerBeanDef(messageConverterDef, context, source));
+		String name = MESSAGE_CONVERTER_BEAN_NAME;
+		registerBeanDefByName(name, messageConverterDef, context, source);
+		return new RuntimeBeanReference(name);
 	}
 
 	private RuntimeBeanReference registerMessagingTemplate(Element element, RuntimeBeanReference brokerChannel,
@@ -495,7 +501,9 @@ class MessageBrokerBeanDefinitionParser implements BeanDefinitionParser {
 			beanDef.getPropertyValues().add("userDestinationPrefix", element.getAttribute("user-destination-prefix"));
 		}
 		beanDef.getPropertyValues().add("messageConverter", messageConverter);
-		return new RuntimeBeanReference(registerBeanDef(beanDef,context, source));
+		String name = MESSAGING_TEMPLATE_BEAN_NAME;
+		registerBeanDefByName(name, beanDef, context, source);
+		return new RuntimeBeanReference(name);
 	}
 
 	private void registerAnnotationMethodMessageHandler(Element messageBrokerElement,

spring-websocket/src/test/java/org/springframework/web/socket/config/MessageBrokerBeanDefinitionParserTests.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2016 the original author or authors.
+ * Copyright 2002-2017 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -333,10 +333,12 @@ public class MessageBrokerBeanDefinitionParserTests {
 		assertNotNull(messageConverter);
 		assertTrue(messageConverter instanceof CompositeMessageConverter);
 
-		CompositeMessageConverter compositeMessageConverter = this.appContext.getBean(CompositeMessageConverter.class);
+		String name = MessageBrokerBeanDefinitionParser.MESSAGE_CONVERTER_BEAN_NAME;
+		CompositeMessageConverter compositeMessageConverter = this.appContext.getBean(name, CompositeMessageConverter.class);
 		assertNotNull(compositeMessageConverter);
 
-		SimpMessagingTemplate simpMessagingTemplate = this.appContext.getBean(SimpMessagingTemplate.class);
+		name = MessageBrokerBeanDefinitionParser.MESSAGING_TEMPLATE_BEAN_NAME;
+		SimpMessagingTemplate simpMessagingTemplate = this.appContext.getBean(name, SimpMessagingTemplate.class);
 		assertNotNull(simpMessagingTemplate);
 		assertEquals("/personal/", simpMessagingTemplate.getUserDestinationPrefix());