revised use of id and display name (id may be null; SPR-5761)

org.springframework.context/src/main/java/org/springframework/context/support/AbstractRefreshableConfigApplicationContext.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2008 the original author or authors.
+ * Copyright 2002-2009 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.
@@ -137,6 +137,7 @@ public abstract class AbstractRefreshableConfigApplicationContext extends Abstra
 	public void setBeanName(String name) {
 		if (!this.setIdCalled) {
 			super.setId(name);
+			setDisplayName("ApplicationContext '" + name + "'");
 		}
 	}