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Introduce removeApplicationListener method at ApplicationContext level 

Closes gh-14023
This commit is contained in:
Juergen Hoeller 2022-05-06 16:14:04 +02:00
parent 8627bef8d9
commit f8c4071f73
2 changed files with 19 additions and 2 deletions
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10
spring-context/src/main/java/org/springframework/context/ConfigurableApplicationContext.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2020 the original author or authors.
* Copyright 2002-2022 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.
@ -169,6 +169,14 @@ public interface ConfigurableApplicationContext extends ApplicationContext, Life
*/
void addApplicationListener(ApplicationListener<?> listener);
/**
* Remove the given ApplicationListener from this context's set of listeners,
* assuming it got registered via {@link #addApplicationListener} before.
* @param listener the ApplicationListener to deregister
* @since 6.0
*/
void removeApplicationListener(ApplicationListener<?> listener);
/**
* Specify the ClassLoader to load class path resources and bean classes with.
* <p>This context class loader will be passed to the internal bean factory.

11
spring-context/src/main/java/org/springframework/context/support/AbstractApplicationContext.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2021 the original author or authors.
* Copyright 2002-2022 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.
@ -534,6 +534,15 @@ public abstract class AbstractApplicationContext extends DefaultResourceLoader
this.applicationListeners.add(listener);
}
@Override
public void removeApplicationListener(ApplicationListener<?> listener) {
Assert.notNull(listener, "ApplicationListener must not be null");
if (this.applicationEventMulticaster != null) {
this.applicationEventMulticaster.removeApplicationListener(listener);
}
this.applicationListeners.remove(listener);
}
/**
* Return the list of statically specified ApplicationListeners.
*/