Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/DoExportAction.java @ 699:af22fa5567a6

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Removed trailing whitespace. gnv/trunk@935 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sat, 17 Apr 2010 09:31:48 +0000
parents 254f062e334b
children 89ade245ca7a
rev   line source
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Tim Englich <tim.englich@intevation.de>
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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.SessionModel;
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4 import de.intevation.gnv.action.sessionmodel.SessionModelFactory;
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5
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6 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClient;
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7 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClientFactory;
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8
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9 import de.intevation.gnv.artifactdatabase.objects.DefaultInputParameter;
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10 import de.intevation.gnv.artifactdatabase.objects.ExportMode;
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11 import de.intevation.gnv.artifactdatabase.objects.InputParameter;
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12 import de.intevation.gnv.artifactdatabase.objects.OutputMode;
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13 import de.intevation.gnv.artifactdatabase.objects.OutputParameter;
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14
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15 import java.io.OutputStream;
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16
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17 import java.util.ArrayList;
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18 import java.util.Collection;
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19 import java.util.Iterator;
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20
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21 import javax.servlet.http.HttpServletRequest;
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22 import javax.servlet.http.HttpServletResponse;
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23
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24 import org.apache.log4j.Logger;
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25
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26 import org.apache.struts.action.ActionForm;
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27 import org.apache.struts.action.ActionForward;
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28 import org.apache.struts.action.ActionMapping;
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29
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30 /**
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31 * This controller is called to trigger an export (e.g. pdf, svg, image). A
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32 * 'save-file' dialog is opened to save the export.
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33 *
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34 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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35 */
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36 public class DoExportAction extends ArtifactDatabaseActionBase {
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38 /**
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39 * the logger, used to log exceptions and additonaly information
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40 */
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41 private static Logger log = Logger.getLogger(DoExportAction.class);
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42
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43 /**
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44 * Constructor
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45 */
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46 public DoExportAction() {
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47 super();
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48 }
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49
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51 @Override
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52 public ActionForward execute(
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53 ActionMapping mapping,
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54 ActionForm form,
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55 HttpServletRequest request,
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56 HttpServletResponse response)
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57 throws Exception
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58 {
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59 try {
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60 String target = request.getParameter("target");
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61 String mimeType = request.getParameter("mimetype");
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62 String mode = request.getParameter("mode");
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63
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64 log.debug("Target: " + target);
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65 log.debug("MimeType: " + mimeType);
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66 log.debug("ExportMode: " + mode);
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67
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68 SessionModel sm = SessionModelFactory.getInstance()
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69 .getSessionModel(request);
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70 OutputMode outputMode = sm.getOutputMode(target);
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71 if (outputMode != null) {
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72 ExportMode exportMode = outputMode.getExportMode(mode);
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73
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74 if (target.equals(mode) || (exportMode != null
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75 && exportMode.getMimeType().equals(mimeType)))
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76 {
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77 Collection<OutputParameter> inputParameter = outputMode
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78 .getOutputParameters();
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79 Collection<InputParameter> ips = null;
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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 while (it.hasNext()) {
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84 String name = it.next().getName();
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85 String[] values = request.getParameterValues(name);
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86 InputParameter ip = new DefaultInputParameter(name,
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87 values);
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88 ips.add(ip);
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89 }
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90 }
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91
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92 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory
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93 .getInstance()
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94 .getArtifactDatabaseClient(getLocale(request));
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95
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96 this.setHeaders(mode, mimeType, response, request);
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97
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98 OutputStream outputStream = response.getOutputStream();
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99 adc.doOutput(
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100 sm.getSelectedArtifactFactory(),
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101 sm.getCurrentArtifact(),
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102 outputStream,
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103 target,
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104 mode,
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105 mimeType,
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106 ips);
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107
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108 outputStream.flush();
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109 outputStream.close();
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110 }
576
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111 else if (exportMode == null) {
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112 Collection<OutputParameter> inputParameter = outputMode
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113 .getOutputParameters();
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114 Collection<InputParameter> ips = null;
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115 if (inputParameter != null) {
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116 ips = new ArrayList<InputParameter>(inputParameter.size());
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117 Iterator<OutputParameter> it = inputParameter.iterator();
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118 while (it.hasNext()) {
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119 String name = it.next().getName();
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120 String[] values = request.getParameterValues(name);
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121 InputParameter ip = new DefaultInputParameter(name,
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122 values);
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123 ips.add(ip);
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124 }
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125 }
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126
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127 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory
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128 .getInstance()
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129 .getArtifactDatabaseClient(getLocale(request));
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130
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131 this.setHeaders(target, mimeType, response, request);
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132
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133 OutputStream outputStream = response.getOutputStream();
583
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134 adc.doOutput(
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135 sm.getSelectedArtifactFactory(),
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136 sm.getCurrentArtifact(),
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137 outputStream,
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138 target,
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139 mode,
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140 mimeType,
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141 ips);
576
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142
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143 outputStream.flush();
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144 outputStream.close();
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145 }
573
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146 else {
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147 if (outputMode == null) {
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148 log.error("Outputmode is not supported.");
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149 }
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150 else if (!exportMode.getMimeType().equals(mimeType)) {
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151 log.error("MimeType "+mimeType+" wis not supported.");
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152 }
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153 // TODO FIXME: Fehlerbehandlung
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154 }
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155 }
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156 return super.execute(mapping, form, request, response);
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157 } catch (Exception e) {
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158 log.error(e, e);
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159 request.setAttribute(
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160 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
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161 .getMessage());
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162 return super.getExceptionForward(mapping);
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163 }
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164 }
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165
29
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166 protected void setHeaders(String target, String mimeType,
38
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167 HttpServletResponse response,
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168 HttpServletRequest request) {
29
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169 log.debug("DoExportAction.setHeaders");
34
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170 try {
573
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171 response.setHeader("Content-Type", mimeType);
36
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172 String fileName = "GNVEXPORT_" + System.currentTimeMillis() + ".";
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173
398
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174 target = target.toLowerCase();
589
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175 log.debug("******************************************************");
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176 log.debug("TARGET: " + target);
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177 log.debug("MIMETYPE: " + mimeType);
398
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178
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179 if (target.equals("chart")) {
36
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180 fileName = fileName
38
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181 + mimeType.substring(mimeType.indexOf("/") + 1);
681
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182 }
579
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183 else if (target.equals("histogram")) {
578
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184 fileName = fileName
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185 + mimeType.substring(mimeType.indexOf("/") + 1);
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186 }
589
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187 else if (target.equals("img")) {
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188 fileName = fileName
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189 + mimeType.substring(mimeType.indexOf("/") + 1);
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190 }
398
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191 else if (target.equals("pdf")) {
283
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192 fileName = fileName + "pdf";
398
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193 } else if (target.equals("svg")) {
284
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194 fileName = fileName + "svg";
398
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195 } else if (target.equals("csv")) {
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196 fileName = fileName + "csv";
398
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197 } else if (target.equals("zip")) {
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198 fileName = fileName + "zip";
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199 } else if (target.equals("wms")) {
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200 fileName = fileName + "xml";
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201 } else {
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diff changeset
202 fileName = fileName + "txt";
34
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203 }
36
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204 log.debug("FileName for Export: " + fileName);
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205 response.setHeader("Content-Disposition", "attachment;filename="
38
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diff changeset
206 + fileName);
34
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diff changeset
207 } catch (Exception e) {
36
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208 log.error(e, e);
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209 }
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210 }
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211 }
690
254f062e334b Added JavaDoc.
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diff changeset
212 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org