Mercurial > dive4elements > gnv-client
annotate gnv-artifacts/src/main/java/de/intevation/gnv/artifacts/GNVArtifactBase.java @ 56:737d8bf63701
Required Inputelements integrated in BAsicArtifact-Descibe-Outputv
gnv-artifacts/trunk@38 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Tim Englich <tim.englich@intevation.de> |
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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"); |
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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 |
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206 |
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207 } |