001/* 002 * Copyright 2006-2007 the original author or authors. 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); 005 * you may not use this file except in compliance with the License. 006 * You may obtain a copy of the License at 007 * 008 * https://www.apache.org/licenses/LICENSE-2.0 009 * 010 * Unless required by applicable law or agreed to in writing, software 011 * distributed under the License is distributed on an "AS IS" BASIS, 012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013 * See the License for the specific language governing permissions and 014 * limitations under the License. 015 */ 016 017package org.springframework.batch.repeat.exception; 018 019import java.util.Arrays; 020 021import org.springframework.batch.repeat.RepeatContext; 022 023/** 024 * Composite {@link ExceptionHandler} that loops though a list of delegates. 025 * 026 * @author Dave Syer 027 * 028 */ 029public class CompositeExceptionHandler implements ExceptionHandler { 030 031 private ExceptionHandler[] handlers = new ExceptionHandler[0]; 032 033 public void setHandlers(ExceptionHandler[] handlers) { 034 this.handlers = Arrays.asList(handlers).toArray(new ExceptionHandler[handlers.length]); 035 } 036 037 /** 038 * Iterate over the handlers delegating the call to each in turn. The chain 039 * ends if an exception is thrown. 040 * 041 * @see ExceptionHandler#handleException(RepeatContext, Throwable) 042 */ 043 @Override 044 public void handleException(RepeatContext context, Throwable throwable) throws Throwable { 045 for (int i = 0; i < handlers.length; i++) { 046 ExceptionHandler handler = handlers[i]; 047 handler.handleException(context, throwable); 048 } 049 } 050}