Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/StoreAction.java @ 1022:28a0628b11b0

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Added license file and license header. gnv/trunk@1258 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 02 Nov 2010 17:15:08 +0000
parents 33198e55371c
children
rev   line source
1022
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1 /*
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2 * Copyright (c) 2010 by Intevation GmbH
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3 *
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4 * This program is free software under the LGPL (>=v2.1)
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5 * Read the file LGPL.txt coming with the software for details
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8
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9 package de.intevation.gnv.action;
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10
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11 import java.io.OutputStream;
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12
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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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16 import org.apache.log4j.Logger;
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17 import org.apache.struts.action.ActionForm;
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18 import org.apache.struts.action.ActionForward;
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19 import org.apache.struts.action.ActionMapping;
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20
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21 import de.intevation.gnv.action.sessionmodel.SessionModel;
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22 import de.intevation.gnv.action.sessionmodel.SessionModelFactory;
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23 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClient;
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24 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClientFactory;
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25 import de.intevation.gnv.artifactdatabase.objects.ArtifactObject;
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26
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27 /**
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28 * This controller is used to save the current artifact to an xml file. A file
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29 * dialog is opened to save the file to the local disk.
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30 *
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31 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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32 */
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33 public class StoreAction extends ArtifactDatabaseActionBase {
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34
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35 public static final String RESOURCE_DOWNLOAD_FAILURE = "no.artifact.chosen";
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36
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37 /**
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38 * the logger, used to log exceptions and additonaly information
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39 */
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40 private static Logger logger = Logger.getLogger(StoreAction.class);
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41
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42 /**
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43 * Constructor
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44 */
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45 public StoreAction() {
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46 super();
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47 }
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48
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49 @Override
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50 public ActionForward execute(
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51 ActionMapping mapping,
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52 ActionForm form,
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53 HttpServletRequest request,
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54 HttpServletResponse response)
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55 throws Exception
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56 {
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57 if (isSessionExhausted(request)) {
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58 return sessionExhaustedForward(mapping, form, request, response);
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59 }
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60
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61 SessionModelFactory sf = SessionModelFactory.getInstance();
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62 SessionModel sm = sf.getSessionModel(request);
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63
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64 ArtifactDatabaseClientFactory adcf =
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65 ArtifactDatabaseClientFactory.getInstance();
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66 ArtifactDatabaseClient adc =
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67 adcf.getArtifactDatabaseClient(getLocale(request));
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68 ArtifactObject artifact = sm.getCurrentArtifact();
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69
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70 // no artifact set at the moment (which means, the user didn't select a
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71 // fis yet.
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72 if (artifact == null) {
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73 logger.warn("No artifact/fis selected yet.");
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74
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75 request.setAttribute(
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76 CommunicationKeys.REQUEST_EXCEPTION_PROJECT,
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77 RESOURCE_DOWNLOAD_FAILURE);
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78
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79 return super.execute(mapping, form, request, response);
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80 }
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81
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82 logger.info("Export artifact " + artifact.getId());
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83 setHeaders(response, artifact.getId());
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84
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85 OutputStream out = response.getOutputStream();
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86 adc.doExport(
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87 sm.getSelectedArtifactFactory(),
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88 artifact,
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89 out);
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90
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91 out.flush();
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92 out.close();
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93
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94 return null;
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95 }
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96
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97 /**
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98 * Sets the header of the response.
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99 * @param response the response
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100 * @param uuid the uuid of the artifact
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101 */
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102 protected void setHeaders(HttpServletResponse response, String uuid) {
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103 String filename = "GNVArtefakt_" + uuid + ".xml";
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104
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105 response.setHeader("Content-Type", "application/xml");
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106 response.setHeader(
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107 "Content-Disposition",
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108 "attachment;filename=" + filename);
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109 }
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110 }
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111 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org