Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/DoExportAction.java @ 991:33198e55371c

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Improved session handling in the gui. If a session has timed out, the user gets to the start point - the fis selection. gnv/trunk@1192 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 10 Jun 2010 15:13:08 +0000
parents 89ade245ca7a
children 28a0628b11b0
rev   line source
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bba8fd97e549 Export and Diagrammoptions integrated into GUI
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
1 package de.intevation.gnv.action;
bba8fd97e549 Export and Diagrammoptions integrated into GUI
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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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bba8fd97e549 Export and Diagrammoptions integrated into GUI
Tim Englich <tim.englich@intevation.de>
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30 /**
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Ingo Weinzierl <ingo.weinzierl@intevation.de>
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31 * This controller is called to trigger an export (e.g. pdf, svg, image). A
254f062e334b Added JavaDoc.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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32 * 'save-file' dialog is opened to save the export.
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af22fa5567a6 Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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33 *
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57fa8019fbdc Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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34 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
29
bba8fd97e549 Export and Diagrammoptions integrated into GUI
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35 */
573
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36 public class DoExportAction extends ArtifactDatabaseActionBase {
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37
bba8fd97e549 Export and Diagrammoptions integrated into GUI
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38 /**
bba8fd97e549 Export and Diagrammoptions integrated into GUI
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39 * the logger, used to log exceptions and additonaly information
bba8fd97e549 Export and Diagrammoptions integrated into GUI
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40 */
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41 private static Logger log = Logger.getLogger(DoExportAction.class);
36
ad381cc47217 Format Code to max 80 Chars per Row
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42
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bba8fd97e549 Export and Diagrammoptions integrated into GUI
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43 /**
bba8fd97e549 Export and Diagrammoptions integrated into GUI
Tim Englich <tim.englich@intevation.de>
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44 * Constructor
bba8fd97e549 Export and Diagrammoptions integrated into GUI
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45 */
bba8fd97e549 Export and Diagrammoptions integrated into GUI
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46 public DoExportAction() {
bba8fd97e549 Export and Diagrammoptions integrated into GUI
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47 super();
bba8fd97e549 Export and Diagrammoptions integrated into GUI
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48 }
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49
690
254f062e334b Added JavaDoc.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 684
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50
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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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33198e55371c Improved session handling in the gui. If a session has timed out, the user gets to the start point - the fis selection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 700
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59 if (isSessionExhausted(request)) {
33198e55371c Improved session handling in the gui. If a session has timed out, the user gets to the start point - the fis selection.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 700
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60 return sessionExhaustedForward(mapping, form, request, response);
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parents: 700
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61 }
33198e55371c Improved session handling in the gui. If a session has timed out, the user gets to the start point - the fis selection.
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parents: 700
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62
573
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63 try {
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64 String target = request.getParameter("target");
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65 String mimeType = request.getParameter("mimetype");
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66 String mode = request.getParameter("mode");
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parents: 398
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67
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68 log.debug("Target: " + target);
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parents: 398
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69 log.debug("MimeType: " + mimeType);
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parents: 398
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70 log.debug("ExportMode: " + mode);
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parents: 398
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71
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72 SessionModel sm = SessionModelFactory.getInstance()
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73 .getSessionModel(request);
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74 OutputMode outputMode = sm.getOutputMode(target);
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75 if (outputMode != null) {
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76 ExportMode exportMode = outputMode.getExportMode(mode);
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77
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78 if (target.equals(mode) || (exportMode != null
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79 && exportMode.getMimeType().equals(mimeType)))
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parents: 398
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80 {
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81 Collection<OutputParameter> inputParameter = outputMode
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82 .getOutputParameters();
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83 Collection<InputParameter> ips = null;
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84 if (inputParameter != null) {
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85 ips = new ArrayList<InputParameter>(inputParameter.size());
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parents: 398
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86 Iterator<OutputParameter> it = inputParameter.iterator();
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87 while (it.hasNext()) {
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88 String name = it.next().getName();
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89 String[] values = request.getParameterValues(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 }
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95
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96 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory
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97 .getInstance()
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98 .getArtifactDatabaseClient(getLocale(request));
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99
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100 this.setHeaders(mode, mimeType, response, request);
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101
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102 OutputStream outputStream = response.getOutputStream();
583
2f3d885fed09 Adjusted http requests and appended a new parameter export mode to 'out'-xml document to choose between svg, pdf or image exports.
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103 adc.doOutput(
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104 sm.getSelectedArtifactFactory(),
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parents: 579
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105 sm.getCurrentArtifact(),
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106 outputStream,
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107 target,
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parents: 579
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108 mode,
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parents: 579
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109 mimeType,
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parents: 579
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110 ips);
573
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111
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112 outputStream.flush();
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113 outputStream.close();
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114 }
576
b21fc7502750 Fixed issue 178. Export modes CSV and ODV work again.
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115 else if (exportMode == null) {
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116 Collection<OutputParameter> inputParameter = outputMode
b21fc7502750 Fixed issue 178. Export modes CSV and ODV work again.
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117 .getOutputParameters();
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118 Collection<InputParameter> ips = null;
b21fc7502750 Fixed issue 178. Export modes CSV and ODV work again.
