Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java @ 55:6ded86ce30dd

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Constructs for the required Inputvalues for an Transition created gnv-artifacts/trunk@37 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Tue, 08 Sep 2009 09:35:53 +0000
parents 09b4bf848c7b
children 737d8bf63701
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.artifacts;
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5
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6 import java.util.HashMap;
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7 import java.util.Iterator;
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8 import java.util.Map;
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9
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10 import org.apache.log4j.Logger;
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11 import org.w3c.dom.Document;
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12 import org.w3c.dom.Element;
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13 import org.w3c.dom.Node;
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14 import org.w3c.dom.NodeList;
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15
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16 import de.intevation.artifactdatabase.Config;
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17 import de.intevation.artifactdatabase.DefaultArtifact;
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18 import de.intevation.gnv.artifacts.context.GNVArtifactContext;
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19 import de.intevation.gnv.transition.Transition;
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20 import de.intevation.gnv.transition.TransitionFactory;
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21
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22 /**
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23 * @author Tim Englich <tim.englich@intevation.de>
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24 *
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25 */
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26 public abstract class GNVArtifactBase extends DefaultArtifact {
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27 /**
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28 * the logger, used to log exceptions and additonaly information
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29 */
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30 private static Logger log = Logger.getLogger(GNVArtifactBase.class);
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31 /**
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32 * The UID of this Class
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33 */
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34 private static final long serialVersionUID = -8907096744400741458L;
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35
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36 /**
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37 * The Identifier for the Replacement of the Artifactname
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38 */
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39 public static final String XPATH_IDENTIFIER_REPLACE = "IDENTIFIER";
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40
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41 /**
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42 * The XPATH to the XML-Fragment that should be used for the Configuration
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43 */
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44 public static final String XPATH_ARTIFACT_CONFIGURATION= "/artifact-database/artifacts/artifact[@name='"+XPATH_IDENTIFIER_REPLACE+"']";
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45
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46
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47 /**
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48 * The current Transition
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49 */
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50 protected Transition current = null;
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51
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52 /**
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53 * The Transitions that can be used
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54 */
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55 protected Map<String, Transition> transitions = null;
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56
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57 /**
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58 * The Name of the Artifact
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59 */
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60 protected String name = null;
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61
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62 /**
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63 * Constructor
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64 */
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65 public GNVArtifactBase() {
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66 super();
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67 }
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68
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69 protected Node getConfigurationFragment(Document document){
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70 log.debug("GNVArtifactBase.getConfigurationFragment");
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71 String xpathQuery = XPATH_ARTIFACT_CONFIGURATION.replaceAll(XPATH_IDENTIFIER_REPLACE, this.name);
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72 log.debug(xpathQuery);
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73 return Config.getNodeXPath(document,xpathQuery);
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74 }
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75
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76 /**
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77 * @see de.intevation.artifactdatabase.DefaultArtifact#setup(java.lang.String, java.lang.Object)
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78 */
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79 @Override
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80 public void setup(String identifier, Object context) {
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81 log.debug("GNVArtifactBase.setup");
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82 super.setup(identifier, context);
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83 if (context instanceof GNVArtifactContext){
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84 GNVArtifactContext gnvContext = (GNVArtifactContext)context;
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85 Document doc = gnvContext.getConfig();
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86 Node artifactNode = this.getConfigurationFragment(doc);
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87 NodeList transitionList = Config.getNodeSetXPath(artifactNode, "transitions/transition");
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88 this.transitions = new HashMap<String, Transition>(transitionList.getLength());
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89 for (int i = 0 ; i < transitionList.getLength(); i++){
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90 Transition tmpTransition = TransitionFactory.getInstance().createTransition(transitionList.item(i));
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91 if (tmpTransition != null){
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92 this.transitions.put(tmpTransition.getID(), tmpTransition);
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93 if (this.current == null){
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94 this.current = tmpTransition;
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95 }
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96 }
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97 }
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98
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99 }
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100 }
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101
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102
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103 protected Document createDescibeOutput(){
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104 log.debug("GNVArtifactBase.createDescibeOutput");
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105 Document document = super.newDocument();
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106 Element rootNode = this.createRootNode(document);
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107 this.createHeader(rootNode, document, "describe");
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108 this.createCurrentState(rootNode, document);
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109 this.createReachableStates(rootNode, document);
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110 this.createModel(rootNode, document);
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111 this.createUserInterface(rootNode, document);
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112
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113 return document;
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114 }
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115
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116 protected Element createRootNode(Document document){
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117 Element rootNode = createElement(document,"result");
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118 document.appendChild(rootNode);
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119 return rootNode;
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120 }
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121
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122 protected void createHeader(Element parent, Document document, String documentType){
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123 Element typeNode = createElement(document,"type");
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124 typeNode.setAttribute("name", documentType);
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125 parent.appendChild(typeNode);
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126
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127 Element uuidNode = createElement(document,"uuid");
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128 uuidNode.setAttribute("value", super.identifier);
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129 parent.appendChild(uuidNode);
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130
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131 Element hashNode = createElement(document,"hash");
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132 hashNode.setAttribute("value", this.hash());
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133 parent.appendChild(hashNode);
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134
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135
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136 }
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137 protected void createReachableStates(Element parent,Document document){
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138 Element stateNode = createElement(document,"reachable-states");
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139 if (this.current != null){
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140 Iterator<String> states = this.current.reachableTransitions().iterator();
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141 while(states.hasNext()){
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142 String value = states.next();
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143 Element currentNode = createElement(document,"state");
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144 currentNode.setAttribute("name", value);
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145 currentNode.setAttribute("description", transitions.get(value).getDescription());
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146 stateNode.appendChild(currentNode);
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147 }
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148 }
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149 parent.appendChild(stateNode);
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150 }
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151
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152 protected void createCurrentState(Element parent, Document document){
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153 Element stateNode = createElement(document,"state");
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154 stateNode.setAttribute("name", this.current.getID());
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155 stateNode.setAttribute("description", this.current.getDescription());
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156 parent.appendChild(stateNode);
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157 }
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158
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159
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160 protected void createModel(Element parent, Document document){
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161 Element modelNode = createElement(document,"model");
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162 // TODO mit leben f�llen.
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163
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164 parent.appendChild(modelNode);
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165 }
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166
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167 protected void createUserInterface(Element parent, Document document){
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168 Element uiNode = createElement(document,"ui");
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169
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170 // TODO mit leben f�llen.
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171
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172 parent.appendChild(uiNode);
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173 }
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174
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175 protected void createOutputs(Element parent, Document document){
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176 Element outputsNode = createElement(document,"outputs");
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177
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178 // TODO mit leben f�llen.
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179
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180 parent.appendChild(outputsNode);
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181 }
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182
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183 /**
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184 * @param document
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185 * @return
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186 */
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187 private Element createElement(Document document, String name) {
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188 Element node = document.createElementNS(DefaultArtifact.NAMESPACE_URI, name);
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189 node.setPrefix(DefaultArtifact.NAMESPACE_PREFIX);
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190 return node;
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191 }
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192
52
4d6a82b96059 First Implementation of the GNV-Artifacts
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193
4d6a82b96059 First Implementation of the GNV-Artifacts
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194 }
http://dive4elements.wald.intevation.org