Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/WMSAction.java @ 970:d91ffd0e8239

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Some small xpath changes for wms output regarding rev1134 (issue198). gnv/trunk@1135 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 27 May 2010 16:51:52 +0000
parents f550bd27a3f1
children d1ed5c51c0de
rev   line source
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cbd397712ecf Render an OpenLayers map with the layer even published after triggering shapefile and mapfile creation.
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diff changeset
1 package de.intevation.gnv.action;
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2
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3 import de.intevation.gnv.action.sessionmodel.DiagrammOptions;
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4 import de.intevation.gnv.action.sessionmodel.SessionModel;
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5 import de.intevation.gnv.action.sessionmodel.SessionModelFactory;
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6
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7 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClient;
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8 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClientFactory;
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9
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10 import de.intevation.gnv.artifactdatabase.objects.ArtifactObject;
d49e8695786c Ordered imports. Removed needless imports. Removed empty headers.
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11 import de.intevation.gnv.artifactdatabase.objects.DefaultInputParameter;
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12 import de.intevation.gnv.artifactdatabase.objects.InputParameter;
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13 import de.intevation.gnv.artifactdatabase.objects.OutputMode;
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14 import de.intevation.gnv.artifactdatabase.objects.OutputParameter;
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15
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16 import de.intevation.gnv.util.XMLUtils;
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17
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18 import java.text.DateFormat;
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20 import java.util.ArrayList;
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21 import java.util.Collection;
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22 import java.util.Date;
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23 import java.util.Iterator;
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24
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25 import javax.servlet.http.HttpServletRequest;
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26 import javax.servlet.http.HttpServletResponse;
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27
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28 import org.apache.log4j.Logger;
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30 import org.apache.struts.action.ActionForm;
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31 import org.apache.struts.action.ActionForward;
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32 import org.apache.struts.action.ActionMapping;
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34 import org.w3c.dom.Document;
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35
cbd397712ecf Render an OpenLayers map with the layer even published after triggering shapefile and mapfile creation.
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36 /**
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37 * This controller is used to publish the results of the current artifact as
254f062e334b Added JavaDoc.
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38 * WMS. The wms export mode of the artifact server is triggered which feeds a
254f062e334b Added JavaDoc.
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39 * MapServer with the given shapefiles (path to the shapefiles is stored in the
254f062e334b Added JavaDoc.
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40 * artifact). After calling this controller, the shapefiles are ready to be
254f062e334b Added JavaDoc.
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41 * queried as WMS layers.
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42 *
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43 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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44 */
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45 public class WMSAction extends DescribeUIAction {
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46
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47 public static final String XPATH_MAPSERVER_PATH =
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48 "/art:meta/art:mapserver/art:server/text()";
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49
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50 public static final String XPATH_MAPSERVER_MAPFILE =
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51 "/art:meta/art:mapserver/art:map/text()";
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52
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53 public static final String XPATH_LAYER_TITLE =
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54 "/art:meta/art:layer/art:title/text()";
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55
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56 public static final String XPATH_LAYER_NAME =
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57 "/art:meta/art:layer/art:name/text()";
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58
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59 public static final String XPATH_TTL =
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60 "/art:meta/art:mapserver/art:ttl/text()";
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61
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62 /**
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63 * the logger, used to log exceptions and additonaly information
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64 */
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65 private static Logger logger = Logger.getLogger(WMSAction.class);
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66
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67 /**
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68 * Constructor
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69 */
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70 public WMSAction() {
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71 super();
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72 }
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73
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74 @Override
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75 public ActionForward execute(ActionMapping mapping, ActionForm form,
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76 HttpServletRequest request,
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77 HttpServletResponse response) throws Exception {
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78 logger.debug("WMSAction.execute");
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79 try {
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80 SessionModel sm = SessionModelFactory.getInstance().getSessionModel(
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81 request);
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82
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83 OutputMode outputMode = sm.getOutputMode("wms");
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84 Collection<InputParameter> ips = null;
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85 if (outputMode != null) {
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86 Collection<OutputParameter> inputParameter =
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87 outputMode.getOutputParameters();
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88
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89 if (inputParameter != null) {
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90 ips = new ArrayList<InputParameter>(inputParameter.size());
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91 Iterator<OutputParameter> it = inputParameter.iterator();
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92 DiagrammOptions diagrammOptions = new DiagrammOptions();
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93
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94 int params = 0;
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95 while (it.hasNext()) {
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96 String name = it.next().getName();
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97 String[] values = request.getParameterValues(name);
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98 String value = request.getParameter(name);
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99 InputParameter ip = new DefaultInputParameter(name,
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100 encode(values));
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101 ips.add(ip);
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102
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103 if (value != null) {
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104 ++params;
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105 diagrammOptions.setValue(name, encode(value));
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106 }
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107 }
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108
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109 if (params > 0) {
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110 sm.setDiagrammOptions(diagrammOptions);
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111 }
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112 }
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113 }
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114
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115 ArtifactObject artifact = sm.getCurrentArtifact();
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116
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117 ArtifactDatabaseClientFactory factory =
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118 ArtifactDatabaseClientFactory.getInstance();
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119 ArtifactDatabaseClient adc = factory.getArtifactDatabaseClient(
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120 getLocale(request));
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121 ArtifactObject artifactfactory = sm.getSelectedArtifactFactory();
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122
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123 // do wms publishing
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124 Document meta = adc.publishWMS(artifactfactory,artifact,ips);
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125 String mapserverPath = XMLUtils.getStringXPath(
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126 meta, XPATH_MAPSERVER_PATH);
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127 String mapfilePath = XMLUtils.getStringXPath(
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128 meta, XPATH_MAPSERVER_MAPFILE);
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129 String layer = XMLUtils.getStringXPath(
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130 meta, XPATH_LAYER_NAME);
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131 String tmpTTL = XMLUtils.getStringXPath(
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132 meta, XPATH_TTL);
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133 layer = layer != null ? layer : artifact.getId();
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134
680
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135 String ttl = null;
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136 if (tmpTTL != null) {
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137 DateFormat df = DateFormat.getDateTimeInstance(
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138 DateFormat.LONG,
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139 DateFormat.LONG,
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140 request.getLocale());
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141
680
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142 try {
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143 long tmp = Long.parseLong(tmpTTL);
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144 ttl = df.format(new Date(tmp));
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145 }
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146 catch (NumberFormatException nfe) {
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147 logger.error("Error while parsing time to live.");
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148 logger.error(nfe,nfe);
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149
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150 ttl = "";
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151 }
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152 }
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153
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154 if (logger.isDebugEnabled()) {
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155 logger.debug("Mapserver path: " + mapserverPath);
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156 logger.debug("Mapfile path: " + mapfilePath);
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157 logger.debug("Layer: " + layer);
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158 logger.debug("Layer ttl: " + ttl);
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159 }
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160
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161 request.setAttribute("wms", true);
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162 request.setAttribute("mapserver", mapserverPath);
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163 request.setAttribute("mapfile", mapfilePath);
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164 request.setAttribute("layer", layer);
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165 request.setAttribute("ttl", ttl);
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166 if (mapserverPath != null &&
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167 mapfilePath != null &&
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168 layer != null){
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169 request.setAttribute("wms_published", Boolean.TRUE);
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170 return super.execute(mapping, form, request, response);
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171 }else{
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172 return super.execute(mapping, form, request, response);
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173 }
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174 }
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175 catch (Exception e) {
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176 logger.error(e, e);
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177 request.setAttribute(
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178 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID,
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179 e.getMessage());
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180
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181 return super.getExceptionForward(mapping);
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182 }
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183 }
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184 }
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185 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org