Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/CollectionItemAttributeServiceImpl.java @ 1341:e26088566e8a

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Use images for line type and line size selection. flys-client/trunk@2991 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Mon, 17 Oct 2011 15:17:28 +0000
parents b18b32269a3f
children ab8eb2f544f2
rev   line source
1285
0f3b19df1880 Added new service and model for collection item attributes.
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1 package de.intevation.flys.client.server;
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2
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3 import org.w3c.dom.Document;
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4 import org.w3c.dom.Element;
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5 import org.w3c.dom.NodeList;
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6
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7 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
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8
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9 import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
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10 import de.intevation.artifacts.httpclient.http.HttpClient;
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11 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
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12 import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler;
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13
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14 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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15 import de.intevation.artifacts.common.utils.XMLUtils;
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16
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17 import de.intevation.flys.client.shared.exceptions.ServerException;
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18 import de.intevation.flys.client.client.services.CollectionItemAttributeService;
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19
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20 import de.intevation.flys.client.shared.model.Collection;
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21 import de.intevation.flys.client.shared.model.CollectionItemAttribute;
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22 import de.intevation.flys.client.shared.model.Style;
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23 import de.intevation.flys.client.shared.model.StyleSetting;
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24
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25
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26 /**
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27 *
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28 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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29 */
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30 public class CollectionItemAttributeServiceImpl
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31 extends RemoteServiceServlet
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32 implements CollectionItemAttributeService
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33 {
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34 public static final String XPATH_RESULT = "/art:result/text()";
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35
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36 public static final String OPERATION_FAILURE = "FAILED";
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37
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38 public static final String ERROR_NO_STYLES_FOUND =
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39 "error_no_theme_styles_found";
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40
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41
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42 public CollectionItemAttribute getCollectionItemAttribute(
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43 Collection collection,
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44 String artifact,
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45 String url,
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46 String locale)
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47 throws ServerException
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48 {
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49 System.out.println(
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50 "CollectionItemAttributeServiceImpl.getCollectionItemAttribute");
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51
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52 Document requestDoc = XMLUtils.newDocument();
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53
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54 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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55 requestDoc,
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56 ArtifactNamespaceContext.NAMESPACE_URI,
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57 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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58
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59 Element action = ec.create("action");
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60
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61 Element type = ec.create("type");
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62 ec.addAttr(type, "name", "getitemattribute", false);
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63
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64 Element art = ec.create("artifact");
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65 ec.addAttr(art, "uuid", artifact, false);
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66
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67 type.appendChild(art);
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68 action.appendChild(type);
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69 requestDoc.appendChild (action);
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70
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71 try {
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72 HttpClient client = new HttpClientImpl(url, locale);
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73 Document res = (Document) client.doCollectionAction(
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74 requestDoc,
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75 collection.identifier(),
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76 new DocumentResponseHandler());
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77 return readXML (res, artifact);
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78 }
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79 catch (ConnectionException ce) {
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80 System.err.println(ce.getLocalizedMessage());
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81 }
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82
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83 throw new ServerException(ERROR_NO_STYLES_FOUND);
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84 }
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85
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86
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87 public void setCollectionItemAttribute(
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88 Collection collection,
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89 String artifact,
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90 String url,
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91 String locale,
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92 CollectionItemAttribute attributes)
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93 throws ServerException
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94 {
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95 System.out.println(
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96 "CollectionItemAttributeServiceImpl.setCollectionItemAttribute");
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97
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98 Document doc = writeXML(attributes, artifact);
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99
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100 try {
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101 HttpClient client = new HttpClientImpl(url, locale);
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102 Document res = (Document) client.doCollectionAction(
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103 doc,
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104 collection.identifier(),
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105 new DocumentResponseHandler());
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106
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107 return;
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108 }
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109 catch (ConnectionException ce) {
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110 System.err.println(ce.getLocalizedMessage());
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111 }
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112 throw new ServerException("");
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113 }
