Mercurial > dive4elements > gnv-client

annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java @ 56:737d8bf63701

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Required Inputelements integrated in BAsicArtifact-Descibe-Outputv gnv-artifacts/trunk@38 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Tue, 08 Sep 2009 10:39:50 +0000
parents 09b4bf848c7b
children f01592cd6419
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.Collection;
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7 import java.util.HashMap;
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8 import java.util.Iterator;
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9 import java.util.Map;
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10
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11 import org.apache.log4j.Logger;
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12 import org.w3c.dom.Document;
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13 import org.w3c.dom.Element;
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14 import org.w3c.dom.Node;
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15 import org.w3c.dom.NodeList;
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16
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17 import de.intevation.artifactdatabase.Config;
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18 import de.intevation.artifactdatabase.DefaultArtifact;
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19 import de.intevation.gnv.artifacts.context.GNVArtifactContext;
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20 import de.intevation.gnv.transition.InputValue;
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21 import de.intevation.gnv.transition.Transition;
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22 import de.intevation.gnv.transition.TransitionFactory;
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23
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24 /**
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25 * @author Tim Englich <tim.englich@intevation.de>
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26 *
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27 */
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28 public abstract class GNVArtifactBase extends DefaultArtifact {
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29 /**
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30 * the logger, used to log exceptions and additonaly information
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31 */
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32 private static Logger log = Logger.getLogger(GNVArtifactBase.class);
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33 /**
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34 * The UID of this Class
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35 */
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36 private static final long serialVersionUID = -8907096744400741458L;
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37
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38 /**
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39 * The Identifier for the Replacement of the Artifactname
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40 */
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41 public static final String XPATH_IDENTIFIER_REPLACE = "IDENTIFIER";
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42
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43 /**
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44 * The XPATH to the XML-Fragment that should be used for the Configuration
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45 */
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46 public static final String XPATH_ARTIFACT_CONFIGURATION= "/artifact-database/artifacts/artifact[@name='"+XPATH_IDENTIFIER_REPLACE+"']";
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47
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48
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49 /**
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50 * The current Transition
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51 */
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52 protected Transition current = null;
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53
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54 /**
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55 * The Transitions that can be used
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56 */
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57 protected Map<String, Transition> transitions = null;
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58
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59 /**
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60 * The Name of the Artifact
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61 */
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62 protected String name = null;
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63
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64 /**
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65 * Constructor
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66 */
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67 public GNVArtifactBase() {
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68 super();
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69 }
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70
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71 protected Node getConfigurationFragment(Document document){
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72 log.debug("GNVArtifactBase.getConfigurationFragment");
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73 String xpathQuery = XPATH_ARTIFACT_CONFIGURATION.replaceAll(XPATH_IDENTIFIER_REPLACE, this.name);
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74 log.debug(xpathQuery);
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75 return Config.getNodeXPath(document,xpathQuery);
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76 }
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77
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78 /**
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79 * @see de.intevation.artifactdatabase.DefaultArtifact#setup(java.lang.String, java.lang.Object)
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80 */
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81 @Override
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82 public void setup(String identifier, Object context) {
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83 log.debug("GNVArtifactBase.setup");
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84 super.setup(identifier, context);
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85 if (context instanceof GNVArtifactContext){
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86 GNVArtifactContext gnvContext = (GNVArtifactContext)context;
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87 Document doc = gnvContext.getConfig();
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88 Node artifactNode = this.getConfigurationFragment(doc);
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89 NodeList transitionList = Config.getNodeSetXPath(artifactNode, "transitions/transition");
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90 this.transitions = new HashMap<String, Transition>(transitionList.getLength());
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91 for (int i = 0 ; i < transitionList.getLength(); i++){
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92 Transition tmpTransition = TransitionFactory.getInstance().createTransition(transitionList.item(i));
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93 if (tmpTransition != null){
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94 this.transitions.put(tmpTransition.getID(), tmpTransition);
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95 if (this.current == null){
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96 this.current = tmpTransition;
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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
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104
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105 protected Document createDescibeOutput(){
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106 log.debug("GNVArtifactBase.createDescibeOutput");
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107 Document document = super.newDocument();
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108 Element rootNode = this.createRootNode(document);
