Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/DoOutputAction.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 33198e55371c
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.InputParameter;
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11 import de.intevation.gnv.artifactdatabase.objects.OutputMode;
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12 import de.intevation.gnv.artifactdatabase.objects.OutputParameter;
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13
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14 import java.io.OutputStream;
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16 import java.util.ArrayList;
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17 import java.util.Collection;
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18 import java.util.Iterator;
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19
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20 import javax.servlet.http.HttpServletRequest;
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21 import javax.servlet.http.HttpServletResponse;
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22
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23 import org.apache.log4j.Logger;
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24
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25 import org.apache.struts.action.ActionForm;
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26 import org.apache.struts.action.ActionForward;
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27 import org.apache.struts.action.ActionMapping;
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28
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29 /**
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30 * This controller calls the out operation of the server directly. Html img-tags
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31 * in jsp pages use this action to fetch charts and histograms.
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32 *
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33 * @author <a href="mailto:tim.englich@intevation.de">Tim Englich</a>
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34 *
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35 */
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36 public class DoOutputAction extends ArtifactDatabaseActionBase {
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37
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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(DoOutputAction.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 DoOutputAction() {
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47 super();
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48 }
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49
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50
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51 @Override
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52 public ActionForward execute(ActionMapping mapping, ActionForm form,
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53 HttpServletRequest request,
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54 HttpServletResponse response) throws Exception {
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55 log.debug("DoOutputAction.execute");
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56 try {
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57 String target = request.getParameter("target");
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58 String mimeType = request.getParameter("mimetype");
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59 String mode = request.getParameter("mode");
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60
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61 log.debug("Target: " + target);
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62 log.debug("MimeType: " + mimeType);
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63 log.debug("ExportMode: " + mode);
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64
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65 // TODO Check if is propper;
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66
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67 SessionModel sm = SessionModelFactory.getInstance()
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68 .getSessionModel(request);
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69 OutputMode outputMode = sm.getOutputMode(target);
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70 if (outputMode != null && outputMode.getMimeType().equals(mimeType)) {
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71 Collection<OutputParameter> inputParameter = outputMode
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72 .getOutputParameters();
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73 Collection<InputParameter> ips = null;
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74 if (inputParameter != null) {
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75 ips = new ArrayList<InputParameter>(inputParameter.size()+1);
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76 Iterator<OutputParameter> it = inputParameter.iterator();
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77 while (it.hasNext()) {
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78 String name = it.next().getName();
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79 String[] values = request.getParameterValues(name);
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80 InputParameter ip = new DefaultInputParameter(name,
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81 values);
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82 ips.add(ip);
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83 }
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84
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85 if (request.getParameter("bintype") != null) {
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86 InputParameter ip = new DefaultInputParameter(
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87 "bintype", request.getParameterValues("bintype"));
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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(target, 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 } else {
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111 if (outputMode == null) {
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112 log.error("Outputmode is not supported.");
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113 } else if (!outputMode.getMimeType().equals(mimeType)) {
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114 log.error("MimeType " + mimeType
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115 + " wis not supported.");
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116 }
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117 // TODO FIXME: Fehlerbehandlung
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118 }
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119 return super.execute(mapping, form, request, response);
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120 } catch (Exception e) {
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121 log.error(e, e);
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122 request.setAttribute(
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123 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
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124 .getMessage());
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125 return super.getExceptionForward(mapping);
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126 }
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127 }
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128
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129 protected void setHeaders(String target, String mimeType,
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fccf90761825 Format Code to max 80 Chars per Row better Formatter choosen
Tim Englich <tim.englich@intevation.de>
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130 HttpServletResponse response,
fccf90761825 Format Code to max 80 Chars per Row better Formatter choosen
Tim Englich <tim.englich@intevation.de>
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131 HttpServletRequest request) {
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bba8fd97e549 Export and Diagrammoptions integrated into GUI
Tim Englich <tim.englich@intevation.de>
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132 response.setHeader("Content-Type", mimeType);
bba8fd97e549 Export and Diagrammoptions integrated into GUI
Tim Englich <tim.englich@intevation.de>
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133 }
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2535158e2687 Chartoutput Added to the View
Tim Englich <tim.englich@intevation.de>
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134
2535158e2687 Chartoutput Added to the View
Tim Englich <tim.englich@intevation.de>
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135 }
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df78178e1180 Moved user interface creation to an own action. This makes avoids code duplication and makes it easier to write new action to handle special interactions, because there is no need for parsing the describe document and creating the user interface after this.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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136 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org