Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/DefaultState.java @ 674:d5f9ba1d055f

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Added calculation base class to collect the problems during the calculations. Adjusted calculation 4 to use the mechanism. flys-artifacts/trunk@2098 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 10 Jun 2011 09:19:27 +0000
parents 23fced04ffdb
children 06689035024c
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
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8 import org.apache.log4j.Logger;
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9
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10 import org.w3c.dom.Document;
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11 import org.w3c.dom.Element;
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12 import org.w3c.dom.Node;
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13
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14 import de.intevation.artifacts.Artifact;
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15 import de.intevation.artifacts.ArtifactNamespaceContext;
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16 import de.intevation.artifacts.CallContext;
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17 import de.intevation.artifacts.CallMeta;
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18
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19 import de.intevation.artifacts.common.utils.XMLUtils;
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20
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21 import de.intevation.artifactdatabase.ProtocolUtils;
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22 import de.intevation.artifactdatabase.data.StateData;
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23 import de.intevation.artifactdatabase.state.AbstractState;
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24
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25 import de.intevation.flys.artifacts.FLYSArtifact;
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26 import de.intevation.flys.artifacts.resources.Resources;
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28
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29 /**
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30 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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31 */
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32 public abstract class DefaultState extends AbstractState {
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33
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34 /** The logger that is used in this class.*/
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35 private static Logger logger = Logger.getLogger(DefaultState.class);
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38 protected StateData getData(FLYSArtifact artifact, String name) {
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39 return artifact.getData(name);
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40 }
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42
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43 public Element describeStatic(
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44 Artifact artifact,
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45 Document document,
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46 Node root,
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47 CallContext context,
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48 String uuid)
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49 {
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50 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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51 document,
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52 ArtifactNamespaceContext.NAMESPACE_URI,
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53 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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54
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55 CallMeta meta = context.getMeta();
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56
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57 String label = Resources.getMsg(meta, getID(), getID());
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58 Element ui = ProtocolUtils.createArtNode(
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59 creator, "state",
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60 new String[] { "name", "uiprovider", "label" },
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61 new String[] { getID(), getUIProvider(), label });
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62
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63 Map<String, StateData> theData = getData();
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64 if (theData == null) {
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65 return ui;
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66 }
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67
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68 Iterator<String> iter = theData.keySet().iterator();
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69 FLYSArtifact flys = (FLYSArtifact) artifact;
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70
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71 while (iter.hasNext()) {
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72 String name = iter.next();
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73 StateData data = getData(flys, name);
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74
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75 String value = data != null ? (String) data.getValue() : null;
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76
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77 if (value == null) {
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78 continue;
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79 }
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80
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81 logger.debug("Append element '" + name + "' (" + value + ")");
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82
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83 Element dataElement = creator.create("data");
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84 creator.addAttr(dataElement, "name", name, true);
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85 creator.addAttr(dataElement, "type", data.getType(), true);
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86
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87 Element itemElement = creator.create("item");
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88 creator.addAttr(itemElement, "value", value, true);
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89
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90 String attrValue = "";
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91 try {
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92 // XXX A better way to format the output would be to use the
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93 // 'type' value if the data objects.
