Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/DoExportAction.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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Tim Englich <tim.englich@intevation.de>
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diff changeset
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 <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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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
573
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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();
583
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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);
573
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110
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111 outputStream.flush();
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112 outputStream.close();
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113 }
576
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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();
583
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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);
576
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145
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146 outputStream.flush();
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147 outputStream.close();
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148 }
573
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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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diff changeset
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 }
bd67164cf28b Devided actions and exports. Adjusted output and export actions.
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168
29
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169 protected void setHeaders(String target, String mimeType,
38
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170 HttpServletResponse response,
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171 HttpServletRequest request) {
29
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172 log.debug("DoExportAction.setHeaders");
34
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diff changeset
173 try {
573
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diff changeset
174 response.setHeader("Content-Type", mimeType);
36
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diff changeset
175 String fileName = "GNVEXPORT_" + System.currentTimeMillis() + ".";
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176
398
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diff changeset
177 target = target.toLowerCase();
589
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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);
398
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181
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diff changeset
182 if (target.equals("chart")) {
36
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183 fileName = fileName
38
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diff changeset
184 + mimeType.substring(mimeType.indexOf("/") + 1);
681
15ac78a91d1b Removed trailing whitespace.
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185 }
579
dc548655a66e Removed litte copy-paste mistake while setting file-extension for exports.
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parents: 578
diff changeset
186 else if (target.equals("histogram")) {
578
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187 fileName = fileName
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188 + mimeType.substring(mimeType.indexOf("/") + 1);
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189 }
589
960ae818296e img-Exports will get a file extension that corresponds to their mime-type (issue187).
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diff changeset
190 else if (target.equals("img")) {
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diff changeset
191 fileName = fileName
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diff changeset
192 + mimeType.substring(mimeType.indexOf("/") + 1);
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193 }
398
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diff changeset
194 else if (target.equals("pdf")) {
283
ef10bf497a16 Added link in gui to export charts to pdf.
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diff changeset
195 fileName = fileName + "pdf";
398
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diff changeset
196 } else if (target.equals("svg")) {
284
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diff changeset
197 fileName = fileName + "svg";
398
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diff changeset
198 } else if (target.equals("csv")) {
36
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diff changeset
199 fileName = fileName + "csv";
398
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diff changeset
200 } else if (target.equals("zip")) {
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parents: 284
diff changeset
201 fileName = fileName + "zip";
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diff changeset
202 } else if (target.equals("wms")) {
9005b39c52ac Only display chart addons if we really display a chart.
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diff changeset
203 fileName = fileName + "xml";
36
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diff changeset
204 } else {
ad381cc47217 Format Code to max 80 Chars per Row
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parents: 34
diff changeset
205 fileName = fileName + "txt";
34
25fdec8b4c69 Added Global Errorhandling to the GNV-Client
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parents: 29
diff changeset
206 }
36
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diff changeset
207 log.debug("FileName for Export: " + fileName);
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diff changeset
208 response.setHeader("Content-Disposition", "attachment;filename="
38
fccf90761825 Format Code to max 80 Chars per Row better Formatter choosen
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parents: 36
diff changeset
209 + fileName);
34
25fdec8b4c69 Added Global Errorhandling to the GNV-Client
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parents: 29
diff changeset
210 } catch (Exception e) {
36
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diff changeset
211 log.error(e, e);
29
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diff changeset
212 }
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213 }
bba8fd97e549 Export and Diagrammoptions integrated into GUI
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214 }
http://dive4elements.wald.intevation.org