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114
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115 protected CollectionItemAttribute readXML(Document doc, String artifact)
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116 throws ServerException
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117 {
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118 CollectionItemAttribute cia = new CollectionItemAttribute();
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119 cia.setArtifact(artifact);
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120
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121 Element root = doc.getDocumentElement();
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122 NodeList themes = root.getElementsByTagName("art:themes");
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123
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124 if (themes == null || themes.getLength() == 0) {
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125 throw new ServerException(ERROR_NO_STYLES_FOUND);
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126 }
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127
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128 Element e = (Element) themes.item(0);
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129 NodeList items = e.getElementsByTagName("theme");
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130
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131 for (int i = 0; i < items.getLength(); i++) {
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132 Style s = getStyle ((Element) items.item(i));
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133 if(s == null) {
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134 throw new ServerException(ERROR_NO_STYLES_FOUND);
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135 }
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136 else {
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137 cia.appendStyle(s);
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138 }
1285
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139 }
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140
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141 return cia;
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142 }
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143
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144
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145 protected Document writeXML (
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146 CollectionItemAttribute attributes,
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147 String artifact)
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148 {
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149 Document styles = XMLUtils.newDocument();
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150
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151 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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152 styles,
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153 ArtifactNamespaceContext.NAMESPACE_URI,
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154 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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155 Element action = ec.create("action");
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156 Element type = ec.create("type");
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157 type.setAttribute("name", "setitemattribute");
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158 Element art = ec.create("artifact");
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159 art.setAttribute("uuid", artifact);
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160 Element attr = ec.create("attribute");
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161 Element themes = ec.create("themes");
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162 action.appendChild(type);
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163 type.appendChild(art);
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164 art.appendChild(attr);
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165 attr.appendChild(themes);
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166
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167 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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168 styles,
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169 "",
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170 "");
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171
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172 for (int i = 0; i < attributes.getNumStyles(); i++) {
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173 Style s = attributes.getStyle(i);
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174 Element theme = creator.create("theme");
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175 theme.setAttribute("name", s.getName());
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176 theme.setAttribute("facet", s.getFacet());
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177 theme.setAttribute("index", String.valueOf(s.getIndex()));
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178 for (int j = 0; j < s.getNumSettings(); j++) {
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179 StyleSetting set = s.getSetting(j);
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180 Element field = creator.create("field");
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181 field.setAttribute("name", set.getName());
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182 field.setAttribute("display", set.getDisplayName());
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183 field.setAttribute("default", set.getDefaultValue());
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184 field.setAttribute("hints", set.getHints());
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185 field.setAttribute("type", set.getType());
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186 theme.appendChild(field);
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187 }
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188 themes.appendChild(theme);
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189 }
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190 styles.appendChild(action);
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191 return styles;
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192 }
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193
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194
1285
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195 protected Style getStyle (Element element) {
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196
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197 if (!element.getTagName().equals("theme")) {
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198 return null;
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199 }
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200
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201 NodeList list = element.getElementsByTagName("field");
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202 Style style = new Style();
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203
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204 style.setName (element.getAttribute("name"));
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205 style.setFacet (element.getAttribute("facet"));
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206 try {
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207 int ndx = Integer.parseInt(element.getAttribute("index"));
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208 style.setIndex (ndx);
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209 }
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diff changeset
210 catch(NumberFormatException nfe) {
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211 return null;
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diff changeset
212 }
1285
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diff changeset
213 for(int i = 0; i < list.getLength(); i++) {
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diff changeset
214 Element e = (Element) list.item(i);
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diff changeset
215 StyleSetting set = new StyleSetting (
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diff changeset
216 e.getAttribute("name"),
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parents:
diff changeset
217 e.getAttribute("default"),
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parents:
diff changeset
218 e.getAttribute("display"),
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parents:
diff changeset
219 e.getAttribute("hints"),
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
220 e.getAttribute("type"));
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
221 style.appendStyleSetting(set);
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
222 }
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parents:
diff changeset
223 return style;
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Raimund Renkert <raimund.renkert@intevation.de>
parents:
diff changeset
224 }
0f3b19df1880 Added new service and model for collection item attributes.
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parents:
diff changeset
225 }
0f3b19df1880 Added new service and model for collection item attributes.
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parents:
diff changeset
226 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org