Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/DescribeUIAction.java @ 409:df78178e1180

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Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this. gnv/trunk@599 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 22 Jan 2010 11:28:25 +0000
parents
children 15ac78a91d1b
rev   line source
409
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.action;
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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2
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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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
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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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
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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9 import de.intevation.gnv.artifactdatabase.objects.ArtifactDescription;
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10
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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11 import de.intevation.gnv.util.ArtifactNamespaceContext;
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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12 import de.intevation.gnv.util.XMLUtils;
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13 import de.intevation.gnv.util.XSLTransformer;
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14
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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15 import javax.servlet.http.HttpServletRequest;
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16 import javax.servlet.http.HttpServletResponse;
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17
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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18 import javax.xml.xpath.XPathConstants;
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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19
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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20 import org.apache.log4j.Logger;
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21
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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22 import org.apache.struts.action.ActionForm;
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23 import org.apache.struts.action.ActionForward;
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24 import org.apache.struts.action.ActionMapping;
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25
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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26 import org.w3c.dom.Node;
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27
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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28 /**
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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29 * @author Ingo Weinzierl (ingo.weinzierl@intevation.de)
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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30 */
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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31 public class DescribeUIAction extends ArtifactDatabaseActionBase {
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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32
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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33 public static final String XPATH_DYNAMIC_UI = "art:dynamic";
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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34 public static final String XPATH_STATIC_UI = "art:static";
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35
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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36 public static final String XSL_SHEET_DYNAMIC =
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37 "WEB-INF/config/templates/describe-ui.xsl";
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38
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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39 public static final String XSL_SHEET_STATIC =
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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40 "WEB-INF/config/templates/describe-ui-static.xsl";
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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41
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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42 private static Logger logger = Logger.getLogger(DescribeUIAction.class);
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43
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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44
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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45 public DescribeUIAction() {
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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46 super();
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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47 }
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48
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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49
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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50 @Override
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51 public ActionForward execute(
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52 ActionMapping mapping,
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53 ActionForm form,
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54 HttpServletRequest request,
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55 HttpServletResponse response
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56 ) throws Exception
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57 {
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58 logger.info("describe user interface");
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59 try {
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60 // render describe document and create user interface
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61 SessionModel sm = SessionModelFactory.getInstance().getSessionModel(
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62 request);
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63
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64 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory
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65 .getInstance().getArtifactDatabaseClient(getLocale(request));
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66
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67 ArtifactDescription artifactDescription =
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68 adc.getCurrentStepDescription(
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69 sm.getSelectedArtifactFactory(),
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70 sm.getCurrentArtifact(),
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71 true);
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72
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73 Node currentUI = artifactDescription.getCurrentUI();
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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74 if (currentUI != null) {
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75 XSLTransformer transformer = new XSLTransformer();
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76
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77 String url = response.encodeURL(
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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78 mapping.findForward("back").getPath());
df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
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79 transformer.addParameter("back-url", url);
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80
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81 String fisUrl = response.encodeURL(
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82 mapping.findForward("selectfis").getPath());
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83 transformer.addParameter("selectfis", fisUrl);
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84
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85 // fetch dynamic part from describe document and transform it
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86 Node dynamicNode = (Node) XMLUtils.xpath(
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87 currentUI,
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88 XPATH_DYNAMIC_UI,
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89 XPathConstants.NODE,
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90 ArtifactNamespaceContext.INSTANCE
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91 );
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92
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93 String ui = transformer.transform(
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94 dynamicNode,
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95 "UTF-8",
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96 request.getRealPath(XSL_SHEET_DYNAMIC
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97 ));
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98
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99 if (ui != null && ui.length() > 1)
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100 request.setAttribute("ui", ui);
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101
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102 // fetch static part from describe document and transform it
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103 Node staticNode = (Node) XMLUtils.xpath(
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104 currentUI,
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105 XPATH_STATIC_UI,
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106 XPathConstants.NODE,
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107 ArtifactNamespaceContext.INSTANCE
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108 );
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109
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110 String staticUI = transformer.transform(
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111 staticNode,
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112 "UTF-8",
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113 request.getRealPath(XSL_SHEET_STATIC));
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114
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115 if (staticUI != null && staticUI.length() > 1)
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116 request.setAttribute("staticui", staticUI);
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117 }
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118
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119 return super.execute(mapping, form, request, response);
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120 }
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121 catch (Exception e) {
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122 logger.error(e, e);
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123 request.setAttribute(
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124 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID,
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125 e.getMessage());
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126
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127 return super.getExceptionForward(mapping);
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128 }
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129 }
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130 }
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131 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org