[1374] | 1 | // Copyright 2012 Georg-August-Universität Göttingen, Germany |
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| 2 | // |
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| 3 | // Licensed under the Apache License, Version 2.0 (the "License"); |
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| 4 | // you may not use this file except in compliance with the License. |
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| 5 | // You may obtain a copy of the License at |
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| 6 | // |
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| 7 | // http://www.apache.org/licenses/LICENSE-2.0 |
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| 8 | // |
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| 9 | // Unless required by applicable law or agreed to in writing, software |
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| 10 | // distributed under the License is distributed on an "AS IS" BASIS, |
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| 11 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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| 12 | // See the License for the specific language governing permissions and |
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| 13 | // limitations under the License. |
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| 14 | |
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| 15 | package de.ugoe.cs.autoquest.httpmonitor.proxy; |
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| 16 | |
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| 17 | import java.io.IOException; |
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| 18 | import java.io.OutputStreamWriter; |
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| 19 | import java.util.logging.Level; |
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| 20 | |
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| 21 | import javax.xml.bind.JAXBContext; |
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| 22 | import javax.xml.bind.JAXBException; |
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| 23 | import javax.xml.bind.Marshaller; |
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| 24 | |
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| 25 | import org.eclipse.jetty.client.api.Request; |
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| 26 | import org.eclipse.jetty.client.api.Result; |
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| 27 | import org.eclipse.jetty.client.util.OutputStreamContentProvider; |
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| 28 | import org.eclipse.jetty.http.HttpMethod; |
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| 29 | import org.eclipse.jetty.http.HttpVersion; |
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| 30 | |
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[1382] | 31 | import de.ugoe.cs.autoquest.httpmonitor.HttpMonitor; |
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[1374] | 32 | import de.ugoe.cs.autoquest.httpmonitor.HttpMonitorExchangeHandler; |
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[1561] | 33 | import de.ugoe.cs.autoquest.plugin.http.logdata.HttpExchange; |
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| 34 | import de.ugoe.cs.autoquest.plugin.http.logdata.ObjectFactory; |
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[1374] | 35 | import de.ugoe.cs.util.console.Console; |
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| 36 | |
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| 37 | /** |
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| 38 | * <p> |
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[1382] | 39 | * If the exchanges recorded by the proxy are to be transmitted to a central {@link HttpMonitor}, |
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| 40 | * this exchanges handler is used. It is called by the exchange listener on completion of a proxied |
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| 41 | * request/response. It then creates an HTTP request to the central monitor and sends it there. |
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| 42 | * It is initialized with the name of the server and the port on which the central monitor runs. |
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[1991] | 43 | * If the exchanges cannot be forwarded to the central server, they are discarded. |
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[1374] | 44 | * </p> |
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| 45 | * |
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| 46 | * @author Patrick Harms |
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| 47 | */ |
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| 48 | public class HttpMonitorRemoteExchangeHandler |
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[1991] | 49 | extends HttpMonitorRemoteConnection |
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| 50 | implements HttpMonitorExchangeHandler |
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[1374] | 51 | { |
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| 52 | |
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[1382] | 53 | /** |
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| 54 | * <p> |
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| 55 | * initializes the exchange handler with the host and port of the central server |
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[1374] | 56 | * </p> |
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| 57 | * |
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[1382] | 58 | * @param httpMonitorServer the host name of the central server |
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| 59 | * @param httpMonitorPort the port of the central server |
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[1374] | 60 | */ |
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| 61 | public HttpMonitorRemoteExchangeHandler(String httpMonitorServer, int httpMonitorPort) { |
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[1991] | 62 | super(httpMonitorServer, httpMonitorPort); |
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[1374] | 63 | } |
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| 64 | |
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| 65 | /* (non-Javadoc) |
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| 66 | * @see de.ugoe.cs.autoquest.httpmonitor.HttpMonitorExchangeHandler#handleHttpExchange() |
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| 67 | */ |
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| 68 | @Override |
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[1614] | 69 | public synchronized void handleHttpExchange(HttpExchange httpExchange) { |
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[1374] | 70 | // send the exchange to the server and wait for completion |
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[1991] | 71 | Request httpMonitorRequest = super.newRequest(); |
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[1614] | 72 | httpMonitorRequest.method(HttpMethod.POST); |
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| 73 | httpMonitorRequest.version(HttpVersion.HTTP_1_1); |
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[1374] | 74 | |
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[1614] | 75 | OutputStreamContentProvider out = new OutputStreamContentProvider(); |
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| 76 | httpMonitorRequest.content(out); |
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| 77 | |
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[1991] | 78 | super.sendRequest(httpMonitorRequest); |
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[1374] | 79 | |
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[1614] | 80 | try { |
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| 81 | JAXBContext jaxbContext = |
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| 82 | JAXBContext.newInstance(HttpExchange.class.getPackage().getName()); |
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| 83 | Marshaller marshaller = jaxbContext.createMarshaller(); |
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[1374] | 84 | |
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[1614] | 85 | OutputStreamWriter writer = new OutputStreamWriter(out.getOutputStream(), "UTF-8"); |
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| 86 | marshaller.marshal(new ObjectFactory().createHttpExchange(httpExchange), writer); |
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[1374] | 87 | |
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[1614] | 88 | out.getOutputStream().close(); |
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| 89 | } |
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| 90 | catch (JAXBException e) { |
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| 91 | Console.printerrln("could not convert request and response to XML string: " + e); |
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| 92 | Console.logException(e); |
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| 93 | } |
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| 94 | catch (IOException e) { |
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| 95 | Console.printerrln |
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[1374] | 96 | ("could not close the stream for sending data to the HTML monitor: " + e); |
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[1614] | 97 | Console.logException(e); |
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| 98 | } |
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[1991] | 99 | |
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| 100 | // wait to ensure that the request was received |
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| 101 | Result result = super.getResult(httpMonitorRequest); |
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| 102 | |
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[1374] | 103 | if (result.isFailed()) { |
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| 104 | Console.traceln |
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| 105 | (Level.WARNING, "could not log exchange correctly: " + result.getFailure()); |
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| 106 | Console.logException((Exception) result.getFailure()); |
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| 107 | } |
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| 108 | } |
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| 109 | } |
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