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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/rest/CreateResource.java @ 212:d7042094f7b7

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Bugfix: Repaired a broken XPath. artifacts/trunk@1548 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 23 Mar 2011 12:08:21 +0000
parents b2115f484edb
children
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.artifacts.common.utils.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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20
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21 import org.restlet.Response;
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23 import org.restlet.data.MediaType;
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24 import org.restlet.data.Status;
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26 import org.restlet.ext.xml.DomRepresentation;
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28 import org.restlet.representation.EmptyRepresentation;
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29 import org.restlet.representation.Representation;
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31 import org.restlet.resource.ResourceException;
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32
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33 import org.w3c.dom.Document;
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34
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35 /**
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36 * Resource to create a new artifact within artifact database.
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37 * @author <a href="mailto:sascha.teichmann@intevation">Sascha L. Teichmann</a>
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38 */
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39 public class CreateResource
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40 extends BaseResource
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41 {
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42 private static Logger logger = Logger.getLogger(CreateResource.class);
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44 /**
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45 * server URL where to reach the resource.
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46 */
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47 public static final String PATH = "/create";
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49 /**
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50 * XPATH to figure out the name of the factory which should be used
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51 * to create the new artifact.
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52 */
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53 public static final String XPATH_FACTORY = "/art:action/art:factory/@name";
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54
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55 /**
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56 * Error message if no factory was given.
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57 */
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58 public static final String NO_FACTORY_MESSAGE = "No factory given";
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60 /**
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61 * Error message if no artifact was created.
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62 */
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63 public static final String NO_ARTIFACT_CREATED = "No artifact created";
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64
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65 @Override
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66 protected Representation innerPost(Representation requestRepr)
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67 throws ResourceException
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68 {
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69 Document inputDocument = null;
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70 try {
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71 DomRepresentation input = new DomRepresentation(requestRepr);
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72 input.setNamespaceAware(true);
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73 inputDocument = input.getDocument();
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74 }
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75 catch (IOException ioe) {
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76 logger.error(ioe.getMessage());
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77 Response response = getResponse();
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78 response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST, ioe);
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79 return new EmptyRepresentation();
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80 }
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81
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82 String factory = XMLUtils.xpathString(
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83 inputDocument,
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84 XPATH_FACTORY,
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85 ArtifactNamespaceContext.INSTANCE);
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86
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87 if (factory == null || factory.length() == 0) {
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88 Response response = getResponse();
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89 response.setStatus(
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90 Status.CLIENT_ERROR_BAD_REQUEST, NO_FACTORY_MESSAGE);
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91 return new EmptyRepresentation();
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92 }
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93
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94 if (logger.isDebugEnabled()) {
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95 logger.debug("Create artifact with factory '" + factory + "'");
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96 }
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97
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98 ArtifactDatabase db = getArtifactDatabase();
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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