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94 double doubleVal = Double.valueOf(value);
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95 Locale l = Resources.getLocale(meta);
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96 NumberFormat nf = NumberFormat.getInstance(l);
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97
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98 attrValue = nf.format(doubleVal);
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99 }
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100 catch (NumberFormatException nfe) {
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101 attrValue = Resources.getMsg(meta, value, value);
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102 }
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103
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104 creator.addAttr(itemElement, "label", attrValue, true);
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105
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106 dataElement.appendChild(itemElement);
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107 ui.appendChild(dataElement);
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108 }
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109
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110 return ui;
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111 }
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112
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113
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114 public Element describe(
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115 Artifact artifact,
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116 Document document,
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117 Node root,
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118 CallContext context,
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119 String uuid)
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120 {
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121 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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122 document,
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123 ArtifactNamespaceContext.NAMESPACE_URI,
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124 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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125
135
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126 Element ui = null;
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127 String uiprovider = getUIProvider();
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128 if (uiprovider != null) {
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129 ui = ProtocolUtils.createArtNode(
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130 creator, "dynamic",
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131 new String[] { "uiprovider" },
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132 new String[] { uiprovider });
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133 }
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134 else {
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135 ui = ProtocolUtils.createArtNode(creator, "dynamic", null, null);
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136 }
126
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137
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138 Map<String, StateData> theData = getData();
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139 if (theData == null) {
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140 return ui;
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141 }
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142
624
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143 Iterator<String> iter = theData.keySet().iterator();
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144 FLYSArtifact flys = (FLYSArtifact) artifact;
126
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145
624
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146 while (iter.hasNext()) {
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147 String name = iter.next();
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148 StateData data = getData(flys, name);
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149
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150 data = data != null ? data : getData(name);
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151
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152 Element select = createData(creator, artifact, data, context);
126
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153
630
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154 String defValue = (String) data.getValue();
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155 String defDesc = null;
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156
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157 if (defValue != null && defValue.length() > 0) {
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158 defDesc = Resources.getMsg(
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159 context.getMeta(),
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160 defValue,
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161 defValue);
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162 }
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163
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164 if (defValue != null && defDesc != null) {
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165 creator.addAttr(select, "defaultValue", defValue, true);
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166 creator.addAttr(select, "defaultLabel", defDesc, true);
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167 }
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168
126
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169 Element choices = ProtocolUtils.createArtNode(
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170 creator, "choices", null, null);
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171
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172 select.appendChild(choices);
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173 ui.appendChild(select);
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174
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175 Element[] items = createItems(creator, artifact, name, context);
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176 if (items != null) {
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177 for (Element item: items) {
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178 choices.appendChild(item);
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179 }
126
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180 }
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181 }
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182
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183 return ui;
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184 }
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185
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186
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187 /**
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188 * This method creates the root node that contains the list of selectable
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189 * items.
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190 *
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191 * @param cr The ElementCreator.
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192 * @param name The name of the amount of data.
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193 *
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194 * @return the root node of the item list.
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195 */
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196 protected Element createData(
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197 XMLUtils.ElementCreator cr,
313
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198 Artifact artifact,
126
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199 StateData data,
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200 CallContext context)
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201 {
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202 Element select = ProtocolUtils.createArtNode(
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203 cr, "select", null, null);
129
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204 cr.addAttr(select, "name", data.getName(), true);
126
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205
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206 Element label = ProtocolUtils.createArtNode(
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207 cr, "label", null, null);
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208
129
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209 select.appendChild(label);
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210
126
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211 label.setTextContent(Resources.getMsg(
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212 context.getMeta(),
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213 getID(),
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214 getID()));
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215
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216 return select;
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217 }
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218
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219
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220 /**
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221 * This method creates a list of items. These items represent the amount of
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222 * input data that is possible for this state.
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223 *
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224 * @param cr The ElementCreator.
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225 * @param name The name of the amount of data.
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226 *
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227 * @return a list of items.
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228 */
660
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229 protected Element[] createItems(
126
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230 XMLUtils.ElementCreator cr,
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231 Artifact artifact,
126
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232 String name,
660
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233 CallContext context
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234 ) {
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235 return null;
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236 }
135
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237
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238
322
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239 /**
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240 * This method validates the inserted data and returns true, if everything
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241 * was correct, otherwise an exception is thrown.
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242 *
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243 * @param artifact A reference to the owner artifact.
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244 * @param context The CallContext object.
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245 *
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246 * @return true, if everything was fine.
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247 */
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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248 public boolean validate(Artifact artifact, CallContext context)
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249 throws IllegalArgumentException
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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250 {
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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251 return true;
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252 }
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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253
448d0dc64357 The inserted ranges (distance and WQ ranges) are validated in the feed() operation.
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254
135
2d6e02787d00 Added a method to retrieve the UIProvider for a state.
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255 protected String getUIProvider() {
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256 return null;
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257 }
126
b18aebd1342f Added an abstract base class DefaultState for States.
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258 }
b18aebd1342f Added an abstract base class DefaultState for States.
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259 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org