Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/PreviousArtifactStepAction.java @ 396:8330c1dbab34

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Cleanup imports gnv/trunk@548 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 15 Jan 2010 20:22:38 +0000
parents 14eecfde4607
children df78178e1180
rev   line source
394
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1 package de.intevation.gnv.action;
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2
396
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3 import de.intevation.gnv.action.sessionmodel.SessionModel;
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4 import de.intevation.gnv.action.sessionmodel.SessionModelFactory;
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5
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6 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClient;
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7 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClientFactory;
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8
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9 import de.intevation.gnv.artifactdatabase.objects.ArtifactDescription;
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10 import de.intevation.gnv.artifactdatabase.objects.ArtifactObject;
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11
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12 import de.intevation.gnv.util.ArtifactNamespaceContext;
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13 import de.intevation.gnv.util.XMLUtils;
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14 import de.intevation.gnv.util.XSLTransformer;
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16 import javax.servlet.http.HttpServletRequest;
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17 import javax.servlet.http.HttpServletResponse;
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18
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19 import javax.xml.xpath.XPathConstants;
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21 import org.apache.log4j.Logger;
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22
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23 import org.apache.struts.action.ActionForm;
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24 import org.apache.struts.action.ActionForward;
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25 import org.apache.struts.action.ActionMapping;
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26
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27 import org.w3c.dom.Node;
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28 /**
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29 * @author Ingo Weinzierl <ingo.weinzierl@intevation.de>
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30 *
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31 */
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32 public class PreviousArtifactStepAction extends ArtifactDatabaseActionBase {
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33
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34 public static final String XPATH_DYNAMIC_UI = "art:dynamic";
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35 public static final String XPATH_STATIC_UI = "art:static";
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36
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37 public static final String URL_STATE_KEY = "target";
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39 private static Logger logger =
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40 Logger.getLogger(PreviousArtifactStepAction.class);
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43 public PreviousArtifactStepAction() {
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44 super();
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45 }
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47
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48 @Override
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49 public ActionForward execute(
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50 ActionMapping mapping,
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51 ActionForm form,
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52 HttpServletRequest request,
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53 HttpServletResponse response
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54 ) throws Exception {
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55
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56 String id = request.getSession().getId();
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57
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58 SessionModel session =
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59 SessionModelFactory.getInstance().getSessionModel(request);
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60
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61 // TODO check if target is reachable
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62
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63 ArtifactDatabaseClientFactory f =
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64 ArtifactDatabaseClientFactory.getInstance();
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65 ArtifactDatabaseClient client =
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66 f.getArtifactDatabaseClient(getLocale(request));
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67
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68 ArtifactObject artifactFactory = session.getSelectedArtifactFactory();
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69 ArtifactObject currentArtifact = session.getCurrentArtifact();
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70
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71 String target = (String) request.getParameter(URL_STATE_KEY);
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72 logger.debug("Step back to previous state: " + target);
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73
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74 client.doAdvance(
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75 artifactFactory,
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76 currentArtifact,
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77 target
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78 );
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79
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80 ArtifactDescription description = client.getCurrentStepDescription(
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81 artifactFactory,
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82 currentArtifact,
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83 true
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84 );
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85
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86 Node currentUI = description.getCurrentUI();
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87 if (currentUI != null) {
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88 XSLTransformer transformer = new XSLTransformer();
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89 Node dynamicNode = (Node) XMLUtils.xpath(
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90 currentUI,
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91 XPATH_DYNAMIC_UI,
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92 XPathConstants.NODE,
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93 ArtifactNamespaceContext.INSTANCE
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94 );
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95
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96 if (dynamicNode != null) {
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97 String dynamicUI = transformer.transform(
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98 dynamicNode, "UTF-8", request.getRealPath(
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99 "WEB-INF/config/templates/describe-ui.xsl")
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100 );
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101 request.setAttribute("ui", dynamicUI);
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102 }
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103
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104 Node staticNode = (Node) XMLUtils.xpath(
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105 currentUI,
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106 XPATH_STATIC_UI,
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107 XPathConstants.NODE,
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108 ArtifactNamespaceContext.INSTANCE
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109 );
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110
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111 if (staticNode != null){
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112 String staticUI = transformer.transform(
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113 staticNode, "UTF-8", request.getRealPath(
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114 "WEB-INF/config/templates/describe-ui-static.xsl")
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115 );
14eecfde4607 Render links to step back to previous states into gui. Added controller to advance back to these states.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
116 request.setAttribute("staticui", staticUI);
14eecfde4607 Render links to step back to previous states into gui. Added controller to advance back to these states.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
117 }
14eecfde4607 Render links to step back to previous states into gui. Added controller to advance back to these states.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
118 }
14eecfde4607 Render links to step back to previous states into gui. Added controller to advance back to these states.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
119
14eecfde4607 Render links to step back to previous states into gui. Added controller to advance back to these states.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
120 return super.execute(mapping, form, request, response);
14eecfde4607 Render links to step back to previous states into gui. Added controller to advance back to these states.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
121 }
14eecfde4607 Render links to step back to previous states into gui. Added controller to advance back to these states.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
122 }
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