spring ChainedExceptionListener 源码
spring ChainedExceptionListener 代码
文件路径：/spring-jms/src/main/java/org/springframework/jms/connection/ChainedExceptionListener.java
/*
* Copyright 2002-2018 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.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.jms.connection;
import java.util.ArrayList;
import java.util.List;
import jakarta.jms.ExceptionListener;
import jakarta.jms.JMSException;
import org.springframework.util.Assert;
/**
* Implementation of the JMS ExceptionListener interface that supports chaining,
* allowing the addition of multiple ExceptionListener instances in order.
*
* @author Juergen Hoeller
* @since 2.0
*/
public class ChainedExceptionListener implements ExceptionListener {
/** List of ExceptionListeners. */
private final List<ExceptionListener> delegates = new ArrayList<>(2);
/**
* Add an ExceptionListener to the chained delegate list.
*/
public final void addDelegate(ExceptionListener listener) {
Assert.notNull(listener, "ExceptionListener must not be null");
this.delegates.add(listener);
}
/**
* Return all registered ExceptionListener delegates (as array).
*/
public final ExceptionListener[] getDelegates() {
return this.delegates.toArray(new ExceptionListener[0]);
}
@Override
public void onException(JMSException ex) {
for (ExceptionListener listener : this.delegates) {
listener.onException(ex);
}
}
}
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