Java tutorial
/** * 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 camelinaction; import java.io.File; import org.apache.camel.CamelExecutionException; import org.apache.camel.test.spring.CamelSpringTestSupport; import org.junit.Test; import org.springframework.context.support.AbstractXmlApplicationContext; import org.springframework.context.support.ClassPathXmlApplicationContext; /** * Demonstrates how to use OnCompletion in Spring XML. * * @version $Revision$ */ public class SpringFileRollbackTest extends CamelSpringTestSupport { @Override protected AbstractXmlApplicationContext createApplicationContext() { return new ClassPathXmlApplicationContext("META-INF/spring/filerollback.xml"); } @Override public void setUp() throws Exception { deleteDirectory("target/mail/backup"); super.setUp(); } @Test public void testOk() throws Exception { template.sendBodyAndHeader("direct:confirm", "bumper", "to", "someone@somewhere.org"); File file = new File("target/mail/backup/"); String[] files = file.list(); assertEquals("There should be one file", 1, files.length); } @Test public void testRollback() throws Exception { try { template.sendBodyAndHeader("direct:confirm", "bumper", "to", "FATAL"); fail("Should have thrown an exception"); } catch (CamelExecutionException e) { assertIsInstanceOf(IllegalArgumentException.class, e.getCause()); assertEquals("Simulated fatal error", e.getCause().getMessage()); } // give time for onCompletion to execute // as its being executed asynchronously in another thread Thread.sleep(1000); File file = new File("target/mail/backup/"); String[] files = file.list(); assertEquals("There should be no files", 0, files.length); } }