Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/DefaultState.java @ 322:448d0dc64357

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The inserted ranges (distance and WQ ranges) are validated in the feed() operation. flys-artifacts/trunk@1716 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Mon, 18 Apr 2011 12:36:08 +0000
parents 89bd0417418f
children c21fb8de54f8
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.Collection;
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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;
142
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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.resources.Resources;
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24
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25
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26 /**
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27 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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28 */
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29 public abstract class DefaultState extends AbstractState {
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30
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31 /** The logger that is used in this class.*/
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32 private static Logger logger = Logger.getLogger(DefaultState.class);
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33
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34
134
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35 public Element describeStatic(
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36 Document document,
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37 Node root,
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38 CallContext context,
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39 String uuid)
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40 {
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41 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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42 document,
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43 ArtifactNamespaceContext.NAMESPACE_URI,
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44 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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45
142
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46 CallMeta meta = context.getMeta();
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47
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48 String label = Resources.getMsg(meta, getID(), getID());
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49 Element ui = ProtocolUtils.createArtNode(
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50 creator, "state",
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51 new String[] { "name", "uiprovider", "label" },
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52 new String[] { getID(), getUIProvider(), label });
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53
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54 Map<String, StateData> theData = getData();
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55 if (theData == null) {
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56 return ui;
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57 }
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58
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59 Collection<StateData> dataItems = theData.values();
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60
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61 for (StateData data: dataItems) {
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62 String name = data.getName();
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63 String value = (String) data.getValue();
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64
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65 logger.debug("Append element '" + name + "' (" + value + ")");
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66
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67 Element dataElement = creator.create("data");
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68 creator.addAttr(dataElement, "name", name, true);
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69 creator.addAttr(dataElement, "type", data.getType(), true);
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70
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71 Element itemElement = creator.create("item");
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72 creator.addAttr(itemElement, "value", value, true);
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73 creator.addAttr(
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74 itemElement,
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75 "label",
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76 Resources.getMsg(meta, value, value),
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77 true);
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78
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79 dataElement.appendChild(itemElement);
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80 ui.appendChild(dataElement);
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81 }
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82
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83 return ui;
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84 }
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85
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86
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87 public Element describe(
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88 Artifact artifact,
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89 Document document,
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90 Node root,
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91 CallContext context,
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92 String uuid)
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93 {
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94 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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95 document,
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96 ArtifactNamespaceContext.NAMESPACE_URI,
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97 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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98
135
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99 Element ui = null;
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100 String uiprovider = getUIProvider();
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101 if (uiprovider != null) {
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102 ui = ProtocolUtils.createArtNode(
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103 creator, "dynamic",
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104 new String[] { "uiprovider" },
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105 new String[] { uiprovider });
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106 }
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107 else {
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108 ui = ProtocolUtils.createArtNode(creator, "dynamic", null, null);
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109 }
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110
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111 Map<String, StateData> theData = getData();
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112 if (theData == null) {
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113 return ui;
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114 }
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115
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116 Collection<StateData> dataItems = theData.values();
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117
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118 for (StateData data: dataItems) {
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119 String name = data.getName();
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120 Element select = createData(creator, artifact, data, context);
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121
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122 Element choices = ProtocolUtils.createArtNode(
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123 creator, "choices", null, null);
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124
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125 select.appendChild(choices);
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126 ui.appendChild(select);
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127
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128 Element[] items = createItems(creator, artifact, name, context);
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129 for (Element item: items) {
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130 choices.appendChild(item);
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131 }
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132 }
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133
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134 return ui;
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135 }
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136
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137
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138 /**
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139 * This method creates the root node that contains the list of selectable
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140 * items.
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141 *
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142 * @param cr The ElementCreator.
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143 * @param name The name of the amount of data.
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144 *
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145 * @return the root node of the item list.
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146 */
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147 protected Element createData(
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148 XMLUtils.ElementCreator cr,
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149 Artifact artifact,
126
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150 StateData data,
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151 CallContext context)
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152 {
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153 Element select = ProtocolUtils.createArtNode(
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154 cr, "select", null, null);
129
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155 cr.addAttr(select, "name", data.getName(), true);
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156
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157 Element label = ProtocolUtils.createArtNode(
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158 cr, "label", null, null);
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159
129
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160 select.appendChild(label);
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161
126
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162 label.setTextContent(Resources.getMsg(
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163 context.getMeta(),
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164 getID(),
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165 getID()));
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166
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167 return select;
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168 }
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169
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170
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171 /**
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172 * This method creates a list of items. These items represent the amount of
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173 * input data that is possible for this state.
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174 *
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175 * @param cr The ElementCreator.
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176 * @param name The name of the amount of data.
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177 *
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178 * @return a list of items.
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179 */
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180 protected abstract Element[] createItems(
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181 XMLUtils.ElementCreator cr,
313
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182 Artifact artifact,
126
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183 String name,
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184 CallContext context);
135
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185
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186
322
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187 /**
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188 * This method validates the inserted data and returns true, if everything
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189 * was correct, otherwise an exception is thrown.
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190 *
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191 * @param artifact A reference to the owner artifact.
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192 * @param context The CallContext object.
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193 *
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194 * @return true, if everything was fine.
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195 */
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196 public boolean validate(Artifact artifact, CallContext context)
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197 throws IllegalArgumentException
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198 {
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199 return true;
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200 }
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201
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202
135
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203 protected String getUIProvider() {
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204 return null;
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205 }
126
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206 }
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207 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org