Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/DischargeInfoXML.java @ 8870:c26fb37899ca

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Introduced groups for modules. Modules marked with the same group-id, will be put together in the ui. Also using now the localization info from the server instead of localizing the modules again on the client side.
author gernotbelger
date Wed, 07 Feb 2018 11:59:13 +0100
parents 238fc722f87a
children 0a5239a1e46e
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.client.server;
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10
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11 import java.io.InputStream;
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12 import java.io.IOException;
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13 import java.io.OutputStream;
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14
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15 import org.w3c.dom.Document;
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16 import org.w3c.dom.Element;
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17
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18 import org.apache.log4j.Logger;
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19
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20 import javax.servlet.http.HttpServlet;
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21 import javax.servlet.http.HttpServletRequest;
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22 import javax.servlet.http.HttpServletResponse;
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23
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24 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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25 import org.dive4elements.artifacts.common.utils.XMLUtils;
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26
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27 import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException;
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28 import org.dive4elements.artifacts.httpclient.http.HttpClient;
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29 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl;
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30 import org.dive4elements.artifacts.httpclient.http.response.StreamResponseHandler;
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31
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32
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33 /**
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34 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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35 */
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36 public class DischargeInfoXML
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37 extends HttpServlet
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38 {
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39 private static final Logger log = Logger.getLogger(DischargeInfoXML.class);
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40
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41
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42 public static final String ERROR_NO_DISTANCEINFO_FOUND =
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43 "error_no_dischargeinfo_found";
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44
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45
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46 public void doGet(HttpServletRequest req, HttpServletResponse resp) {
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47 log.info("DischargeInfoXML.doGet");
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48
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49 String url = getServletContext().getInitParameter("server-url");
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50
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51 String gauge = req.getParameter("gauge");
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52
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53 String river = req.getParameter("river");
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54
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55 Document doc = XMLUtils.newDocument();
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56
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57 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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58 doc,
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59 ArtifactNamespaceContext.NAMESPACE_URI,
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60 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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61
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62 Element gaugeEl = ec.create("gauge");
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63 gaugeEl.setTextContent(gauge);
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64
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65 if (river != null && !river.isEmpty()) {
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66 Element riverEl = ec.create("river");
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67 riverEl.setTextContent(river);
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68 gaugeEl.appendChild(riverEl);
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69 }
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70
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71 doc.appendChild(gaugeEl);
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72
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73 HttpClient client = new HttpClientImpl(url);
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74
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75 try {
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76 InputStream in = (InputStream) client.callService(
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77 url, "dischargeinfo", doc, new StreamResponseHandler());
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78
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79 OutputStream out = resp.getOutputStream();
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80
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81 byte[] b = new byte[4096];
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82 int i;
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83 while ((i = in.read(b)) >= 0) {
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84 out.write(b, 0, i);
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85 }
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86
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87 out.flush();
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88 out.close();
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89 }
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90 catch (ConnectionException ce) {
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91 log.error(ce, ce);
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92 }
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93 catch (IOException ioe) {
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94 log.error(ioe, ioe);
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95 }
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96 }
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97 }
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98 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org