Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/DischargeInfoXML.java @ 4284:7a94d5e7fc3d

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Write the "hidden" attribute of a style into the collection's attribute when using the theme editor. Otherwise, the next time using the theme editor, the hidden attributes that should not be changed by the user are visible.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 29 Oct 2012 07:18:42 +0100
parents 67468c90ca68
children
rev   line source
1600
67468c90ca68 Added service to request discharge infos at a specific gauge.
Raimund Renkert <raimund.renkert@intevation.de>
parents:
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1 package de.intevation.flys.client.server;
67468c90ca68 Added service to request discharge infos at a specific gauge.
Raimund Renkert <raimund.renkert@intevation.de>
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2
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Raimund Renkert <raimund.renkert@intevation.de>
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3 import java.io.InputStream;
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Raimund Renkert <raimund.renkert@intevation.de>
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4 import java.io.IOException;
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Raimund Renkert <raimund.renkert@intevation.de>
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5 import java.io.OutputStream;
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Raimund Renkert <raimund.renkert@intevation.de>
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6
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Raimund Renkert <raimund.renkert@intevation.de>
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7 import org.w3c.dom.Document;
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8 import org.w3c.dom.Element;
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9
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Raimund Renkert <raimund.renkert@intevation.de>
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10 import org.apache.log4j.Logger;
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11
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Raimund Renkert <raimund.renkert@intevation.de>
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12 import javax.servlet.http.HttpServlet;
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Raimund Renkert <raimund.renkert@intevation.de>
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13 import javax.servlet.http.HttpServletRequest;
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14 import javax.servlet.http.HttpServletResponse;
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15
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Raimund Renkert <raimund.renkert@intevation.de>
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16 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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Raimund Renkert <raimund.renkert@intevation.de>
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17 import de.intevation.artifacts.common.utils.XMLUtils;
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18
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19 import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
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20 import de.intevation.artifacts.httpclient.http.HttpClient;
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Raimund Renkert <raimund.renkert@intevation.de>
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21 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
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22 import de.intevation.artifacts.httpclient.http.response.StreamResponseHandler;
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23
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24
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Raimund Renkert <raimund.renkert@intevation.de>
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25 /**
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Raimund Renkert <raimund.renkert@intevation.de>
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26 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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27 */
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28 public class DischargeInfoXML
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29 extends HttpServlet
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Raimund Renkert <raimund.renkert@intevation.de>
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30 {
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31 private static final Logger logger = Logger.getLogger(DischargeInfoXML.class);
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32
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33
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34 public static final String ERROR_NO_DISTANCEINFO_FOUND =
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35 "error_no_dischargeinfo_found";
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36
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37
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38 public void doGet(HttpServletRequest req, HttpServletResponse resp) {
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39 logger.info("DischargeInfoXML.doGet");
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40
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41 String url = getServletContext().getInitParameter("server-url");
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42
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Raimund Renkert <raimund.renkert@intevation.de>
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43 String gauge = req.getParameter("gauge");
67468c90ca68 Added service to request discharge infos at a specific gauge.
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44
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Raimund Renkert <raimund.renkert@intevation.de>
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45 Document doc = XMLUtils.newDocument();
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46
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Raimund Renkert <raimund.renkert@intevation.de>
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47 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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48 doc,
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49 ArtifactNamespaceContext.NAMESPACE_URI,
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50 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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51
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52 Element gaugeEl = ec.create("gauge");
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53 gaugeEl.setTextContent(gauge);
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54
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55 doc.appendChild(gaugeEl);
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56
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57 HttpClient client = new HttpClientImpl(url);
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58
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Raimund Renkert <raimund.renkert@intevation.de>
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59 try {
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60 InputStream in = (InputStream) client.callService(
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61 url, "dischargeinfo", doc, new StreamResponseHandler());
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62
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63 OutputStream out = resp.getOutputStream();
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64
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65 byte[] b = new byte[4096];
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Raimund Renkert <raimund.renkert@intevation.de>
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66 int i;
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67 while ((i = in.read(b)) >= 0) {
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Raimund Renkert <raimund.renkert@intevation.de>
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68 out.write(b, 0, i);
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Raimund Renkert <raimund.renkert@intevation.de>
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69 }
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70
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71 out.flush();
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Raimund Renkert <raimund.renkert@intevation.de>
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72 out.close();
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Raimund Renkert <raimund.renkert@intevation.de>
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73 }
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Raimund Renkert <raimund.renkert@intevation.de>
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74 catch (ConnectionException ce) {
67468c90ca68 Added service to request discharge infos at a specific gauge.
Raimund Renkert <raimund.renkert@intevation.de>
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75 logger.error(ce, ce);
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Raimund Renkert <raimund.renkert@intevation.de>
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76 }
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Raimund Renkert <raimund.renkert@intevation.de>
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77 catch (IOException ioe) {
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Raimund Renkert <raimund.renkert@intevation.de>
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78 logger.error(ioe, ioe);
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79 }
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80 }
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81 }
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Raimund Renkert <raimund.renkert@intevation.de>
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82 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org