Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/DefaultState.java @ 660:627be3ca1ab6

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code clean up in states flys-artifacts/trunk@2068 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Tue, 07 Jun 2011 14:28:44 +0000
parents acf3b49ec31f
children 23fced04ffdb
rev   line source
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b18aebd1342f Added an abstract base class DefaultState for States.
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1 package de.intevation.flys.artifacts.states;
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2
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3 import java.util.Iterator;
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4 import java.util.Map;
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5
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6 import org.apache.log4j.Logger;
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7
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8 import org.w3c.dom.Document;
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9 import org.w3c.dom.Element;
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10 import org.w3c.dom.Node;
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11
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12 import de.intevation.artifacts.Artifact;
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13 import de.intevation.artifacts.ArtifactNamespaceContext;
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14 import de.intevation.artifacts.CallContext;
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15 import de.intevation.artifacts.CallMeta;
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16
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17 import de.intevation.artifacts.common.utils.XMLUtils;
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18
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19 import de.intevation.artifactdatabase.ProtocolUtils;
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20 import de.intevation.artifactdatabase.data.StateData;
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21 import de.intevation.artifactdatabase.state.AbstractState;
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22
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23 import de.intevation.flys.artifacts.FLYSArtifact;
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24 import de.intevation.flys.artifacts.resources.Resources;
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25
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26
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27 /**
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28 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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29 */
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30 public abstract class DefaultState extends AbstractState {
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31
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32 /** The logger that is used in this class.*/
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33 private static Logger logger = Logger.getLogger(DefaultState.class);
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34
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36 protected StateData getData(FLYSArtifact artifact, String name) {
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37 return artifact.getData(name);
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38 }
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39
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40
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41 public Element describeStatic(
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42 Artifact artifact,
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43 Document document,
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44 Node root,
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45 CallContext context,
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46 String uuid)
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47 {
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48 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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49 document,
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50 ArtifactNamespaceContext.NAMESPACE_URI,
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51 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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52
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53 CallMeta meta = context.getMeta();
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54
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55 String label = Resources.getMsg(meta, getID(), getID());
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56 Element ui = ProtocolUtils.createArtNode(
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57 creator, "state",
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58 new String[] { "name", "uiprovider", "label" },
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59 new String[] { getID(), getUIProvider(), label });
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60
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61 Map<String, StateData> theData = getData();
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62 if (theData == null) {
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63 return ui;
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64 }
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65
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66 Iterator<String> iter = theData.keySet().iterator();
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67 FLYSArtifact flys = (FLYSArtifact) artifact;
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68
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69 while (iter.hasNext()) {
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70 String name = iter.next();
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71 StateData data = getData(flys, name);
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72
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73 String value = data != null ? (String) data.getValue() : null;
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74
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75 if (value == null) {
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76 continue;
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77 }
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78
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79 logger.debug("Append element '" + name + "' (" + value + ")");
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80
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81 Element dataElement = creator.create("data");
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82 creator.addAttr(dataElement, "name", name, true);
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83 creator.addAttr(dataElement, "type", data.getType(), true);
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84
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85 Element itemElement = creator.create("item");
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86 creator.addAttr(itemElement, "value", value, true);
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87 creator.addAttr(
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88 itemElement,
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89 "label",
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90 Resources.getMsg(meta, value, value),
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91 true);
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92
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93 dataElement.appendChild(itemElement);
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94 ui.appendChild(dataElement);
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95 }
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96
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97 return ui;
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98 }
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99
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100
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101 public Element describe(
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102 Artifact artifact,
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103 Document document,
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104 Node root,
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105 CallContext context,
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106 String uuid)
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107 {
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108 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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109 document,
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110 ArtifactNamespaceContext.NAMESPACE_URI,
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111 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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112
135
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113 Element ui = null;
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114 String uiprovider = getUIProvider();
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115 if (uiprovider != null) {
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116 ui = ProtocolUtils.createArtNode(
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117 creator, "dynamic",
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118 new String[] { "uiprovider" },
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119 new String[] { uiprovider });
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120 }
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121 else {
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122 ui = ProtocolUtils.createArtNode(creator, "dynamic", null, null);
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123 }
126
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124
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125 Map<String, StateData> theData = getData();
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126 if (theData == null) {
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127 return ui;
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128 }
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129
624
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130 Iterator<String> iter = theData.keySet().iterator();
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131 FLYSArtifact flys = (FLYSArtifact) artifact;
126
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132
624
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133 while (iter.hasNext()) {
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134 String name = iter.next();
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135 StateData data = getData(flys, name);
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136
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137 data = data != null ? data : getData(name);
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138
313
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139 Element select = createData(creator, artifact, data, context);
126
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140
630
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141 String defValue = (String) data.getValue();
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142 String defDesc = null;
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143
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144 if (defValue != null && defValue.length() > 0) {
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145 defDesc = Resources.getMsg(
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146 context.getMeta(),
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147 defValue,
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148 defValue);
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149 }
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150
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151 if (defValue != null && defDesc != null) {
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152 creator.addAttr(select, "defaultValue", defValue, true);
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153 creator.addAttr(select, "defaultLabel", defDesc, true);
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154 }
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155
126
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156 Element choices = ProtocolUtils.createArtNode(
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157 creator, "choices", null, null);
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158
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159 select.appendChild(choices);
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160 ui.appendChild(select);
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161
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162 Element[] items = createItems(creator, artifact, name, context);
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163 if (items != null) {
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164 for (Element item: items) {
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165 choices.appendChild(item);
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166 }
126
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167 }
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168 }
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169
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170 return ui;
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171 }
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172
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173
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174 /**
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175 * This method creates the root node that contains the list of selectable
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176 * items.
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177 *
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178 * @param cr The ElementCreator.
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179 * @param name The name of the amount of data.
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180 *
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181 * @return the root node of the item list.
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182 */
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183 protected Element createData(
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184 XMLUtils.ElementCreator cr,
313
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185 Artifact artifact,
126
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186 StateData data,
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187 CallContext context)
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188 {
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189 Element select = ProtocolUtils.createArtNode(
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190 cr, "select", null, null);
129
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191 cr.addAttr(select, "name", data.getName(), true);
126
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192
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193 Element label = ProtocolUtils.createArtNode(
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194 cr, "label", null, null);
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195
129
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196 select.appendChild(label);
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197
126
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198 label.setTextContent(Resources.getMsg(
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199 context.getMeta(),
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200 getID(),
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201 getID()));
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202
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203 return select;
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204 }
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205
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206
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207 /**
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208 * This method creates a list of items. These items represent the amount of
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209 * input data that is possible for this state.
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210 *
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211 * @param cr The ElementCreator.
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212 * @param name The name of the amount of data.
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213 *
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214 * @return a list of items.
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215 */
660
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216 protected Element[] createItems(
126
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217 XMLUtils.ElementCreator cr,
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218 Artifact artifact,
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219 String name,
660
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220 CallContext context
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221 ) {
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222 return null;
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223 }
135
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224
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225
322
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226 /**
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227 * This method validates the inserted data and returns true, if everything
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228 * was correct, otherwise an exception is thrown.
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229 *
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230 * @param artifact A reference to the owner artifact.
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231 * @param context The CallContext object.
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232 *
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233 * @return true, if everything was fine.
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234 */
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235 public boolean validate(Artifact artifact, CallContext context)
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236 throws IllegalArgumentException
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237 {
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238 return true;
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239 }
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240
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241
135
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242 protected String getUIProvider() {
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243 return null;
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244 }
126
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245 }
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246 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org