Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/DefaultState.java @ 1145:b33a350d79db

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Append an attribute 'background-processing' (can be 'true' or 'false') to the WINFOArtifact's DESCRIBE document. flys-artifacts/trunk@2668 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 07 Sep 2011 13:56:10 +0000
parents 8da5f5a9ed3c
children fb5a7ff9feb8
rev   line source
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1 package de.intevation.flys.artifacts.states;
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3 import java.text.NumberFormat;
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4 import java.util.Iterator;
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5 import java.util.Locale;
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6 import java.util.Map;
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7 import java.util.List;
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8
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9 import org.apache.log4j.Logger;
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10
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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
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35301cc3b875 Modified the states' describe() method - related to the last commit.
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15 import de.intevation.artifacts.Artifact;
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16 import de.intevation.artifacts.ArtifactNamespaceContext;
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17 import de.intevation.artifacts.CallContext;
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18 import de.intevation.artifacts.CallMeta;
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19
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20 import de.intevation.artifacts.common.utils.XMLUtils;
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21
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22 import de.intevation.artifactdatabase.ProtocolUtils;
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23
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24 import de.intevation.artifactdatabase.data.StateData;
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26 import de.intevation.artifactdatabase.state.AbstractState;
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27 import de.intevation.artifactdatabase.state.Facet;
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29 import de.intevation.flys.artifacts.FLYSArtifact;
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31 import de.intevation.flys.artifacts.resources.Resources;
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32
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33
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34 /**
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35 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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36 */
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37 public abstract class DefaultState extends AbstractState {
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38
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39 /** The logger that is used in this class. */
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40 private static Logger logger = Logger.getLogger(DefaultState.class);
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41
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42 public static enum ComputeType {
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43 FEED, ADVANCE, INIT
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44 }
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45
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46 protected StateData getData(FLYSArtifact artifact, String name) {
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47 return artifact.getData(name);
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48 }
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50
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51 /**
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52 * Append to a node and return xml description relevant for gui.
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53 */
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54 public Element describeStatic(
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55 Artifact artifact,
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56 Document document,
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57 Node root,
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58 CallContext context,
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59 String uuid)
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60 {
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61 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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62 document,
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63 ArtifactNamespaceContext.NAMESPACE_URI,
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64 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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65
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66 CallMeta meta = context.getMeta();
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67
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68 String label = Resources.getMsg(meta, getID(), getID());
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69 Element ui = ProtocolUtils.createArtNode(
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70 creator, "state",
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71 new String[] { "name", "uiprovider", "label" },
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72 new String[] { getID(), getUIProvider(), label });
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73
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74 Map<String, StateData> theData = getData();
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75 if (theData == null) {
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76 return ui;
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77 }
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78
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79 Iterator<String> iter = theData.keySet().iterator();
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80 FLYSArtifact flys = (FLYSArtifact) artifact;
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81
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82 while (iter.hasNext()) {
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83 String name = iter.next();
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84 StateData data = getData(flys, name);
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85
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86 String value = (data != null) ? (String) data.getValue() : null;
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87
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88 if (value == null) {
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89 continue;
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90 }
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91
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92 logger.debug("Append element '" + name + "' (" + value + ")");
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93
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94 Element dataElement = creator.create("data");
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95 creator.addAttr(dataElement, "name", name, true);
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96 creator.addAttr(dataElement, "type", data.getType(), true);
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97
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98 Element itemElement = creator.create("item");
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99 creator.addAttr(itemElement, "value", value, true);
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101 String attrValue = "";
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102 try {
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103 // XXX A better way to format the output would be to use the
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104 // 'type' value of the data objects.