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109 this.createHeader(rootNode, document, "describe");
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110 this.createCurrentState(rootNode, document);
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111 this.createReachableStates(rootNode, document);
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112 this.createModel(rootNode, document);
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113 this.createUserInterface(rootNode, document);
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114
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115 return document;
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116 }
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117
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118 protected Element createRootNode(Document document){
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119 Element rootNode = createElement(document,"result");
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120 document.appendChild(rootNode);
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121 return rootNode;
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122 }
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123
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124 protected void createHeader(Element parent, Document document, String documentType){
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125 Element typeNode = createElement(document,"type");
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126 typeNode.setAttribute("name", documentType);
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127 parent.appendChild(typeNode);
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128
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129 Element uuidNode = createElement(document,"uuid");
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130 uuidNode.setAttribute("value", super.identifier);
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131 parent.appendChild(uuidNode);
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132
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133 Element hashNode = createElement(document,"hash");
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134 hashNode.setAttribute("value", this.hash());
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135 parent.appendChild(hashNode);
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136
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137
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138 }
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139 protected void createReachableStates(Element parent,Document document){
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140 Element stateNode = createElement(document,"reachable-states");
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141 if (this.current != null){
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142 Iterator<String> states = this.current.reachableTransitions().iterator();
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143 while(states.hasNext()){
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144 String value = states.next();
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145 Element currentNode = createElement(document,"state");
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146 currentNode.setAttribute("name", value);
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147 currentNode.setAttribute("description", transitions.get(value).getDescription());
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148 stateNode.appendChild(currentNode);
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149 }
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150 }
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151 parent.appendChild(stateNode);
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152 }
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153
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154 protected void createCurrentState(Element parent, Document document){
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155 Element stateNode = createElement(document,"state");
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156 stateNode.setAttribute("name", this.current.getID());
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157 stateNode.setAttribute("description", this.current.getDescription());
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158 parent.appendChild(stateNode);
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159 }
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160
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161
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162 protected void createModel(Element parent, Document document){
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163 Element modelNode = createElement(document,"model");
56
737d8bf63701 Required Inputelements integrated in BAsicArtifact-Descibe-Outputv
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164 if (this.current != null){
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165 Collection<InputValue> inputValues = this.current.getRequiredInputValues();
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166 if (inputValues != null){
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167 Iterator<InputValue> it = inputValues.iterator();
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168 while(it.hasNext()){
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169 InputValue inputValue = it.next();
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170 Element inputNode = createElement(document,"input");
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171 inputNode.setAttribute("name", inputValue.getName());
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172 inputNode.setAttribute("type", inputValue.getType());
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173 modelNode.appendChild(inputNode);
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174 }
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175 }
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176 }
54
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177 parent.appendChild(modelNode);
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178 }
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179
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180 protected void createUserInterface(Element parent, Document document){
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181 Element uiNode = createElement(document,"ui");
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182
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183 // TODO mit leben f�llen.
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184
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185 parent.appendChild(uiNode);
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186 }
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187
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188 protected void createOutputs(Element parent, Document document){
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189 Element outputsNode = createElement(document,"outputs");
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190
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191 // TODO mit leben f�llen.
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192
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193 parent.appendChild(outputsNode);
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194 }
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195
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196 /**
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197 * @param document
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198 * @return
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199 */
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200 private Element createElement(Document document, String name) {
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201 Element node = document.createElementNS(DefaultArtifact.NAMESPACE_URI, name);
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202 node.setPrefix(DefaultArtifact.NAMESPACE_PREFIX);
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203 return node;
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204 }
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205
52
4d6a82b96059 First Implementation of the GNV-Artifacts
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206
4d6a82b96059 First Implementation of the GNV-Artifacts
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207 }
http://dive4elements.wald.intevation.org