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119 if (inputParameter != null) {
b21fc7502750 Fixed issue 178. Export modes CSV and ODV work again.
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120 ips = new ArrayList<InputParameter>(inputParameter.size());
b21fc7502750 Fixed issue 178. Export modes CSV and ODV work again.
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parents: 573
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121 Iterator<OutputParameter> it = inputParameter.iterator();
b21fc7502750 Fixed issue 178. Export modes CSV and ODV work again.
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122 while (it.hasNext()) {
b21fc7502750 Fixed issue 178. Export modes CSV and ODV work again.
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123 String name = it.next().getName();
b21fc7502750 Fixed issue 178. Export modes CSV and ODV work again.
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parents: 573
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124 String[] values = request.getParameterValues(name);
b21fc7502750 Fixed issue 178. Export modes CSV and ODV work again.
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parents: 573
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125 InputParameter ip = new DefaultInputParameter(name,
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parents: 573
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126 values);
b21fc7502750 Fixed issue 178. Export modes CSV and ODV work again.
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127 ips.add(ip);
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128 }
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129 }
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130
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131 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory
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132 .getInstance()
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133 .getArtifactDatabaseClient(getLocale(request));
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134
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135 this.setHeaders(target, mimeType, response, request);
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136
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137 OutputStream outputStream = response.getOutputStream();
583
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138 adc.doOutput(
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139 sm.getSelectedArtifactFactory(),
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140 sm.getCurrentArtifact(),
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141 outputStream,
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142 target,
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143 mode,
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144 mimeType,
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145 ips);
576
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146
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147 outputStream.flush();
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148 outputStream.close();
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149 }
573
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150 else {
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151 if (outputMode == null) {
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152 log.error("Outputmode is not supported.");
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153 }
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154 else if (!exportMode.getMimeType().equals(mimeType)) {
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155 log.error("MimeType "+mimeType+" wis not supported.");
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156 }
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157 // TODO FIXME: Fehlerbehandlung
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158 }
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159 }
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160 return super.execute(mapping, form, request, response);
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161 } catch (Exception e) {
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162 log.error(e, e);
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163 request.setAttribute(
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diff changeset
164 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
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165 .getMessage());
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166 return super.getExceptionForward(mapping);
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167 }
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168 }
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169
29
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170 protected void setHeaders(String target, String mimeType,
38
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171 HttpServletResponse response,
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172 HttpServletRequest request) {
29
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173 log.debug("DoExportAction.setHeaders");
34
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174 try {
573
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diff changeset
175 response.setHeader("Content-Type", mimeType);
36
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diff changeset
176 String fileName = "GNVEXPORT_" + System.currentTimeMillis() + ".";
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177
398
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178 target = target.toLowerCase();
589
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179 log.debug("******************************************************");
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180 log.debug("TARGET: " + target);
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181 log.debug("MIMETYPE: " + mimeType);
398
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182
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183 if (target.equals("chart")) {
36
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184 fileName = fileName
38
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185 + mimeType.substring(mimeType.indexOf("/") + 1);
681
15ac78a91d1b Removed trailing whitespace.
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186 }
579
dc548655a66e Removed litte copy-paste mistake while setting file-extension for exports.
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diff changeset
187 else if (target.equals("histogram")) {
578
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188 fileName = fileName
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189 + mimeType.substring(mimeType.indexOf("/") + 1);
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190 }
589
960ae818296e img-Exports will get a file extension that corresponds to their mime-type (issue187).
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diff changeset
191 else if (target.equals("img")) {
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diff changeset
192 fileName = fileName
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193 + mimeType.substring(mimeType.indexOf("/") + 1);
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194 }
398
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diff changeset
195 else if (target.equals("pdf")) {
283
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diff changeset
196 fileName = fileName + "pdf";
398
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diff changeset
197 } else if (target.equals("svg")) {
284
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diff changeset
198 fileName = fileName + "svg";
398
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diff changeset
199 } else if (target.equals("csv")) {
36
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diff changeset
200 fileName = fileName + "csv";
398
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diff changeset
201 } else if (target.equals("zip")) {
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parents: 284
diff changeset
202 fileName = fileName + "zip";
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diff changeset
203 } else if (target.equals("wms")) {
9005b39c52ac Only display chart addons if we really display a chart.
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diff changeset
204 fileName = fileName + "xml";
36
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diff changeset
205 } else {
ad381cc47217 Format Code to max 80 Chars per Row
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parents: 34
diff changeset
206 fileName = fileName + "txt";
34
25fdec8b4c69 Added Global Errorhandling to the GNV-Client
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diff changeset
207 }
36
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diff changeset
208 log.debug("FileName for Export: " + fileName);
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diff changeset
209 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
210 + fileName);
34
25fdec8b4c69 Added Global Errorhandling to the GNV-Client
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parents: 29
diff changeset
211 } catch (Exception e) {
36
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parents: 34
diff changeset
212 log.error(e, e);
29
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diff changeset
213 }
bba8fd97e549 Export and Diagrammoptions integrated into GUI
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214 }
bba8fd97e549 Export and Diagrammoptions integrated into GUI
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parents:
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215 }
700
89ade245ca7a Using unix line endings only.
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parents: 699
diff changeset
216 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org