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}