| /** |
| * 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.itest.async; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| |
| import org.apache.camel.Exchange; |
| import org.apache.camel.builder.RouteBuilder; |
| import org.apache.camel.component.mock.MockEndpoint; |
| import org.apache.camel.impl.SynchronizationAdapter; |
| import org.apache.camel.test.junit4.CamelTestSupport; |
| import org.junit.Test; |
| |
| /** |
| * @version |
| */ |
| public class HttpAsyncCallbackTest extends CamelTestSupport { |
| |
| @Test |
| public void testAsyncAndSyncAtSameTimeWithHttp() throws Exception { |
| MockEndpoint mock = getMockEndpoint("mock:result"); |
| mock.expectedBodiesReceivedInAnyOrder("Hello Claus", "Hello Hadrian", "Hello Willem"); |
| |
| // START SNIPPET: e3 |
| MyCallback callback = new MyCallback(); |
| |
| // Send 3 async request/reply message to the http endpoint |
| // where we let the callback handle gathering the responses |
| template.asyncCallbackRequestBody("http://localhost:9080/myservice", "Claus", callback); |
| template.asyncCallbackRequestBody("http://localhost:9080/myservice", "Hadrian", callback); |
| template.asyncCallbackRequestBody("http://localhost:9080/myservice", "Willem", callback); |
| |
| // END SNIPPET: e3 |
| assertMockEndpointsSatisfied(); |
| |
| // give on completion time to complete properly before we do assertions on its size |
| Thread.sleep(2000); |
| |
| // assert that we got all the correct data in our callback |
| assertEquals(3, callback.getData().size()); |
| assertTrue("Claus is missing", callback.getData().contains("Hello Claus")); |
| assertTrue("Hadrian is missing", callback.getData().contains("Hello Hadrian")); |
| assertTrue("Willem is missing", callback.getData().contains("Hello Willem")); |
| } |
| |
| // START SNIPPET: e2 |
| /** |
| * Our own callback that will gather all the responses. |
| * We extend the SynchronizationAdapter class as we then only need to override the onComplete method. |
| */ |
| private class MyCallback extends SynchronizationAdapter { |
| |
| private List<String> data = new ArrayList<String>(); |
| |
| @Override |
| public void onComplete(Exchange exchange) { |
| // this method is invoked when the exchange was a success and we can get the response |
| String body = exchange.getOut().getBody(String.class); |
| data.add(body); |
| } |
| |
| public List<String> getData() { |
| return data; |
| } |
| } |
| // END SNIPPET: e2 |
| |
| @Override |
| protected RouteBuilder createRouteBuilder() throws Exception { |
| return new RouteBuilder() { |
| @Override |
| public void configure() throws Exception { |
| // START SNIPPET: e1 |
| // The mocks are here for unit test |
| // Simulate a slow http service (delaying 1 sec) we want to invoke async |
| from("jetty:http://0.0.0.0:9080/myservice") |
| .delay(1000) |
| .transform(body().prepend("Hello ")) |
| .to("mock:result"); |
| // END SNIPPET: e1 |
| } |
| }; |
| } |
| |
| } |