Mercurial > dive4elements > gnv-client
annotate gnv/src/main/java/de/intevation/gnv/action/DoExportAction.java @ 1022:28a0628b11b0
Added license file and license header.
gnv/trunk@1258 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Tue, 02 Nov 2010 17:15:08 +0000 |
parents | 33198e55371c |
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1 /* |
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2 * Copyright (c) 2010 by Intevation GmbH |
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3 * |
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4 * This program is free software under the LGPL (>=v2.1) |
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5 * Read the file LGPL.txt coming with the software for details |
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6 * or visit http://www.gnu.org/licenses/ if it does not exist. |
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7 */ |
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8 |
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9 package de.intevation.gnv.action; |
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10 |
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11 import de.intevation.gnv.action.sessionmodel.SessionModel; |
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12 import de.intevation.gnv.action.sessionmodel.SessionModelFactory; |
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13 |
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14 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClient; |
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15 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClientFactory; |
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16 |
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17 import de.intevation.gnv.artifactdatabase.objects.DefaultInputParameter; |
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18 import de.intevation.gnv.artifactdatabase.objects.ExportMode; |
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19 import de.intevation.gnv.artifactdatabase.objects.InputParameter; |
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20 import de.intevation.gnv.artifactdatabase.objects.OutputMode; |
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21 import de.intevation.gnv.artifactdatabase.objects.OutputParameter; |
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22 |
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23 import java.io.OutputStream; |
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24 |
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25 import java.util.ArrayList; |
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26 import java.util.Collection; |
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27 import java.util.Iterator; |
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28 |
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29 import javax.servlet.http.HttpServletRequest; |
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30 import javax.servlet.http.HttpServletResponse; |
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31 |
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32 import org.apache.log4j.Logger; |
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33 |
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34 import org.apache.struts.action.ActionForm; |
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35 import org.apache.struts.action.ActionForward; |
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36 import org.apache.struts.action.ActionMapping; |
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37 |
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38 /** |
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39 * This controller is called to trigger an export (e.g. pdf, svg, image). A |
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40 * 'save-file' dialog is opened to save the export. |
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41 * |
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42 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a> |
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43 */ |
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44 public class DoExportAction extends ArtifactDatabaseActionBase { |
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45 |
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46 /** |
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47 * the logger, used to log exceptions and additonaly information |
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48 */ |
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49 private static Logger log = Logger.getLogger(DoExportAction.class); |
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50 |
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51 /** |
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52 * Constructor |
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53 */ |
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54 public DoExportAction() { |
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55 super(); |
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56 } |
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57 |
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58 |
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59 @Override |
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60 public ActionForward execute( |
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61 ActionMapping mapping, |
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62 ActionForm form, |
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63 HttpServletRequest request, |
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64 HttpServletResponse response) |
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65 throws Exception |
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66 { |
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67 if (isSessionExhausted(request)) { |
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68 return sessionExhaustedForward(mapping, form, request, response); |
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69 } |
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70 |
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71 try { |
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72 String target = request.getParameter("target"); |
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73 String mimeType = request.getParameter("mimetype"); |
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74 String mode = request.getParameter("mode"); |
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75 |
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76 log.debug("Target: " + target); |
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77 log.debug("MimeType: " + mimeType); |
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78 log.debug("ExportMode: " + mode); |
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79 |
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80 SessionModel sm = SessionModelFactory.getInstance() |
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81 .getSessionModel(request); |
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82 OutputMode outputMode = sm.getOutputMode(target); |
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83 if (outputMode != null) { |
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84 ExportMode exportMode = outputMode.getExportMode(mode); |
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85 |
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86 if (target.equals(mode) || (exportMode != null |
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87 && exportMode.getMimeType().equals(mimeType))) |
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88 { |
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89 Collection<OutputParameter> inputParameter = outputMode |
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90 .getOutputParameters(); |
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91 Collection<InputParameter> ips = null; |
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92 if (inputParameter != null) { |
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93 ips = new ArrayList<InputParameter>(inputParameter.size()); |
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94 Iterator<OutputParameter> it = inputParameter.iterator(); |
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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 InputParameter ip = new DefaultInputParameter(name, |
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99 values); |
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100 ips.add(ip); |
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101 } |
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102 } |
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103 |
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104 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory |
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105 .getInstance() |
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106 .getArtifactDatabaseClient(getLocale(request)); |
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107 |
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108 this.setHeaders(mode, mimeType, response, request); |
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109 |
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110 OutputStream outputStream = response.getOutputStream(); |
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111 adc.doOutput( |
