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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/rest/CreateResource.java @ 89:d348fe1fd822

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More javadoc (fixes small glitches, too). artifacts/trunk@845 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 26 Mar 2010 16:16:32 +0000
parents 69c84cf7c5d7
children 730ff077a58c
rev   line source
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1 package de.intevation.artifactdatabase.rest;
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2
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3 import java.io.IOException;
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4
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5 import org.apache.log4j.Logger;
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6 import org.restlet.data.MediaType;
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7 import org.restlet.data.Response;
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8 import org.restlet.data.Status;
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9 import org.restlet.ext.xml.DomRepresentation;
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10 import org.restlet.representation.EmptyRepresentation;
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11 import org.restlet.representation.Representation;
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12 import org.restlet.resource.ResourceException;
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13 import org.w3c.dom.Document;
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14
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15 import de.intevation.artifactdatabase.XMLUtils;
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16 import de.intevation.artifacts.ArtifactDatabase;
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17 import de.intevation.artifacts.ArtifactDatabaseException;
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18 import de.intevation.artifacts.ArtifactNamespaceContext;
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19
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20 /**
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21 * Resource to create a new artifact within artifact database.
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22 * @author <a href="mailto:sascha.teichmann@intevation">Sascha L. Teichmann</a>
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23 */
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24 public class CreateResource
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25 extends BaseResource
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26 {
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27 private static Logger logger = Logger.getLogger(CreateResource.class);
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29 /**
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30 * server URL where to reach the resource.
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31 */
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32 public static final String PATH = "/create";
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34 /**
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35 * XPATH to figure out the name of the factory which should be used
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36 * to create the new artifact.
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37 */
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38 public static final String XPATH_FACTORY = "/art:action/art:factory/@name";
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40 /**
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41 * Error message if no factory was given.
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42 */
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43 public static final String NO_FACTORY_MESSAGE = "No factory given";
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45 /**
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46 * Error message if no artifact was created.
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47 */
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48 public static final String NO_ARTIFACT_CREATED = "No artifact created";
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49
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50 @Override
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51 protected Representation innerPost(Representation requestRepr)
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52 throws ResourceException
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53 {
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54 Document inputDocument = null;
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55 try {
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56 DomRepresentation input = new DomRepresentation(requestRepr);
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57 input.setNamespaceAware(true);
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58 inputDocument = input.getDocument();
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59 }
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60 catch (IOException ioe) {
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61 logger.error(ioe.getMessage());
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62 Response response = getResponse();
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63 response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST, ioe);
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64 return new EmptyRepresentation();
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65 }
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66
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67 String factory = XMLUtils.xpathString(
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68 inputDocument,
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69 XPATH_FACTORY,
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70 ArtifactNamespaceContext.INSTANCE);
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71
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72 if (factory == null || factory.length() == 0) {
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73 Response response = getResponse();
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74 response.setStatus(
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75 Status.CLIENT_ERROR_BAD_REQUEST, NO_FACTORY_MESSAGE);
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76 return new EmptyRepresentation();
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77 }
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78
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79 if (logger.isDebugEnabled()) {
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80 logger.debug("Create artifact with factory '" + factory + "'");
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81 }
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82
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83 ArtifactDatabase db = (ArtifactDatabase)getContext()
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84 .getAttributes().get("database");
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85
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86 try {
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87 return new DomRepresentation(
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88 MediaType.APPLICATION_XML,
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89 db.createArtifactWithFactory(factory,
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90 getCallMeta(),
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91 inputDocument));
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92 }
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93 catch (ArtifactDatabaseException adbe) {
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94 Response response = getResponse();
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95 response.setStatus(
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96 Status.CLIENT_ERROR_UNPROCESSABLE_ENTITY, adbe.getMessage());
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97 return new EmptyRepresentation();
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98 }
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99 }
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100 }
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101 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org