Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/WMSAction.java @ 684:57fa8019fbdc

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Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>' gnv/trunk@858 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 29 Mar 2010 09:40:35 +0000
parents d49e8695786c
children 254f062e334b
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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19
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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 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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38 */
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39 public class WMSAction extends DescribeUIAction {
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40
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41 public static final String XPATH_MAPSERVER_PATH =
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42 "/art:meta/art:mapserver/art:server/text()";
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43
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44 public static final String XPATH_MAPSERVER_MAPFILE =
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45 "/art:meta/art:mapserver/art:map/text()";
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46
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47 public static final String XPATH_LAYER_TITLE =
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48 "/art:meta/art:layer/art:title/text()";
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49
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50 public static final String XPATH_LAYER_TTL =
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51 "/art:meta/art:layer/art:ttl/text()";
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52
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53 /**
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54 * the logger, used to log exceptions and additonaly information
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55 */
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56 private static Logger logger = Logger.getLogger(WMSAction.class);
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57
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58 /**
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59 * Constructor
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60 */
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61 public WMSAction() {
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62 super();
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63 }
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64
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65 @Override
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66 public ActionForward execute(ActionMapping mapping, ActionForm form,
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67 HttpServletRequest request,
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68 HttpServletResponse response) throws Exception {
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69 logger.debug("WMSAction.execute");
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70 try {
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71 SessionModel sm = SessionModelFactory.getInstance().getSessionModel(
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72 request);
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73
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74 OutputMode outputMode = sm.getOutputMode("wms");
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75 Collection<InputParameter> ips = null;
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76 if (outputMode != null) {
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77 Collection<OutputParameter> inputParameter =
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78 outputMode.getOutputParameters();
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79
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80 if (inputParameter != null) {
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81 ips = new ArrayList<InputParameter>(inputParameter.size());
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82 Iterator<OutputParameter> it = inputParameter.iterator();
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83 DiagrammOptions diagrammOptions = new DiagrammOptions();
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84
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85 int params = 0;
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86 while (it.hasNext()) {
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87 String name = it.next().getName();
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88 String[] values = request.getParameterValues(name);
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89 String value = request.getParameter(name);
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90 InputParameter ip = new DefaultInputParameter(name,
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91 values);
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92 ips.add(ip);
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93
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94 if (value != null) {
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95 ++params;
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96 diagrammOptions.setValue(name, value);
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97 }
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98 }
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99
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100 if (params > 0) {
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101 sm.setDiagrammOptions(diagrammOptions);
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102 }
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103 }
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104 }
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105
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106 ArtifactObject artifact = sm.getCurrentArtifact();
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107
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108 ArtifactDatabaseClientFactory factory =
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109 ArtifactDatabaseClientFactory.getInstance();
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110 ArtifactDatabaseClient adc = factory.getArtifactDatabaseClient(
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111 getLocale(request));
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112 ArtifactObject artifactfactory = sm.getSelectedArtifactFactory();
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113
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114 // do wms publishing
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115 Document meta = adc.publishWMS(artifactfactory,artifact,ips);
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116 String mapserverPath = XMLUtils.getStringXPath(
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117 meta, XPATH_MAPSERVER_PATH);
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118 String mapfilePath = XMLUtils.getStringXPath(
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119 meta, XPATH_MAPSERVER_MAPFILE);
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120 String layer = XMLUtils.getStringXPath(
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121 meta, XPATH_LAYER_TITLE);
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122 String tmpTTL = XMLUtils.getStringXPath(
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123 meta, XPATH_LAYER_TTL);
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124 layer = layer != null ? layer : artifact.getId();
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125
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126 String ttl = null;
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127 if (tmpTTL != null) {
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128 DateFormat df = DateFormat.getDateTimeInstance(
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129 DateFormat.LONG,
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130 DateFormat.LONG,
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131 request.getLocale());
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132
680
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133 try {
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134 long tmp = Long.parseLong(tmpTTL);
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135 ttl = df.format(new Date(tmp));
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136 }
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137 catch (NumberFormatException nfe) {
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138 logger.error("Error while parsing time to live.");
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139 logger.error(nfe,nfe);
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140
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141 ttl = "";
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142 }
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143 }
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144
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145 if (logger.isDebugEnabled()) {
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146 logger.debug("Mapserver path: " + mapserverPath);
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147 logger.debug("Mapfile path: " + mapfilePath);
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148 logger.debug("Layer title: " + layer);
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149 logger.debug("Layer ttl: " + ttl);
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150 }
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151
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152 request.setAttribute("wms", true);
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153 request.setAttribute("mapserver", mapserverPath);
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154 request.setAttribute("mapfile", mapfilePath);
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155 request.setAttribute("layer", layer);
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156 request.setAttribute("ttl", ttl);
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157 if (mapserverPath != null &&
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158 mapfilePath != null &&
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159 layer != null){
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160 request.setAttribute("wms_published", Boolean.TRUE);
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161 return super.execute(mapping, form, request, response);
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162 }else{
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163 return super.getExceptionForward(mapping);
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164 }
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165 }
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166 catch (Exception e) {
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167 logger.error(e, e);
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168 request.setAttribute(
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169 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID,
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170 e.getMessage());
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171
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172 return super.getExceptionForward(mapping);
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173 }
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174 }
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175
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176 }
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177 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org