Mercurial > dive4elements > gnv-client
annotate gnv/src/main/java/de/intevation/gnv/action/DoExportAction.java @ 683:d49e8695786c
Ordered imports. Removed needless imports. Removed empty headers.
gnv/trunk@855 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 29 Mar 2010 09:10:25 +0000 |
parents | 15ac78a91d1b |
children | 57fa8019fbdc |
rev | line source |
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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 * @author Tim Englich <tim.englich@intevation.de> |
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32 * |
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33 */ |
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34 public class DoExportAction extends ArtifactDatabaseActionBase { |
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35 |
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36 /** |
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37 * the logger, used to log exceptions and additonaly information |
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38 */ |
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39 private static Logger log = Logger.getLogger(DoExportAction.class); |
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40 |
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41 /** |
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42 * Constructor |
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43 */ |
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44 public DoExportAction() { |
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45 super(); |
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46 } |
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47 |
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48 /** |
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49 * @see de.intevation.gnv.action.ArtifactDatabaseActionBase#execute(org.apache.struts.action.ActionMapping, |
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50 * org.apache.struts.action.ActionForm, |
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51 * javax.servlet.http.HttpServletRequest, |
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52 * javax.servlet.http.HttpServletResponse) |
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53 */ |
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54 @Override |
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55 public ActionForward execute( |
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56 ActionMapping mapping, |
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57 ActionForm form, |
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58 HttpServletRequest request, |
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59 HttpServletResponse response) |
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60 throws Exception |
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61 { |
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62 try { |
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63 String target = request.getParameter("target"); |
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64 String mimeType = request.getParameter("mimetype"); |
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65 String mode = request.getParameter("mode"); |
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66 |
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67 log.debug("Target: " + target); |
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68 log.debug("MimeType: " + mimeType); |
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69 log.debug("ExportMode: " + mode); |
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70 |
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71 SessionModel sm = SessionModelFactory.getInstance() |
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72 .getSessionModel(request); |
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73 OutputMode outputMode = sm.getOutputMode(target); |
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74 if (outputMode != null) { |
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75 ExportMode exportMode = outputMode.getExportMode(mode); |
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76 |
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77 if (target.equals(mode) || (exportMode != null |
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78 && exportMode.getMimeType().equals(mimeType))) |
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79 { |
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80 Collection<OutputParameter> inputParameter = outputMode |
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81 .getOutputParameters(); |
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82 Collection<InputParameter> ips = null; |
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83 if (inputParameter != null) { |
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84 ips = new ArrayList<InputParameter>(inputParameter.size()); |
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85 Iterator<OutputParameter> it = inputParameter.iterator(); |
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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 InputParameter ip = new DefaultInputParameter(name, |
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90 values); |
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91 ips.add(ip); |
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92 } |
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93 } |
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94 |
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95 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory |
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96 .getInstance() |
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97 .getArtifactDatabaseClient(getLocale(request)); |
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98 |
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99 this.setHeaders(mode, mimeType, response, request); |
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100 |
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101 OutputStream outputStream = response.getOutputStream(); |
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102 adc.doOutput( |
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103 sm.getSelectedArtifactFactory(), |
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104 sm.getCurrentArtifact(), |
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105 outputStream, |
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106 target, |
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107 mode, |
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108 mimeType, |
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109 ips); |
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110 |
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111 outputStream.flush(); |
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112 outputStream.close(); |
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113 } |
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114 else if (exportMode == null) { |
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115 Collection<OutputParameter> inputParameter = outputMode |
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116 .getOutputParameters(); |
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117 Collection<InputParameter> ips = null; |
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118 if (inputParameter != null) { |
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119 ips = new ArrayList<InputParameter>(inputParameter.size()); |
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120 Iterator<OutputParameter> it = inputParameter.iterator(); |
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121 while (it.hasNext()) { |
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122 String name = it.next().getName(); |
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123 String[] values = request.getParameterValues(name); |
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124 InputParameter ip = new DefaultInputParameter(name, |
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125 values); |
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126 ips.add(ip); |
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127 } |
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128 } |
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129 |
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130 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory |
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131 .getInstance() |
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132 .getArtifactDatabaseClient(getLocale(request)); |
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133 |
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134 this.setHeaders(target, mimeType, response, request); |
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135 |
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136 OutputStream outputStream = response.getOutputStream(); |
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137 adc.doOutput( |
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138 sm.getSelectedArtifactFactory(), |
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139 sm.getCurrentArtifact(), |
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140 outputStream, |
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141 target, |
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142 mode, |
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143 mimeType, |
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144 ips); |
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145 |
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146 outputStream.flush(); |
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147 outputStream.close(); |
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148 } |
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149 else { |
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150 if (outputMode == null) { |
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151 log.error("Outputmode is not supported."); |
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152 } |
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153 else if (!exportMode.getMimeType().equals(mimeType)) { |
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154 log.error("MimeType "+mimeType+" wis not supported."); |
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155 } |
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156 // TODO FIXME: Fehlerbehandlung |
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157 } |
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158 } |
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159 return super.execute(mapping, form, request, response); |
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160 } catch (Exception e) { |
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161 log.error(e, e); |
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162 request.setAttribute( |
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163 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e |
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164 .getMessage()); |
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165 return super.getExceptionForward(mapping); |
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166 } |
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167 } |
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168 |
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169 protected void setHeaders(String target, String mimeType, |
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170 HttpServletResponse response, |
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171 HttpServletRequest request) { |
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172 log.debug("DoExportAction.setHeaders"); |
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173 try { |
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174 response.setHeader("Content-Type", mimeType); |
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175 String fileName = "GNVEXPORT_" + System.currentTimeMillis() + "."; |
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176 |
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177 target = target.toLowerCase(); |
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178 log.debug("******************************************************"); |
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179 log.debug("TARGET: " + target); |
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180 log.debug("MIMETYPE: " + mimeType); |
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181 |
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182 if (target.equals("chart")) { |
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183 fileName = fileName |
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184 + mimeType.substring(mimeType.indexOf("/") + 1); |
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185 } |
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186 else if (target.equals("histogram")) { |
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187 fileName = fileName |
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188 + mimeType.substring(mimeType.indexOf("/") + 1); |
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189 } |
589
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190 else if (target.equals("img")) { |
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191 fileName = fileName |
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192 + mimeType.substring(mimeType.indexOf("/") + 1); |
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193 } |
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194 else if (target.equals("pdf")) { |
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195 fileName = fileName + "pdf"; |
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196 } else if (target.equals("svg")) { |
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197 fileName = fileName + "svg"; |
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198 } else if (target.equals("csv")) { |
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199 fileName = fileName + "csv"; |
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200 } else if (target.equals("zip")) { |
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201 fileName = fileName + "zip"; |
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202 } else if (target.equals("wms")) { |
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203 fileName = fileName + "xml"; |
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204 } else { |
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205 fileName = fileName + "txt"; |
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206 } |
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207 log.debug("FileName for Export: " + fileName); |
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208 response.setHeader("Content-Disposition", "attachment;filename=" |
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209 + fileName); |
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210 } catch (Exception e) { |
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211 log.error(e, e); |
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212 } |
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213 } |
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214 } |