1 /*
2 * Copyright 2006-2007 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.springframework.batch.repeat.exception;
18
19 import java.util.Arrays;
20
21 import org.springframework.batch.repeat.RepeatContext;
22
23 /**
24 * Composiste {@link ExceptionHandler} that loops though a list of delegates.
25 *
26 * @author Dave Syer
27 *
28 */
29 public class CompositeExceptionHandler implements ExceptionHandler {
30
31 private ExceptionHandler[] handlers = new ExceptionHandler[0];
32
33 public void setHandlers(ExceptionHandler[] handlers) {
34 this.handlers = Arrays.asList(handlers).toArray(new ExceptionHandler[handlers.length]);
35 }
36
37 /**
38 * Iterate over the handlers delegating the call to each in turn. The chain
39 * ends if an exception is thrown.
40 *
41 * @see ExceptionHandler#handleException(RepeatContext, Throwable)
42 */
43 @Override
44 public void handleException(RepeatContext context, Throwable throwable) throws Throwable {
45 for (int i = 0; i < handlers.length; i++) {
46 ExceptionHandler handler = handlers[i];
47 handler.handleException(context, throwable);
48 }
49 }
50 }