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105 double doubleVal = Double.valueOf(value);
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106 Locale l = Resources.getLocale(meta);
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107 NumberFormat nf = NumberFormat.getInstance(l);
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108
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109 attrValue = nf.format(doubleVal);
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110 }
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111 catch (NumberFormatException nfe) {
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112 attrValue = Resources.getMsg(meta, value, value);
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113 }
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115 creator.addAttr(itemElement, "label", attrValue, true);
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116
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117 dataElement.appendChild(itemElement);
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118 ui.appendChild(dataElement);
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119 }
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120
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121 return ui;
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122 }
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123
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124
126
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125 public Element describe(
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126 Artifact artifact,
126
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127 Document document,
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128 Node root,
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129 CallContext context,
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130 String uuid)
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131 {
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132 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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133 document,
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134 ArtifactNamespaceContext.NAMESPACE_URI,
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135 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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136
135
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137 Element ui = null;
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138 String uiprovider = getUIProvider();
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139 if (uiprovider != null) {
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140 ui = ProtocolUtils.createArtNode(
135
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141 creator, "dynamic",
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142 new String[] { "uiprovider" },
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143 new String[] { uiprovider });
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144 }
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145 else {
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146 ui = ProtocolUtils.createArtNode(creator, "dynamic", null, null);
135
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147 }
126
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148
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149 Map<String, StateData> theData = getData();
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150 if (theData == null) {
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151 return ui;
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152 }
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153
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154 Iterator<String> iter = theData.keySet().iterator();
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155 FLYSArtifact flys = (FLYSArtifact) artifact;
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156
624
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157 while (iter.hasNext()) {
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158 String name = iter.next();
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159 StateData data = getData(flys, name);
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160
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161 data = data != null ? data : getData(name);
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162
313
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163 Element select = createData(creator, artifact, data, context);
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164
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165 String defValue = (String) data.getValue();
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166 String defDesc = null;
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167
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168 if (defValue != null && defValue.length() > 0) {
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169 defDesc = Resources.getMsg(
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170 context.getMeta(),
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171 defValue,
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172 defValue);
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173 }
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174
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175 if (defValue != null && defDesc != null) {
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176 creator.addAttr(select, "defaultValue", defValue, true);
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177 creator.addAttr(select, "defaultLabel", defDesc, true);
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178 }
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179
126
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180 Element choices = ProtocolUtils.createArtNode(
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181 creator, "choices", null, null);
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182
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183 select.appendChild(choices);
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184 ui.appendChild(select);
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185
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186 Element[] items = createItems(creator, artifact, name, context);
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187 if (items != null) {
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188 for (Element item: items) {
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189 choices.appendChild(item);
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190 }
126
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191 }
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192 }
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193
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194 return ui;
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195 }
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196
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197
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198 /**
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199 * This method creates the root node that contains the list of selectable
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200 * items.
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201 *
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202 * @param cr The ElementCreator.
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203 * @param name The name of the amount of data.
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204 *
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205 * @return the root node of the item list.
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206 */
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207 protected Element createData(
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208 XMLUtils.ElementCreator cr,
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209 Artifact artifact,
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210 StateData data,
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211 CallContext context)
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212 {
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213 Element select = ProtocolUtils.createArtNode(
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214 cr, "select", null, null);
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215 cr.addAttr(select, "name", data.getName(), true);
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216
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217 Element label = ProtocolUtils.createArtNode(
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218 cr, "label", null, null);
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219
129
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220 select.appendChild(label);
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221
126
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222 label.setTextContent(Resources.getMsg(
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223 context.getMeta(),
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224 getID(),
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225 getID()));
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226
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227 return select;
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228 }
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229
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230
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231 /**
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232 * This method creates a list of items. These items represent the amount of
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233 * input data that is possible for this state.
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234 *
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235 * @param cr The ElementCreator.
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236 * @param name The name of the amount of data.
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237 *
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238 * @return a list of items.
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239 */
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240 protected Element[] createItems(
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241 XMLUtils.ElementCreator cr,
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242 Artifact artifact,
126
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243 String name,
660
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244 CallContext context
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245 ) {
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246 return null;
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247 }
135
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248
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249
322
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250 /**
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251 * This method validates the inserted data and returns true, if everything
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252 * was correct, otherwise an exception is thrown.
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253 *
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254 * @param artifact A reference to the owner artifact.
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255 *
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256 * @return true, if everything was fine.
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257 */
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258 public boolean validate(Artifact artifact)
322
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259 throws IllegalArgumentException
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260 {
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261 return true;
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262 }
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263
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264
135
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265 protected String getUIProvider() {
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266 return null;
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267 }
687
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268
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269
697
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270 public Object computeAdvance(
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271 FLYSArtifact artifact,
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272 String hash,
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273 CallContext context,
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274 List<Facet> facets,
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275 Object old
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276 ) {
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277 return null;
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278 }
687
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279
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280
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281 public Object computeFeed(
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282 FLYSArtifact artifact,
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283 String hash,
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284 CallContext context,
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285 List<Facet> facets,
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286 Object old
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287 ) {
687
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288 return null;
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289 }
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290
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291
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292 public Object computeInit(
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293 FLYSArtifact artifact,
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294 String hash,
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ae198bef4ba0 Added configurations for river WMSe (currently for Saar, Mosel, Elbe).
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295 Object context,
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296 CallMeta meta,
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297 List<Facet> facets)
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298 {
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299 return null;
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300 }
126
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301 }
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302 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org