Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/CollectionItemAttributeServiceImpl.java @ 8203:238fc722f87a

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sed 's/logger/log/g' src/**/*.java
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 05 Sep 2014 13:19:22 +0200
parents ea9eef426962
children 0a5239a1e46e
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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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