| /** |
| * 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 java.security.GeneralSecurityException; |
| import java.security.KeyException; |
| import java.security.KeyManagementException; |
| |
| import org.apache.camel.CamelExchangeException; |
| 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 ExceptionBuilderTest 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"; |
| private static final String BUSINESS_ERROR_QUEUE = "mock:badBusiness"; |
| private static final String SECURITY_ERROR_QUEUE = "mock:securityError"; |
| |
| public void testNPE() throws Exception { |
| MockEndpoint result = getMockEndpoint(RESULT_QUEUE); |
| result.expectedMessageCount(0); |
| MockEndpoint mock = getMockEndpoint(ERROR_QUEUE); |
| mock.expectedMessageCount(1); |
| mock.expectedHeaderReceived(MESSAGE_INFO, "Damm a NPE"); |
| |
| try { |
| template.sendBody("direct:a", "Hello NPE"); |
| fail("Should have thrown a NullPointerException"); |
| } catch (RuntimeCamelException e) { |
| assertTrue(e.getCause() instanceof NullPointerException); |
| // expected |
| } |
| |
| MockEndpoint.assertIsSatisfied(result, mock); |
| } |
| |
| public void testIOException() throws Exception { |
| MockEndpoint result = getMockEndpoint(RESULT_QUEUE); |
| result.expectedMessageCount(0); |
| MockEndpoint mock = getMockEndpoint(ERROR_QUEUE); |
| mock.expectedMessageCount(1); |
| mock.expectedHeaderReceived(MESSAGE_INFO, "Damm somekind of IO exception"); |
| |
| try { |
| template.sendBody("direct:a", "Hello IO"); |
| fail("Should have thrown a IOException"); |
| } catch (RuntimeCamelException e) { |
| assertTrue(e.getCause() instanceof IOException); |
| // expected |
| } |
| |
| MockEndpoint.assertIsSatisfied(result, mock); |
| } |
| |
| public void testException() throws Exception { |
| MockEndpoint result = getMockEndpoint(RESULT_QUEUE); |
| result.expectedMessageCount(0); |
| MockEndpoint mock = getMockEndpoint(ERROR_QUEUE); |
| mock.expectedMessageCount(1); |
| mock.expectedHeaderReceived(MESSAGE_INFO, "Damm just exception"); |
| |
| try { |
| template.sendBody("direct:a", "Hello Exception"); |
| fail("Should have thrown a Exception"); |
| } catch (RuntimeCamelException e) { |
| assertTrue(e.getCause() instanceof Exception); |
| // expected |
| } |
| |
| MockEndpoint.assertIsSatisfied(result, mock); |
| } |
| |
| public void testMyBusinessException() throws Exception { |
| MockEndpoint result = getMockEndpoint(RESULT_QUEUE); |
| result.expectedMessageCount(0); |
| MockEndpoint mock = getMockEndpoint(BUSINESS_ERROR_QUEUE); |
| mock.expectedMessageCount(1); |
| mock.expectedHeaderReceived(MESSAGE_INFO, "Damm my business is not going to well"); |
| |
| try { |
| template.sendBody("direct:a", "Hello business"); |
| fail("Should have thrown a MyBusinessException"); |
| } catch (RuntimeCamelException e) { |
| assertTrue(e.getCause() instanceof MyBusinessException); |
| // expected |
| } |
| |
| MockEndpoint.assertIsSatisfied(result, mock); |
| } |
| |
| public void testSecurityConfiguredWithTwoExceptions() throws Exception { |
| // test that we also handles a configuration with 2 or more exceptions |
| MockEndpoint result = getMockEndpoint(RESULT_QUEUE); |
| result.expectedMessageCount(0); |
| MockEndpoint mock = getMockEndpoint(SECURITY_ERROR_QUEUE); |
| mock.expectedMessageCount(1); |
| mock.expectedHeaderReceived(MESSAGE_INFO, "Damm some security error"); |
| |
| try { |
| template.sendBody("direct:a", "I am not allowed to do this"); |
| fail("Should have thrown a GeneralSecurityException"); |
| } catch (RuntimeCamelException e) { |
| assertTrue(e.getCause() instanceof GeneralSecurityException); |
| // expected |
| } |
| |
| MockEndpoint.assertIsSatisfied(result, mock); |
| } |
| |
| public void testSecurityConfiguredWithExceptionList() throws Exception { |
| // test that we also handles a configuration with a list of exceptions |
| MockEndpoint result = getMockEndpoint(RESULT_QUEUE); |
| result.expectedMessageCount(0); |
| MockEndpoint mock = getMockEndpoint(ERROR_QUEUE); |
| mock.expectedMessageCount(1); |
| mock.expectedHeaderReceived(MESSAGE_INFO, "Damm some access error"); |
| |
| try { |
| template.sendBody("direct:a", "I am not allowed to access this"); |
| fail("Should have thrown a GeneralSecurityException"); |
| } catch (RuntimeCamelException e) { |
| assertTrue(e.getCause() instanceof IllegalAccessException); |
| // expected |
| } |
| |
| MockEndpoint.assertIsSatisfied(result, mock); |
| } |
| |
| public static class MyBaseBusinessException extends Exception { |
| private static final long serialVersionUID = 1L; |
| } |
| |
| public static class MyBusinessException extends MyBaseBusinessException { |
| private static final long serialVersionUID = 1L; |
| } |
| |
| 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) |
| .setHeader(MESSAGE_INFO, constant("Damm a NPE")) |
| .to(ERROR_QUEUE); |
| |
| onException(IOException.class) |
| .redeliveryDelay(100L) |
| .maximumRedeliveries(3) |
| .maximumRedeliveryDelay(30 * 1000L) |
| .backOffMultiplier(1.0) |
| .useExponentialBackOff() |
| .setHeader(MESSAGE_INFO, constant("Damm somekind of IO exception")) |
| .to(ERROR_QUEUE); |
| |
| onException(Exception.class) |
| .redeliveryDelay(100L) |
| .maximumRedeliveries(2) |
| .setHeader(MESSAGE_INFO, constant("Damm just exception")) |
| .to(ERROR_QUEUE); |
| |
| onException(MyBaseBusinessException.class) |
| .redeliveryDelay(100L) |
| .maximumRedeliveries(3) |
| .setHeader(MESSAGE_INFO, constant("Damm my business is not going to well")) |
| .to(BUSINESS_ERROR_QUEUE); |
| |
| onException(GeneralSecurityException.class, KeyException.class) |
| .maximumRedeliveries(1) |
| .setHeader(MESSAGE_INFO, constant("Damm some security error")) |
| .to(SECURITY_ERROR_QUEUE); |
| |
| onException(InstantiationException.class, IllegalAccessException.class, ClassNotFoundException.class) |
| .maximumRedeliveries(0) |
| .setHeader(MESSAGE_INFO, constant("Damm some access error")) |
| .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 IO".equals(s)) { |
| throw new ConnectException("Forced for testing - cannot connect to remote server"); |
| } else if ("Hello Exception".equals(s)) { |
| throw new CamelExchangeException("Forced for testing", exchange); |
| } else if ("Hello business".equals(s)) { |
| throw new MyBusinessException(); |
| } else if ("I am not allowed to do this".equals(s)) { |
| throw new KeyManagementException(); |
| } else if ("I am not allowed to access this".equals(s)) { |
| throw new IllegalAccessException(); |
| } |
| exchange.getOut().setBody("Hello World"); |
| } |
| }).to("mock:result"); |
| } |
| }; |
| } |
| } |
| |
| |