Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/NextArtifactStepAction.java @ 150:c5408b0f34c7

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Now the UI will compelte be shown if the User has done an Mistake entering values to input-fields eg. Coordinates or formatted Date-Strings. issue 35 gnv/trunk@242 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Mon, 19 Oct 2009 10:30:28 +0000
parents 23a4f196d7d6
children d6b82c585f1f
rev   line source
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.action;
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5
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6 import java.util.ArrayList;
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7 import java.util.Collection;
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8 import java.util.Iterator;
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9
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10 import javax.servlet.http.HttpServletRequest;
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11 import javax.servlet.http.HttpServletResponse;
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12
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13 import org.apache.log4j.Logger;
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14 import org.apache.struts.action.ActionForm;
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15 import org.apache.struts.action.ActionForward;
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16 import org.apache.struts.action.ActionMapping;
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17 import org.w3c.dom.Node;
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18
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19 import de.intevation.gnv.action.sessionmodel.SessionModel;
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20 import de.intevation.gnv.action.sessionmodel.SessionModelFactory;
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21 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClient;
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22 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClientFactory;
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23 import de.intevation.gnv.artifactdatabase.objects.ArtifactDescription;
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24 import de.intevation.gnv.artifactdatabase.objects.ArtifactStatisticValue;
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25 import de.intevation.gnv.artifactdatabase.objects.DefaultInputParameter;
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26 import de.intevation.gnv.artifactdatabase.objects.InputParameter;
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27 import de.intevation.gnv.util.XMLUtils;
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28 import de.intevation.gnv.util.XSLTransformer;
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29
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30 /**
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31 * @author Tim Englich <tim.englich@intevation.de>
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32 *
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33 */
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34 public class NextArtifactStepAction extends ArtifactDatabaseActionBase {
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35 /**
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36 * the logger, used to log exceptions and additonaly information
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37 */
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38 private static Logger log = Logger
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39 .getLogger(SelectArtifactFactoryAction.class);
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40
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41 /**
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42 * Constructor
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43 */
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44 public NextArtifactStepAction() {
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45 super();
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46 }
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47
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48 /**
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49 * @see de.intevation.gnv.action.ArtifactDatabaseActionBase#execute(org.apache.struts.action.ActionMapping,
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50 * org.apache.struts.action.ActionForm,
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51 * javax.servlet.http.HttpServletRequest,
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52 * javax.servlet.http.HttpServletResponse)
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53 */
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54 @Override
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55 public ActionForward execute(ActionMapping mapping, ActionForm form,
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56 HttpServletRequest request,
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57 HttpServletResponse response) throws Exception {
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58 log.debug("NextArtifactStepAction.execute");
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59 SessionModel sm = SessionModelFactory.getInstance()
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60 .getSessionModel(request);
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61 ArtifactDescription ad = sm.getArtifactDescription();
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62 Collection<String> inputParameter = ad.getInputParameter();
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63 Collection<InputParameter> ips = null;
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64 if (inputParameter != null) {
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65 ips = new ArrayList<InputParameter>(inputParameter.size());
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66 Iterator<String> it = inputParameter.iterator();
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67 while (it.hasNext()) {
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68 String name = it.next();
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69 String[] values = request.getParameterValues(name);
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70 InputParameter ip = new DefaultInputParameter(name, values);
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71 ips.add(ip);
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72 }
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73 }
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74 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory
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75 .getInstance()
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76 .getArtifactDatabaseClient(getLocale(request));
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77 if (ad.getReachableStates() != null
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78 && !ad.getReachableStates().isEmpty()) {
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79 // TODO: Woher kommt der zu erreichende Status;
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80 String target = null;
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81 if (ad.getReachableStates().size() > 1) {
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82 target = request.getParameter("product"); // TODO HACK for
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83 // Propducts every
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84 // other Step has
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85 // currently only
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86 // one reachable
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87 // state.
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88 } else {
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89 target = ad.getReachableStates().iterator().next();
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90 }
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91
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92 ArtifactDescription artifactDescription;
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93 try {
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94 artifactDescription = adc.doNextStep(sm.getSelectedArtifactFactory(),
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95 sm.getCurrentArtifact(),
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96 target, ips);
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97 } catch (Exception e) {
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98 log.error(e, e);
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99 request.setAttribute(
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100 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
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101 .getMessage());
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102 artifactDescription = sm.getArtifactDescription();
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103 }
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104
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105 Node currentUI = artifactDescription.getCurrentUI();
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106 XSLTransformer transformer = new XSLTransformer();
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107 String ui = transformer
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108 .transform(
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109 new XMLUtils().getNodeXPath(currentUI,
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110 "dynamic"),
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111 "UTF-8",
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112 request
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113 .getRealPath("WEB-INF/config/templates/describe-ui.xsl"));
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114
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115 request.setAttribute("ui", ui);
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116
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117 String staticUI = transformer
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118 .transform(
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119 new XMLUtils()
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120 .getNodeXPath(currentUI, "static"),
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121 "UTF-8",
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122 request
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123 .getRealPath("WEB-INF/config/templates/describe-ui-static.xsl"));
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124 request.setAttribute("staticui", staticUI);
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125
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126 request.setAttribute("furthertargets",
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127 (ad.getReachableStates() != null && !ad
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128 .getReachableStates().isEmpty()));
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129
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130 } else {
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131 // statistic abholen und in das sessionmodell schreiben.
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132 ArtifactDescription artifactDescription;
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133 try{
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134 adc.doFeed(sm.getSelectedArtifactFactory(), sm
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135 .getCurrentArtifact(), ips);
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136
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137 Collection<ArtifactStatisticValue> statistics = adc
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138 .calculateStatistics(sm.getSelectedArtifactFactory(),
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139 sm.getCurrentArtifact());
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140 sm.setStatistics(statistics);
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141 artifactDescription = adc
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142 .getCurrentStepDescription(sm
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143 .getSelectedArtifactFactory(), sm
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144 .getCurrentArtifact());
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145
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146 request.setAttribute("diagramm", true);
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147
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148 } catch (Exception e) {
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149 log.error(e, e);
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150 request.setAttribute(
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151 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
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152 .getMessage());
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153 artifactDescription = sm.getArtifactDescription();
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154 }
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155
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156 Node currentUI = artifactDescription.getCurrentUI();
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157 XSLTransformer transformer = new XSLTransformer();
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158 String ui = transformer
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159 .transform(
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160 new XMLUtils().getNodeXPath(currentUI,
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161 "dynamic"),
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162 "UTF-8",
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163 request
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164 .getRealPath("WEB-INF/config/templates/describe-ui.xsl"));
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165
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166 request.setAttribute("ui", ui);
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167
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168 String staticUI = transformer
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169 .transform(
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170 new XMLUtils()
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171 .getNodeXPath(currentUI, "static"),
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172 "UTF-8",
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173 request
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174 .getRealPath("WEB-INF/config/templates/describe-ui-static.xsl"));
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175 request.setAttribute("staticui", staticUI);
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176
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177 request.setAttribute("furthertargets", false);
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178 }
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179 return super.execute(mapping, form, request, response);
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180 }
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181
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182 }
http://dive4elements.wald.intevation.org