Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/CollectionItemAttributeServiceImpl.java @ 8870:c26fb37899ca

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Introduced groups for modules. Modules marked with the same group-id, will be put together in the ui. Also using now the localization info from the server instead of localizing the modules again on the client side.
author gernotbelger
date Wed, 07 Feb 2018 11:59:13 +0100
parents 238fc722f87a
children 0a5239a1e46e
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.client.server;
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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.NodeList;
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14
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15 import org.apache.log4j.Logger;
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16
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17 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
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18
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19 import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException;
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20 import org.dive4elements.artifacts.httpclient.http.HttpClient;
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21 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl;
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22 import org.dive4elements.artifacts.httpclient.http.response.DocumentResponseHandler;
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23
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24 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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25 import org.dive4elements.artifacts.common.utils.XMLUtils;
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26
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27 import org.dive4elements.river.client.shared.exceptions.ServerException;
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28 import org.dive4elements.river.client.client.services.CollectionItemAttributeService;
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29
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30 import org.dive4elements.river.client.shared.model.Collection;
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31 import org.dive4elements.river.client.shared.model.CollectionItemAttribute;
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32 import org.dive4elements.river.client.shared.model.Style;
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33 import org.dive4elements.river.client.shared.model.StyleSetting;
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34
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35
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36 /**
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37 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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38 */
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39 public class CollectionItemAttributeServiceImpl
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40 extends RemoteServiceServlet
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41 implements CollectionItemAttributeService
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42 {
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43 private static final Logger log =
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44 Logger.getLogger(CollectionItemAttributeServiceImpl.class);
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45
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46
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47 public static final String XPATH_RESULT = "/art:result/text()";
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48
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49 public static final String OPERATION_FAILURE = "FAILED";
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50
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51 public static final String ERROR_NO_STYLES_FOUND =
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52 "error_no_theme_styles_found";
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53
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54
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55 public CollectionItemAttribute getCollectionItemAttribute(
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56 Collection collection,
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57 String artifact,
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58 String locale)
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59 throws ServerException
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60 {
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61 log.info(
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62 "CollectionItemAttributeServiceImpl.getCollectionItemAttribute");
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63
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64 String url = getServletContext().getInitParameter("server-url");
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65
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66 Document requestDoc = XMLUtils.newDocument();
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67
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68 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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69 requestDoc,
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70 ArtifactNamespaceContext.NAMESPACE_URI,
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71 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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72
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73 Element action = ec.create("action");
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74
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75 Element type = ec.create("type");
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76 ec.addAttr(type, "name", "getitemattribute", false);
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77
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78 Element art = ec.create("artifact");
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79 ec.addAttr(art, "uuid", artifact, false);
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80
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81 type.appendChild(art);
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82 action.appendChild(type);
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83 requestDoc.appendChild (action);
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84
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85 try {
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86 HttpClient client = new HttpClientImpl(url, locale);
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87 Document res = (Document) client.doCollectionAction(
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88 requestDoc,
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89 collection.identifier(),
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90 new DocumentResponseHandler());
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91 return readXML (res, artifact);
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92 }
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93 catch (ConnectionException ce) {
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94 log.error(ce, ce);
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95 }
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96
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97 throw new ServerException(ERROR_NO_STYLES_FOUND);
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98 }
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99
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100
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101 public void setCollectionItemAttribute(
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102 Collection collection,
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103 String artifact,
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104 String locale,
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105 CollectionItemAttribute attributes)
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106 throws ServerException
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107 {
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108 log.info(
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109 "CollectionItemAttributeServiceImpl.setCollectionItemAttribute");
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110
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111 String url = getServletContext().getInitParameter("server-url");
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112
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113 Document doc = writeXML(attributes, artifact);
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114
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115 try {
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116 HttpClient client = new HttpClientImpl(url, locale);
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117 Document res = (Document) client.doCollectionAction(
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118 doc,
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119 collection.identifier(),
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120 new DocumentResponseHandler());
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121
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122 return;
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123 }
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124 catch (ConnectionException ce) {
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125 log.error(ce, ce);
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126 throw new ServerException(ce.getLocalizedMessage());
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127 }
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128 }
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129
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130 protected CollectionItemAttribute readXML(Document doc, String artifact)
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131 throws ServerException
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132 {
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133 CollectionItemAttribute cia = new CollectionItemAttribute();
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134 cia.setArtifact(artifact);
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135
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136 Element root = doc.getDocumentElement();
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137 NodeList themes = root.getElementsByTagName("art:themes");
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138
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139 if (themes == null || themes.getLength() == 0) {
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140 throw new ServerException(ERROR_NO_STYLES_FOUND);
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141 }
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142
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143 Element e = (Element) themes.item(0);
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144 NodeList items = e.getElementsByTagName("theme");
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145
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146 for (int i = 0; i < items.getLength(); i++) {
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147 Style s = StyleHelper.getStyle ((Element) items.item(i));
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148 if(s == null) {
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149 throw new ServerException(ERROR_NO_STYLES_FOUND);
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150 }
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151 else {
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152 cia.appendStyle(s);
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153 }
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154 }
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155
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156 return cia;
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157 }
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158
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159
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160 protected Document writeXML (
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161 CollectionItemAttribute attributes,
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162 String artifact)
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163 {
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164 Document styles = XMLUtils.newDocument();
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165
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166 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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167 styles,
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168 ArtifactNamespaceContext.NAMESPACE_URI,
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169 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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170 Element action = ec.create("action");
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171 Element type = ec.create("type");
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172 type.setAttribute("name", "setitemattribute");
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173 Element art = ec.create("artifact");
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174 art.setAttribute("uuid", artifact);
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175 Element attr = ec.create("attribute");
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176 Element themes = ec.create("themes");
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177 action.appendChild(type);
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178 type.appendChild(art);
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179 art.appendChild(attr);
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180 attr.appendChild(themes);
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181
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182 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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183 styles,
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184 "",
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185 "");
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186
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187 for (int i = 0; i < attributes.getNumStyles(); i++) {
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188 Style s = attributes.getStyle(i);
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189 Element theme = creator.create("theme");
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190 theme.setAttribute("name", s.getName());
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191 theme.setAttribute("facet", s.getFacet());
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192 theme.setAttribute("index", String.valueOf(s.getIndex()));
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193 for (int j = 0; j < s.getNumSettings(); j++) {
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194 StyleSetting set = s.getSetting(j);
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195 Element field = creator.create("field");
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196 field.setAttribute("name", set.getName());
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197 field.setAttribute("display", set.getDisplayName());
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198 field.setAttribute("default", set.getDefaultValue());
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199 field.setAttribute("hints", set.getHints());
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200 field.setAttribute("type", set.getType());
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201 field.setAttribute("hidden", String.valueOf(set.isHidden()));
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202 theme.appendChild(field);
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203 }
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204 themes.appendChild(theme);
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205 }
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206 styles.appendChild(action);
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207 return styles;
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208 }
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209 }
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210 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org