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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/rest/CreateResource.java @ 100:933bbc9fc11f

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Added license file and license headers. artifacts/trunk@1259 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 02 Nov 2010 17:23:36 +0000
parents e27cf9c84eb8
children 7fc0650f194c
rev   line source
100
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1 /*
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2 * Copyright (c) 2010 by Intevation GmbH
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3 *
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4 * This program is free software under the LGPL (>=v2.1)
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5 * Read the file LGPL.txt coming with the software for details
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8
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9 package de.intevation.artifactdatabase.rest;
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10
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11 import de.intevation.artifactdatabase.XMLUtils;
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12
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13 import de.intevation.artifacts.ArtifactDatabase;
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14 import de.intevation.artifacts.ArtifactDatabaseException;
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15 import de.intevation.artifacts.ArtifactNamespaceContext;
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16
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17 import java.io.IOException;
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19 import org.apache.log4j.Logger;
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21 import org.restlet.data.MediaType;
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22 import org.restlet.data.Response;
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23 import org.restlet.data.Status;
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25 import org.restlet.ext.xml.DomRepresentation;
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27 import org.restlet.representation.EmptyRepresentation;
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28 import org.restlet.representation.Representation;
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30 import org.restlet.resource.ResourceException;
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31
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32 import org.w3c.dom.Document;
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34 /**
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35 * Resource to create a new artifact within artifact database.
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36 * @author <a href="mailto:sascha.teichmann@intevation">Sascha L. Teichmann</a>
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37 */
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38 public class CreateResource
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39 extends BaseResource
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40 {
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41 private static Logger logger = Logger.getLogger(CreateResource.class);
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43 /**
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44 * server URL where to reach the resource.
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45 */
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46 public static final String PATH = "/create";
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47
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48 /**
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49 * XPATH to figure out the name of the factory which should be used
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50 * to create the new artifact.
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51 */
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52 public static final String XPATH_FACTORY = "/art:action/art:factory/@name";
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54 /**
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55 * Error message if no factory was given.
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56 */
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57 public static final String NO_FACTORY_MESSAGE = "No factory given";
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59 /**
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60 * Error message if no artifact was created.
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61 */
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62 public static final String NO_ARTIFACT_CREATED = "No artifact created";
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63
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64 @Override
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65 protected Representation innerPost(Representation requestRepr)
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66 throws ResourceException
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67 {
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68 Document inputDocument = null;
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69 try {
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70 DomRepresentation input = new DomRepresentation(requestRepr);
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71 input.setNamespaceAware(true);
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72 inputDocument = input.getDocument();
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73 }
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74 catch (IOException ioe) {
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75 logger.error(ioe.getMessage());
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76 Response response = getResponse();
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77 response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST, ioe);
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78 return new EmptyRepresentation();
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79 }
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80
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81 String factory = XMLUtils.xpathString(
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82 inputDocument,
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83 XPATH_FACTORY,
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84 ArtifactNamespaceContext.INSTANCE);
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85
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86 if (factory == null || factory.length() == 0) {
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87 Response response = getResponse();
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88 response.setStatus(
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89 Status.CLIENT_ERROR_BAD_REQUEST, NO_FACTORY_MESSAGE);
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90 return new EmptyRepresentation();
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91 }
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92
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93 if (logger.isDebugEnabled()) {
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94 logger.debug("Create artifact with factory '" + factory + "'");
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95 }
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96
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97 ArtifactDatabase db = (ArtifactDatabase)getContext()
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98 .getAttributes().get("database");
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99
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100 try {
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101 return new DomRepresentation(
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102 MediaType.APPLICATION_XML,
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103 db.createArtifactWithFactory(factory,
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104 getCallMeta(),
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105 inputDocument));
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106 }
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107 catch (ArtifactDatabaseException adbe) {
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108 Response response = getResponse();
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109 response.setStatus(
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110 Status.CLIENT_ERROR_UNPROCESSABLE_ENTITY, adbe.getMessage());
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111 return new EmptyRepresentation();
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112 }
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113 }
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114 }
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115 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org