Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/NextArtifactStepAction.java @ 30:07e9c137a2f1

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Added dynamic Outputparameter Support and Outputparameter-manipulation gnv/trunk@134 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Fri, 25 Sep 2009 14:24:08 +0000
parents ec56ef8f3e58
children 0f4362d75e9e
rev   line source
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.action;
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5
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6 import java.util.ArrayList;
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7 import java.util.Collection;
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8 import java.util.Iterator;
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9
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10 import javax.servlet.http.HttpServletRequest;
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11 import javax.servlet.http.HttpServletResponse;
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12
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13 import org.apache.log4j.Logger;
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14 import org.apache.struts.action.ActionForm;
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15 import org.apache.struts.action.ActionForward;
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16 import org.apache.struts.action.ActionMapping;
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17 import org.w3c.dom.Node;
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18
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19 import de.intevation.gnv.action.sessionmodel.SessionModel;
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20 import de.intevation.gnv.action.sessionmodel.SessionModelFactory;
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21 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClient;
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22 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClientFactory;
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23 import de.intevation.gnv.artifactdatabase.objects.ArtifactDescription;
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24 import de.intevation.gnv.artifactdatabase.objects.DefaultInputParameter;
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25 import de.intevation.gnv.artifactdatabase.objects.InputParameter;
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26 import de.intevation.gnv.util.XMLUtils;
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27 import de.intevation.gnv.util.XSLTransformer;
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28
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29 /**
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30 * @author Tim Englich <tim.englich@intevation.de>
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31 *
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32 */
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33 public class NextArtifactStepAction extends ArtifactDatabaseActionBase {
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34 /**
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35 * the logger, used to log exceptions and additonaly information
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36 */
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37 private static Logger log = Logger.getLogger(SelectArtifactFactoryAction.class);
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38
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39 /**
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40 * Constructor
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41 */
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42 public NextArtifactStepAction() {
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43 super();
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44 }
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45
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46 /**
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47 * @see de.intevation.gnv.action.ArtifactDatabaseActionBase#execute(org.apache.struts.action.ActionMapping, org.apache.struts.action.ActionForm, javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse)
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48 */
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49 @Override
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50 public ActionForward execute(ActionMapping mapping, ActionForm form,
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51 HttpServletRequest request, HttpServletResponse response)
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52 throws Exception {
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53 log.debug("NextArtifactStepAction.execute");
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54 SessionModel sm = SessionModelFactory.getInstance().getSessionModel(request);
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55 ArtifactDescription ad = sm.getArtifactDescription();
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56 Collection<String> inputParameter = ad.getInputParameter();
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57 Collection<InputParameter> ips = null;
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58 if (inputParameter != null){
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59 ips = new ArrayList<InputParameter>(inputParameter.size());
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60 Iterator<String> it = inputParameter.iterator();
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61 while (it.hasNext()){
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62 String name = it.next();
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63 String[] values = request.getParameterValues(name);
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64 InputParameter ip = new DefaultInputParameter(name, values);
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65 ips.add(ip);
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66 }
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67 }
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68 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory.getInstance().getArtifactDatabaseClient();
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69 if (ad.getReachableStates() != null && !ad.getReachableStates().isEmpty()){
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70 // TODO: Woher kommt der zu erreichende Status;
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71 String target = null;
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72 if (ad.getReachableStates().size() > 1){
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73 target = request.getParameter("product"); // TODO HACK for Propducts every other Step has currently only one reachable state.
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74 }else{
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75 target = ad.getReachableStates().iterator().next();
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76 }
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77
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78 ArtifactDescription artifactDescription = adc.doNextStep(sm.getSelectedArtifactFactory(), sm.getCurrentArtifact(), target, ips);
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79
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80 Node currentUI = artifactDescription.getCurrentUI();
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81 XSLTransformer transformer = new XSLTransformer();
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82 String ui = transformer.transform(new XMLUtils().getNodeXPath(currentUI, "dynamic"), "UTF-8", request.getRealPath("WEB-INF/config/templates/describe-ui.xsl"));
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83
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84 request.setAttribute("ui", ui);
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85
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86 String staticUI = transformer.transform(new XMLUtils().getNodeXPath(currentUI, "static"), "UTF-8", request.getRealPath("WEB-INF/config/templates/describe-ui-static.xsl"));
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87 request.setAttribute("staticui", staticUI);
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88
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89 request.setAttribute("furthertargets", (ad.getReachableStates() != null && !ad.getReachableStates().isEmpty()));
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90
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91 }else{
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92
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93 adc.doFeed(sm.getSelectedArtifactFactory(), sm.getCurrentArtifact(), ips);
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94
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95 request.setAttribute("diagramm", true);
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96
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97 ArtifactDescription artifactDescription = adc.getCurrentStepDescription(sm.getSelectedArtifactFactory(), sm.getCurrentArtifact());
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98
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99 Node currentUI = artifactDescription.getCurrentUI();
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100 XSLTransformer transformer = new XSLTransformer();
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101 String ui = transformer.transform(new XMLUtils().getNodeXPath(currentUI, "dynamic"), "UTF-8", request.getRealPath("WEB-INF/config/templates/describe-ui.xsl"));
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102
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103 request.setAttribute("ui", ui);
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104
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105 String staticUI = transformer.transform(new XMLUtils().getNodeXPath(currentUI, "static"), "UTF-8", request.getRealPath("WEB-INF/config/templates/describe-ui-static.xsl"));
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106 request.setAttribute("staticui", staticUI);
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107
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108 request.setAttribute("furthertargets",false);
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109 }
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110
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111 return super.execute(mapping, form, request, response);
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112 }
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113
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114
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115 }
http://dive4elements.wald.intevation.org