Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/CollectionItemAttributeServiceImpl.java @ 9726:0a5239a1e46e 3.2.x

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Upgrade to Log4j 2
author Tom Gottfried <tom@intevation.de>
date Wed, 02 Mar 2022 10:26:50 +0100
parents 238fc722f87a
children
rev   line source
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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.logging.log4j.Logger;
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16 import org.apache.logging.log4j.LogManager;
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17
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18 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
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19
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20 import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException;
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21 import org.dive4elements.artifacts.httpclient.http.HttpClient;
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22 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl;
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23 import org.dive4elements.artifacts.httpclient.http.response.DocumentResponseHandler;
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24
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25 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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26 import org.dive4elements.artifacts.common.utils.XMLUtils;
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27
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28 import org.dive4elements.river.client.shared.exceptions.ServerException;
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29 import org.dive4elements.river.client.client.services.CollectionItemAttributeService;
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30
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31 import org.dive4elements.river.client.shared.model.Collection;
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32 import org.dive4elements.river.client.shared.model.CollectionItemAttribute;
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33 import org.dive4elements.river.client.shared.model.Style;
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34 import org.dive4elements.river.client.shared.model.StyleSetting;
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35
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36
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37 /**
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38 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
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39 */
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40 public class CollectionItemAttributeServiceImpl
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41 extends RemoteServiceServlet
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42 implements CollectionItemAttributeService
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43 {
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44 private static final Logger log =
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45 LogManager.getLogger(CollectionItemAttributeServiceImpl.class);
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46
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47
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48 public static final String XPATH_RESULT = "/art:result/text()";
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49
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50 public static final String OPERATION_FAILURE = "FAILED";
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51
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52 public static final String ERROR_NO_STYLES_FOUND =
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53 "error_no_theme_styles_found";
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54
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55
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56 public CollectionItemAttribute getCollectionItemAttribute(
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57 Collection collection,
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58 String artifact,
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59 String locale)
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60 throws ServerException
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61 {
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62 log.info(
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63 "CollectionItemAttributeServiceImpl.getCollectionItemAttribute");
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64
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65 String url = getServletContext().getInitParameter("server-url");
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66
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67 Document requestDoc = XMLUtils.newDocument();
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68
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69 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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70 requestDoc,
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71 ArtifactNamespaceContext.NAMESPACE_URI,
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72 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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73
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74 Element action = ec.create("action");
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75
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76 Element type = ec.create("type");
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77 ec.addAttr(type, "name", "getitemattribute", false);
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78
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79 Element art = ec.create("artifact");
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80 ec.addAttr(art, "uuid", artifact, false);
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81
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82 type.appendChild(art);
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83 action.appendChild(type);
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84 requestDoc.appendChild (action);
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85
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86 try {
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87 HttpClient client = new HttpClientImpl(url, locale);
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88 Document res = (Document) client.doCollectionAction(
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89 requestDoc,
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90 collection.identifier(),
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91 new DocumentResponseHandler());
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92 return readXML (res, artifact);
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93 }
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94 catch (ConnectionException ce) {
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95 log.error(ce, ce);
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96 }
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97
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98 throw new ServerException(ERROR_NO_STYLES_FOUND);
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99 }
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100
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101
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102 public void setCollectionItemAttribute(
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103 Collection collection,
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104 String artifact,
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105 String locale,
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106 CollectionItemAttribute attributes)
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107 throws ServerException
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108 {
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109 log.info(
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110 "CollectionItemAttributeServiceImpl.setCollectionItemAttribute");
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111
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112 String url = getServletContext().getInitParameter("server-url");
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113
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114 Document doc = writeXML(attributes, artifact);
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115
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116 try {
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117 HttpClient client = new HttpClientImpl(url, locale);
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118 Document res = (Document) client.doCollectionAction(
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119 doc,
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120 collection.identifier(),
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121 new DocumentResponseHandler());
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122
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123 return;
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124 }
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125 catch (ConnectionException ce) {
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126 log.error(ce, ce);
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127 throw new ServerException(ce.getLocalizedMessage());
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128 }
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129 }
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130
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131 protected CollectionItemAttribute readXML(Document doc, String artifact)
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132 throws ServerException
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133 {
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134 CollectionItemAttribute cia = new CollectionItemAttribute();
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135 cia.setArtifact(artifact);
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136
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137 Element root = doc.getDocumentElement();
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138 NodeList themes = root.getElementsByTagName("art:themes");
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139
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140 if (themes == null || themes.getLength() == 0) {
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141 throw new ServerException(ERROR_NO_STYLES_FOUND);
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142 }
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143
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144 Element e = (Element) themes.item(0);
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145 NodeList items = e.getElementsByTagName("theme");
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146
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147 for (int i = 0; i < items.getLength(); i++) {
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148 Style s = StyleHelper.getStyle ((Element) items.item(i));
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149 if(s == null) {
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150 throw new ServerException(ERROR_NO_STYLES_FOUND);
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151 }
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152 else {
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153 cia.appendStyle(s);
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154 }
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155 }
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156
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157 return cia;
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158 }
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159
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160
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161 protected Document writeXML (
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162 CollectionItemAttribute attributes,
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163 String artifact)
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164 {
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165 Document styles = XMLUtils.newDocument();
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166
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167 XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator(
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168 styles,
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169 ArtifactNamespaceContext.NAMESPACE_URI,
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170 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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171 Element action = ec.create("action");
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172 Element type = ec.create("type");
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173 type.setAttribute("name", "setitemattribute");
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174 Element art = ec.create("artifact");
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175 art.setAttribute("uuid", artifact);
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176 Element attr = ec.create("attribute");
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177 Element themes = ec.create("themes");
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178 action.appendChild(type);
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179 type.appendChild(art);
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180 art.appendChild(attr);
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181 attr.appendChild(themes);
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182
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183 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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184 styles,
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185 "",
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186 "");
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187
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188 for (int i = 0; i < attributes.getNumStyles(); i++) {
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189 Style s = attributes.getStyle(i);
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190 Element theme = creator.create("theme");
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191 theme.setAttribute("name", s.getName());
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192 theme.setAttribute("facet", s.getFacet());
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193 theme.setAttribute("index", String.valueOf(s.getIndex()));
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194 for (int j = 0; j < s.getNumSettings(); j++) {
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195 StyleSetting set = s.getSetting(j);
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196 Element field = creator.create("field");
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197 field.setAttribute("name", set.getName());
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198 field.setAttribute("display", set.getDisplayName());
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199 field.setAttribute("default", set.getDefaultValue());
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200 field.setAttribute("hints", set.getHints());
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201 field.setAttribute("type", set.getType());
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202 field.setAttribute("hidden", String.valueOf(set.isHidden()));
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203 theme.appendChild(field);
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204 }
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205 themes.appendChild(theme);
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206 }
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207 styles.appendChild(action);
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208 return styles;
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209 }
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210 }
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211 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org