Mercurial > dive4elements > gnv-client

annotate gnv/src/main/java/de/intevation/gnv/action/LoadAction.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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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.Artifact;
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10 import de.intevation.gnv.artifactdatabase.objects.ArtifactFactory;
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11
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12 import de.intevation.gnv.util.ArtifactNamespaceContext;
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13 import de.intevation.gnv.util.XMLUtils;
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14
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15 import java.io.IOException;
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16 import java.io.InputStream;
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17
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18 import java.util.List;
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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.commons.fileupload.FileItemIterator;
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24 import org.apache.commons.fileupload.FileItemStream;
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25
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26 import org.apache.commons.fileupload.servlet.ServletFileUpload;
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27
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28 import org.apache.log4j.Logger;
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29
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30 import org.apache.struts.action.ActionForm;
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31 import org.apache.struts.action.ActionForward;
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32 import org.apache.struts.action.ActionMapping;
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33
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34 import org.w3c.dom.Document;
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35
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36 /**
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37 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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38 */
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39 public class LoadAction extends ArtifactDatabaseActionBase {
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40
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41 public static final String RESOURCE_UPLOAD_FAILURE = "upload.failure";
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42 public static final String RESOURCE_INVALID_ARTIFACT = "invalid.artifact";
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43
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44 private static Logger logger = Logger.getLogger(LoadAction.class);
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45
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46 public LoadAction() {
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47 super();
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48 }
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49
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50 public ActionForward execute(
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51 ActionMapping mapping,
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52 ActionForm form,
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53 HttpServletRequest request,
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54 HttpServletResponse response)
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55 throws Exception
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56 {
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57 logger.info("Import artifact.");
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58
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59 ServletFileUpload upload = new ServletFileUpload();
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60 Document artifactDocument = null;
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61
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62 try {
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63 FileItemIterator iter = upload.getItemIterator(request);
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64 while (iter.hasNext()) {
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65 FileItemStream item = (FileItemStream) iter.next();
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66 String name = item.getFieldName();
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67
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68 // the file input field of our form is named 'document'
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69 if (name.equals("document")) {
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70 InputStream stream = item.openStream();
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71
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72 if (stream.available() == 0) {
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73 logger.error("No artifact document found.");
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74 request.setAttribute(
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75 CommunicationKeys.REQUEST_EXCEPTION_PROJECT,
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76 RESOURCE_UPLOAD_FAILURE);
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77
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78 return super.getExceptionForward(mapping);
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79 }
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80
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81 artifactDocument = XMLUtils.readDocument(stream);
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82 if (artifactDocument == null) {
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83 request.setAttribute(
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84 CommunicationKeys.REQUEST_EXCEPTION_PROJECT,
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85 RESOURCE_INVALID_ARTIFACT);
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86
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87 return super.getExceptionForward(mapping);
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88 }
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89
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90 ArtifactDatabaseClientFactory adcf =
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91 ArtifactDatabaseClientFactory.getInstance();
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92 ArtifactDatabaseClient adc =
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93 adcf.getArtifactDatabaseClient(getLocale(request));
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94 ArtifactFactory factory = (ArtifactFactory)
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95 (( List)adc.getArtifactFactories()).get(0);
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96
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97 SessionModelFactory sf = SessionModelFactory.getInstance();
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98 SessionModel sm = sf.getSessionModel(request);
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99 sm.selectArtifactFactory(factory.getId());
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100
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101 Document describe = adc.doImport(
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102 factory,
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103 artifactDocument);
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104
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105 String uuid = XMLUtils.xpathString(
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106 describe,
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107 "/art:result/art:uuid/@value",
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108 ArtifactNamespaceContext.INSTANCE);
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109 String hash = XMLUtils.xpathString(
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110 describe,
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111 "/art:result/art:hash/@value",
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112 ArtifactNamespaceContext.INSTANCE);
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113
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114 Artifact artifact = new Artifact(uuid, hash);
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115 sm.setCurrentArtifact(artifact);
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116
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117 if (logger.isDebugEnabled()) {
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118 logger.debug("Imported artifact UUID: "+artifact.getId());
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119 logger.debug("Imported artifact HASH: "+artifact.getHash());
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120 }
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121
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122 return new DescribeUIAction().execute(
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123 mapping, form, request, response);
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124 }
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125 }
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126 }
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127 catch (IOException ioe) {
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128 logger.error(ioe, ioe);
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129 request.setAttribute(
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130 CommunicationKeys.REQUEST_EXCEPTION_PROJECT,
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131 ioe.getMessage());
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132
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133 return super.getExceptionForward(mapping);
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134 }
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135
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136 // no document found or not valid
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137 logger.error("Upload failure: No document found or invalid.");
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138
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139 request.setAttribute(
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140 CommunicationKeys.REQUEST_EXCEPTION_PROJECT,
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141 RESOURCE_UPLOAD_FAILURE);
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142
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143 return super.getExceptionForward(mapping);
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144 }
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145 }
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146 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org