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112 sm.getSelectedArtifactFactory(), |
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113 sm.getCurrentArtifact(), |
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114 outputStream, |
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115 target, |
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116 mode, |
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117 mimeType, |
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118 ips); |
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119 |
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120 outputStream.flush(); |
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121 outputStream.close(); |
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122 } |
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123 else if (exportMode == null) { |
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124 Collection<OutputParameter> inputParameter = outputMode |
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125 .getOutputParameters(); |
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126 Collection<InputParameter> ips = null; |
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127 if (inputParameter != null) { |
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128 ips = new ArrayList<InputParameter>(inputParameter.size()); |
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129 Iterator<OutputParameter> it = inputParameter.iterator(); |
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130 while (it.hasNext()) { |
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131 String name = it.next().getName(); |
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132 String[] values = request.getParameterValues(name); |
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133 InputParameter ip = new DefaultInputParameter(name, |
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134 values); |
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135 ips.add(ip); |
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136 } |
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137 } |
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138 |
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139 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory |
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140 .getInstance() |
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141 .getArtifactDatabaseClient(getLocale(request)); |
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142 |
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143 this.setHeaders(target, mimeType, response, request); |
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144 |
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145 OutputStream outputStream = response.getOutputStream(); |
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146 adc.doOutput( |
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147 sm.getSelectedArtifactFactory(), |
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148 sm.getCurrentArtifact(), |
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149 outputStream, |
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150 target, |
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151 mode, |
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152 mimeType, |
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153 ips); |
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154 |
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155 outputStream.flush(); |
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156 outputStream.close(); |
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157 } |
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158 else { |
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159 if (outputMode == null) { |
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160 log.error("Outputmode is not supported."); |
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161 } |
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162 else if (!exportMode.getMimeType().equals(mimeType)) { |
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163 log.error("MimeType "+mimeType+" wis not supported."); |
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164 } |
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165 // TODO FIXME: Fehlerbehandlung |
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166 } |
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167 } |
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168 return super.execute(mapping, form, request, response); |
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169 } catch (Exception e) { |
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170 log.error(e, e); |
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171 request.setAttribute( |
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172 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e |
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173 .getMessage()); |
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174 return super.getExceptionForward(mapping); |
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175 } |
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176 } |
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177 |
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178 protected void setHeaders(String target, String mimeType, |
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179 HttpServletResponse response, |
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180 HttpServletRequest request) { |
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181 log.debug("DoExportAction.setHeaders"); |
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182 try { |
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183 response.setHeader("Content-Type", mimeType); |
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184 String fileName = "GNVEXPORT_" + System.currentTimeMillis() + "."; |
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185 |
398
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186 target = target.toLowerCase(); |
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187 log.debug("******************************************************"); |
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188 log.debug("TARGET: " + target); |
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189 log.debug("MIMETYPE: " + mimeType); |
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190 |
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191 if (target.equals("chart")) { |
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192 fileName = fileName |
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193 + mimeType.substring(mimeType.indexOf("/") + 1); |
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194 } |
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195 else if (target.equals("histogram")) { |
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196 fileName = fileName |
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197 + mimeType.substring(mimeType.indexOf("/") + 1); |
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198 } |
589
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199 else if (target.equals("img")) { |
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200 fileName = fileName |
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201 + mimeType.substring(mimeType.indexOf("/") + 1); |
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202 } |
398
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203 else if (target.equals("pdf")) { |
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204 fileName = fileName + "pdf"; |
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205 } else if (target.equals("svg")) { |
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206 fileName = fileName + "svg"; |
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207 } else if (target.equals("csv")) { |
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208 fileName = fileName + "csv"; |
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209 } else if (target.equals("zip")) { |
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210 fileName = fileName + "zip"; |
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211 } else if (target.equals("wms")) { |
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212 fileName = fileName + "xml"; |
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213 } else { |
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214 fileName = fileName + "txt"; |
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215 } |
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216 log.debug("FileName for Export: " + fileName); |
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217 response.setHeader("Content-Disposition", "attachment;filename=" |
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218 + fileName); |
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219 } catch (Exception e) { |
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220 log.error(e, e); |
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221 } |
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222 } |
bba8fd97e549
Export and Diagrammoptions integrated into GUI
Tim Englich <tim.englich@intevation.de>
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223 } |
700
89ade245ca7a
Using unix line endings only.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
699
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224 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |