Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/WMSAction.java @ 705:f550bd27a3f1

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Html characters in strings inserted by the user are quoted (issue221). gnv/trunk@969 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 22 Apr 2010 12:58:44 +0000
parents 254f062e334b
children d91ffd0e8239
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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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;
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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
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36 /**
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37 * This controller is used to publish the results of the current artifact as
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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
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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_TTL =
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57 "/art:meta/art:layer/art:ttl/text()";
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58
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59 /**
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60 * the logger, used to log exceptions and additonaly information
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61 */
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62 private static Logger logger = Logger.getLogger(WMSAction.class);
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63
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64 /**
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65 * Constructor
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66 */
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67 public WMSAction() {
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68 super();
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69 }
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70
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71 @Override
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72 public ActionForward execute(ActionMapping mapping, ActionForm form,
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73 HttpServletRequest request,
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74 HttpServletResponse response) throws Exception {
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75 logger.debug("WMSAction.execute");
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76 try {
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77 SessionModel sm = SessionModelFactory.getInstance().getSessionModel(
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78 request);
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79
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80 OutputMode outputMode = sm.getOutputMode("wms");
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81 Collection<InputParameter> ips = null;
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82 if (outputMode != null) {
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83 Collection<OutputParameter> inputParameter =
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84 outputMode.getOutputParameters();
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85
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86 if (inputParameter != null) {
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87 ips = new ArrayList<InputParameter>(inputParameter.size());
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88 Iterator<OutputParameter> it = inputParameter.iterator();
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89 DiagrammOptions diagrammOptions = new DiagrammOptions();
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90
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91 int params = 0;
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92 while (it.hasNext()) {
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93 String name = it.next().getName();
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94 String[] values = request.getParameterValues(name);
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95 String value = request.getParameter(name);
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96 InputParameter ip = new DefaultInputParameter(name,
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97 encode(values));
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98 ips.add(ip);
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99
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100 if (value != null) {
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101 ++params;
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102 diagrammOptions.setValue(name, encode(value));
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103 }
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104 }
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105
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106 if (params > 0) {
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107 sm.setDiagrammOptions(diagrammOptions);
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108 }
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109 }
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110 }
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111
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112 ArtifactObject artifact = sm.getCurrentArtifact();
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113
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114 ArtifactDatabaseClientFactory factory =
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115 ArtifactDatabaseClientFactory.getInstance();
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116 ArtifactDatabaseClient adc = factory.getArtifactDatabaseClient(
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117 getLocale(request));
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118 ArtifactObject artifactfactory = sm.getSelectedArtifactFactory();
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119
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120 // do wms publishing
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121 Document meta = adc.publishWMS(artifactfactory,artifact,ips);
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122 String mapserverPath = XMLUtils.getStringXPath(
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123 meta, XPATH_MAPSERVER_PATH);
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124 String mapfilePath = XMLUtils.getStringXPath(
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125 meta, XPATH_MAPSERVER_MAPFILE);
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126 String layer = XMLUtils.getStringXPath(
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127 meta, XPATH_LAYER_TITLE);
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128 String tmpTTL = XMLUtils.getStringXPath(
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129 meta, XPATH_LAYER_TTL);
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130 layer = layer != null ? layer : artifact.getId();
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131
680
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132 String ttl = null;
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133 if (tmpTTL != null) {
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134 DateFormat df = DateFormat.getDateTimeInstance(
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135 DateFormat.LONG,
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136 DateFormat.LONG,
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137 request.getLocale());
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138
680
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139 try {
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140 long tmp = Long.parseLong(tmpTTL);
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141 ttl = df.format(new Date(tmp));
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142 }
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143 catch (NumberFormatException nfe) {
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144 logger.error("Error while parsing time to live.");
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145 logger.error(nfe,nfe);
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146
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147 ttl = "";
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148 }
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149 }
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150
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151 if (logger.isDebugEnabled()) {
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152 logger.debug("Mapserver path: " + mapserverPath);
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153 logger.debug("Mapfile path: " + mapfilePath);
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154 logger.debug("Layer title: " + layer);
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155 logger.debug("Layer ttl: " + ttl);
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156 }
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157
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158 request.setAttribute("wms", true);
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159 request.setAttribute("mapserver", mapserverPath);
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160 request.setAttribute("mapfile", mapfilePath);
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161 request.setAttribute("layer", layer);
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162 request.setAttribute("ttl", ttl);
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163 if (mapserverPath != null &&
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164 mapfilePath != null &&
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165 layer != null){
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166 request.setAttribute("wms_published", Boolean.TRUE);
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167 return super.execute(mapping, form, request, response);
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168 }else{
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169 return super.getExceptionForward(mapping);
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170 }
570
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171 }
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172 catch (Exception e) {
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173 logger.error(e, e);
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174 request.setAttribute(
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175 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID,
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176 e.getMessage());
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177
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178 return super.getExceptionForward(mapping);
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179 }
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180 }
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181 }
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182 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org