/**
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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
*
* http://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.apache.camel.processor;
import java.util.ArrayList;
import java.util.List;
import junit.framework.TestCase;
import org.apache.camel.Exchange;
import org.apache.camel.model.OnExceptionDefinition;
public class ErrorHandlerSupportTest extends TestCase {
public void testOnePolicyChildFirst() {
List<Class> exceptions = new ArrayList<Class>();
exceptions.add(ChildException.class);
exceptions.add(ParentException.class);
ErrorHandlerSupport support = new ShuntErrorHandlerSupport();
support.addExceptionPolicy(new OnExceptionDefinition(exceptions));
assertEquals(ChildException.class, getExceptionPolicyFor(support, new ChildException(), 0));
assertEquals(ParentException.class, getExceptionPolicyFor(support, new ParentException(), 1));
}
public void testOnePolicyChildLast() {
List<Class> exceptions = new ArrayList<Class>();
exceptions.add(ParentException.class);
exceptions.add(ChildException.class);
ErrorHandlerSupport support = new ShuntErrorHandlerSupport();
support.addExceptionPolicy(new OnExceptionDefinition(exceptions));
assertEquals(ChildException.class, getExceptionPolicyFor(support, new ChildException(), 1));
assertEquals(ParentException.class, getExceptionPolicyFor(support, new ParentException(), 0));
}
public void testTwoPolicyChildFirst() {
ErrorHandlerSupport support = new ShuntErrorHandlerSupport();
support.addExceptionPolicy(new OnExceptionDefinition(ChildException.class));
support.addExceptionPolicy(new OnExceptionDefinition(ParentException.class));
assertEquals(ChildException.class, getExceptionPolicyFor(support, new ChildException(), 0));
assertEquals(ParentException.class, getExceptionPolicyFor(support, new ParentException(), 0));
}
public void testTwoPolicyChildLast() {
ErrorHandlerSupport support = new ShuntErrorHandlerSupport();
support.addExceptionPolicy(new OnExceptionDefinition(ParentException.class));
support.addExceptionPolicy(new OnExceptionDefinition(ChildException.class));
assertEquals(ChildException.class, getExceptionPolicyFor(support, new ChildException(), 0));
assertEquals(ParentException.class, getExceptionPolicyFor(support, new ParentException(), 0));
}
private static Class getExceptionPolicyFor(ErrorHandlerSupport support, Throwable childException,
int index) {
return support.getExceptionPolicy(null, childException).getExceptionClasses().get(index);
}
private static class ParentException extends Exception {
}
private static class ChildException extends ParentException {
}
private static class ShuntErrorHandlerSupport extends ErrorHandlerSupport {
protected void doStart() throws Exception {
}
protected void doStop() throws Exception {
}
public boolean supportTransacted() {
return false;
}
public void process(Exchange exchange) throws Exception {
}
}
}