| /** |
| * 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.builder; |
| |
| import java.io.IOException; |
| import java.net.ConnectException; |
| |
| import org.apache.camel.ContextTestSupport; |
| import org.apache.camel.Exchange; |
| import org.apache.camel.Processor; |
| import org.apache.camel.RuntimeCamelException; |
| import org.apache.camel.component.mock.MockEndpoint; |
| |
| /** |
| * Unit test to test exception configuration |
| */ |
| public class ExceptionBuilderWithHandledExceptionTest extends ContextTestSupport { |
| |
| private static final String MESSAGE_INFO = "messageInfo"; |
| private static final String RESULT_QUEUE = "mock:result"; |
| private static final String ERROR_QUEUE = "mock:error"; |
| |
| public void testHandledException() throws Exception { |
| MockEndpoint result = getMockEndpoint(RESULT_QUEUE); |
| result.expectedMessageCount(0); |
| MockEndpoint mock = getMockEndpoint(ERROR_QUEUE); |
| mock.expectedMessageCount(1); |
| mock.expectedHeaderReceived(MESSAGE_INFO, "Handled exchange with NullPointerException"); |
| |
| template.sendBody("direct:a", "Hello NPE"); |
| MockEndpoint.assertIsSatisfied(result, mock); |
| } |
| |
| public void testHandledExceptionWithExpression() throws Exception { |
| MockEndpoint result = getMockEndpoint(RESULT_QUEUE); |
| result.expectedMessageCount(0); |
| MockEndpoint mock = getMockEndpoint(ERROR_QUEUE); |
| mock.expectedMessageCount(1); |
| mock.expectedHeaderReceived(MESSAGE_INFO, "Handled exchange with IOException"); |
| |
| template.sendBodyAndHeader("direct:a", "Hello IOE", "foo", "bar"); |
| MockEndpoint.assertIsSatisfied(result, mock); |
| } |
| |
| public void testUnhandledException() throws Exception { |
| MockEndpoint result = getMockEndpoint(RESULT_QUEUE); |
| result.expectedMessageCount(0); |
| MockEndpoint mock = getMockEndpoint(ERROR_QUEUE); |
| mock.expectedMessageCount(1); |
| mock.expectedHeaderReceived(MESSAGE_INFO, "Handled exchange with IOException"); |
| |
| try { |
| template.sendBodyAndHeader("direct:a", "Hello IOE", "foo", "something that does not match"); |
| fail("Should have thrown a IOException"); |
| } catch (RuntimeCamelException e) { |
| assertTrue(e.getCause() instanceof IOException); |
| // expected, failure is not handled because predicate doesn't match |
| } |
| |
| MockEndpoint.assertIsSatisfied(result, mock); |
| } |
| |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| public void configure() throws Exception { |
| errorHandler(deadLetterChannel("mock:error").redeliveryDelay(0).maximumRedeliveries(3)); |
| |
| // START SNIPPET: exceptionBuilder1 |
| onException(NullPointerException.class) |
| .maximumRedeliveries(0) |
| .handled(true) |
| .setHeader(MESSAGE_INFO, constant("Handled exchange with NullPointerException")) |
| .to(ERROR_QUEUE); |
| |
| onException(IOException.class) |
| .maximumRedeliveries(0) |
| .handled(header("foo").isEqualTo("bar")) |
| .setHeader(MESSAGE_INFO, constant("Handled exchange with IOException")) |
| .to(ERROR_QUEUE); |
| // END SNIPPET: exceptionBuilder1 |
| |
| from("direct:a").process(new Processor() { |
| public void process(Exchange exchange) throws Exception { |
| String s = exchange.getIn().getBody(String.class); |
| if ("Hello NPE".equals(s)) { |
| throw new NullPointerException(); |
| } else if ("Hello IOE".equals(s)) { |
| // specialized IOException |
| throw new ConnectException("Forced for testing - cannot connect to remote server"); |
| } |
| exchange.getOut().setBody("Hello World"); |
| } |
| }).to("mock:result"); |
| } |
| }; |
| } |
| } |