Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/DoOutputAction.java @ 583:2f3d885fed09

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Adjusted http requests and appended a new parameter export mode to 'out'-xml document to choose between svg, pdf or image exports. gnv/trunk@725 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 02 Mar 2010 14:55:29 +0000
parents a634d5ee961d
children 15ac78a91d1b
rev   line source
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1 /**
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2 *
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3 */
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4 package de.intevation.gnv.action;
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5
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6 import de.intevation.gnv.action.sessionmodel.SessionModel;
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7 import de.intevation.gnv.action.sessionmodel.SessionModelFactory;
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8
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.
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9 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClient;
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10 import de.intevation.gnv.artifactdatabase.client.ArtifactDatabaseClientFactory;
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11
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.
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12 import de.intevation.gnv.artifactdatabase.objects.DefaultInputParameter;
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13 import de.intevation.gnv.artifactdatabase.objects.InputParameter;
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14 import de.intevation.gnv.artifactdatabase.objects.OutputMode;
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15 import de.intevation.gnv.artifactdatabase.objects.OutputParameter;
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16
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17 import java.io.OutputStream;
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18
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19 import java.util.ArrayList;
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20 import java.util.Collection;
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21 import java.util.Iterator;
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22
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23 import javax.servlet.http.HttpServletRequest;
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24 import javax.servlet.http.HttpServletResponse;
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25
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26 import org.apache.log4j.Logger;
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27
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28 import org.apache.struts.action.ActionForm;
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29 import org.apache.struts.action.ActionForward;
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30 import org.apache.struts.action.ActionMapping;
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31
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32 /**
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33 * @author Tim Englich <tim.englich@intevation.de>
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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 * @see de.intevation.gnv.action.ArtifactDatabaseActionBase#execute(org.apache.struts.action.ActionMapping,
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52 * org.apache.struts.action.ActionForm,
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53 * javax.servlet.http.HttpServletRequest,
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54 * javax.servlet.http.HttpServletResponse)
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55 */
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56 @Override
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57 public ActionForward execute(ActionMapping mapping, ActionForm form,
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58 HttpServletRequest request,
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59 HttpServletResponse response) throws Exception {
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60 log.debug("DoOutputAction.execute");
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61 try {
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62 String target = request.getParameter("target");
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63 String mimeType = request.getParameter("mimetype");
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64 String mode = request.getParameter("mode");
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65
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66 log.debug("Target: " + target);
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67 log.debug("MimeType: " + mimeType);
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68 log.debug("ExportMode: " + mode);
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69
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70 // TODO Check if is propper;
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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 && outputMode.getMimeType().equals(mimeType)) {
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76 Collection<OutputParameter> inputParameter = outputMode
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77 .getOutputParameters();
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78 Collection<InputParameter> ips = null;
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79 if (inputParameter != null) {
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80 ips = new ArrayList<InputParameter>(inputParameter.size()+1);
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81 Iterator<OutputParameter> it = inputParameter.iterator();
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82 while (it.hasNext()) {
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83 String name = it.next().getName();
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84 String[] values = request.getParameterValues(name);
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85 InputParameter ip = new DefaultInputParameter(name,
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86 values);
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87 ips.add(ip);
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88 }
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89
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90 if (request.getParameter("bintype") != null) {
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91 InputParameter ip = new DefaultInputParameter(
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92 "bintype", request.getParameterValues("bintype"));
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93 ips.add(ip);
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94 }
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95 }
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96
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97 ArtifactDatabaseClient adc = ArtifactDatabaseClientFactory
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98 .getInstance()
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99 .getArtifactDatabaseClient(getLocale(request));
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100
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101 this.setHeaders(target, mimeType, response, request);
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102
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103 OutputStream outputStream = response.getOutputStream();
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104 adc.doOutput(
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105 sm.getSelectedArtifactFactory(),
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106 sm.getCurrentArtifact(),
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107 outputStream,
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108 target,
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109 mode,
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110 mimeType,
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111 ips);
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112
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113 outputStream.flush();
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114 outputStream.close();
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115 } else {
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116 if (outputMode == null) {
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117 log.error("Outputmode is not supported.");
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118 } else if (!outputMode.getMimeType().equals(mimeType)) {
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119 log.error("MimeType " + mimeType
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120 + " wis not supported.");
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121 }
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122 // TODO FIXME: Fehlerbehandlung
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123 }
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124 return super.execute(mapping, form, request, response);
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125 } catch (Exception e) {
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126 log.error(e, e);
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127 request.setAttribute(
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128 CommunicationKeys.REQUEST_EXCEPTION_MESSAGE_ID, e
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129 .getMessage());
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25fdec8b4c69 Added Global Errorhandling to the GNV-Client
Tim Englich <tim.englich@intevation.de>
parents: 30
diff changeset
130 return super.getExceptionForward(mapping);
13
2535158e2687 Chartoutput Added to the View
Tim Englich <tim.englich@intevation.de>
parents:
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131 }
2535158e2687 Chartoutput Added to the View
Tim Englich <tim.englich@intevation.de>
parents:
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132 }
36
ad381cc47217 Format Code to max 80 Chars per Row
Tim Englich <tim.englich@intevation.de>
parents: 35
diff changeset
133
ad381cc47217 Format Code to max 80 Chars per Row
Tim Englich <tim.englich@intevation.de>
parents: 35
diff changeset
134 protected void setHeaders(String target, String mimeType,
38
fccf90761825 Format Code to max 80 Chars per Row better Formatter choosen
Tim Englich <tim.englich@intevation.de>
parents: 36
diff changeset
135 HttpServletResponse response,
fccf90761825 Format Code to max 80 Chars per Row better Formatter choosen
Tim Englich <tim.englich@intevation.de>
parents: 36
diff changeset
136 HttpServletRequest request) {
29
bba8fd97e549 Export and Diagrammoptions integrated into GUI
Tim Englich <tim.englich@intevation.de>
parents: 13
diff changeset
137 response.setHeader("Content-Type", mimeType);
bba8fd97e549 Export and Diagrammoptions integrated into GUI
Tim Englich <tim.englich@intevation.de>
parents: 13
diff changeset
138 }
13
2535158e2687 Chartoutput Added to the View
Tim Englich <tim.englich@intevation.de>
parents:
diff changeset
139
2535158e2687 Chartoutput Added to the View
Tim Englich <tim.englich@intevation.de>
parents:
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140 }
409
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>
parents: 390
diff changeset
141 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org