| Classes in this File | Line Coverage | Branch Coverage | Complexity | ||||||||
| CamelServlet |
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| 0.0;0 |
| 1 | /** |
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| 2 | * |
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| 3 | * Licensed to the Apache Software Foundation (ASF) under one or more |
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| 4 | * contributor license agreements. See the NOTICE file distributed with |
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| 5 | * this work for additional information regarding copyright ownership. |
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| 6 | * The ASF licenses this file to You under the Apache License, Version 2.0 |
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| 7 | * (the "License"); you may not use this file except in compliance with |
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| 8 | * the License. You may obtain a copy of the License at |
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| 9 | * |
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| 10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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| 11 | * |
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| 12 | * Unless required by applicable law or agreed to in writing, software |
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| 13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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| 14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 15 | * See the License for the specific language governing permissions and |
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| 16 | * limitations under the License. |
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| 17 | */ |
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| 18 | package org.apache.camel.component.http; |
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| 19 | ||
| 20 | import java.io.IOException; |
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| 21 | import java.util.concurrent.ConcurrentHashMap; |
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| 22 | ||
| 23 | import javax.servlet.ServletException; |
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| 24 | import javax.servlet.http.HttpServlet; |
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| 25 | import javax.servlet.http.HttpServletRequest; |
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| 26 | import javax.servlet.http.HttpServletResponse; |
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| 27 | ||
| 28 | /** |
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| 29 | * @version $Revision: 549890 $ |
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| 30 | */ |
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| 31 | public class CamelServlet extends HttpServlet { |
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| 32 | ||
| 33 | 2 | private ConcurrentHashMap<String, HttpConsumer> consumers=new ConcurrentHashMap<String, HttpConsumer>(); |
| 34 | ||
| 35 | 2 | public CamelServlet() { |
| 36 | 2 | } |
| 37 | ||
| 38 | @Override |
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| 39 | protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { |
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| 40 | try { |
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| 41 | ||
| 42 | // Is there a consumer registered for the request. |
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| 43 | 2 | HttpConsumer consumer = resolve(request); |
| 44 | 2 | if( consumer == null ) { |
| 45 | 0 | response.sendError(HttpServletResponse.SC_NOT_FOUND); |
| 46 | 0 | return; |
| 47 | } |
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| 48 | ||
| 49 | // Have the camel process the HTTP exchange. |
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| 50 | 2 | HttpExchange exchange = new HttpExchange(consumer.getEndpoint(), request, response); |
| 51 | 2 | consumer.getProcessor().process(exchange); |
| 52 | ||
| 53 | // HC: The getBinding() is interesting because it illustrates the impedance miss-match between |
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| 54 | // HTTP's stream oriented protocol, and Camels more message oriented protocol exchanges. |
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| 55 | ||
| 56 | // now lets output to the response |
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| 57 | 2 | consumer.getBinding().writeResponse(exchange); |
| 58 | ||
| 59 | 0 | } catch (Exception e) { |
| 60 | 0 | throw new ServletException(e); |
| 61 | 2 | } |
| 62 | 2 | } |
| 63 | ||
| 64 | protected HttpConsumer resolve(HttpServletRequest request) { |
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| 65 | 2 | String path = request.getPathInfo(); |
| 66 | 2 | return consumers.get(path); |
| 67 | } |
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| 68 | ||
| 69 | public void connect(HttpConsumer consumer) { |
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| 70 | 2 | consumers.put(consumer.getPath(), consumer); |
| 71 | 2 | } |
| 72 | ||
| 73 | public void disconnect(HttpConsumer consumer) { |
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| 74 | 2 | consumers.remove(consumer.getPath()); |
| 75 | 2 | } |
| 76 | ||
| 77 | } |