Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/server/ExportServiceImpl.java @ 4249:7a889098bcc6
Extend the client RiverInfo model to support MeasurementStations
Add method to receive the MeasurementStations from a RiverInfo. Also add methods
to set the GaugeInfo and MeasurementStation to the DefaultRiverInfo.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Wed, 24 Oct 2012 17:00:37 +0200 |
parents | def13f23bb27 |
children | 94b95e002fb9 |
rev | line source |
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Added a service to export data from the artifact server.
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1 package de.intevation.flys.client.server; |
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2 |
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3 import java.io.OutputStream; |
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4 import java.io.IOException; |
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5 |
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6 import org.w3c.dom.Document; |
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7 import org.w3c.dom.Element; |
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8 |
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9 import org.apache.log4j.Logger; |
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10 |
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11 import javax.servlet.http.HttpServlet; |
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12 import javax.servlet.http.HttpServletRequest; |
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13 import javax.servlet.http.HttpServletResponse; |
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14 |
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15 import de.intevation.artifacts.common.utils.ClientProtocolUtils; |
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16 import de.intevation.artifacts.common.utils.XMLUtils; |
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17 |
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18 import de.intevation.artifacts.httpclient.http.HttpClient; |
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19 import de.intevation.artifacts.httpclient.http.HttpClientImpl; |
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20 |
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21 |
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22 /** |
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23 * This service is used to request a data export from the artifact server. The |
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24 * response is directed directly to the output stream, so that a file dialog is |
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25 * opened. |
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26 * |
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27 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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28 */ |
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29 public class ExportServiceImpl |
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30 extends HttpServlet |
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31 { |
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32 private static final Logger logger = |
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33 Logger.getLogger(ExportServiceImpl.class); |
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34 |
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35 |
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36 public void doGet(HttpServletRequest req, HttpServletResponse resp) { |
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37 logger.info("ExportServiceImpl.doGet"); |
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38 |
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39 try { |
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40 OutputStream out = resp.getOutputStream(); |
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41 |
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42 String url = getServletContext().getInitParameter("server-url"); |
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43 String uuid = req.getParameter("uuid"); |
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44 String mode = req.getParameter("mode"); |
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45 String type = req.getParameter("type"); |
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46 String locale = req.getParameter("locale"); |
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47 String km = req.getParameter("km"); |
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48 String fn = mode + "." + type; |
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49 |
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50 resp.setHeader("Content-Disposition", "attachment;filename=" + fn); |
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51 |
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52 if (logger.isDebugEnabled()) { |
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53 logger.debug("Request " + type + " export."); |
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54 } |
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55 |
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56 Document attr = null; |
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57 if (km != null && km.length() > 0) { |
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58 attr = XMLUtils.newDocument(); |
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59 XMLUtils.ElementCreator ec = |
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60 new XMLUtils.ElementCreator(attr, null, null); |
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61 Element e = ec.create("km"); |
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62 e.setTextContent(km); |
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63 attr.appendChild(e); |
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64 } |
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65 Document request = ClientProtocolUtils.newOutCollectionDocument( |
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66 uuid, mode, type, attr); |
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67 HttpClient client = new HttpClientImpl(url, locale); |
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68 client.collectionOut(request, uuid, mode, out); |
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69 |
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70 out.close(); |
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71 out.flush(); |
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72 } |
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73 catch (IOException ioe) { |
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74 logger.error(ioe, ioe); |
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75 } |
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76 } |
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77 } |
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78 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |