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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/rest/ArtifactOutResource.java @ 36:f7d2cd59a0d5

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Bugfix done. Now the feed Method works fine artifacts/trunk@93 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Wed, 16 Sep 2009 07:53:26 +0000
parents c2d53bd30ab8
children 3f03aee55c2f
rev   line source
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22b03d5c84c5 Added REST out handler for artifacts reachable via HTTP GET '/artifact/{uuid}/{type}'.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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1 package de.intevation.artifactdatabase.rest;
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2
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3 import org.apache.log4j.Logger;
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4
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5 import org.restlet.resource.Get;
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6 import org.restlet.resource.ServerResource;
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7
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8 import org.restlet.data.Request;
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9 import org.restlet.data.Response;
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10 import org.restlet.data.Status;
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11 import org.restlet.data.MediaType;
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12
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13 import org.restlet.representation.Representation;
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14 import org.restlet.representation.EmptyRepresentation;
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16 import org.restlet.ext.xml.DomRepresentation;
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18 import de.intevation.artifactdatabase.XMLUtils;
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20 import de.intevation.artifacts.ArtifactNamespaceContext;
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21 import de.intevation.artifacts.ArtifactDatabaseException;
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22 import de.intevation.artifacts.ArtifactDatabase;
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24 import org.w3c.dom.Document;
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26 import java.io.IOException;
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28 /**
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29 * @author Sascha L. Teichmann (sascha.teichmann@intevation)
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30 */
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31 public class ArtifactOutResource
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32 extends ServerResource
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33 {
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34 public static final String PATH = "/artifact/{uuid}/{type}";
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36 public static final String XPATH_MIME_TYPE = "/action/out/mime-type/@value";
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37
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38 public static final MediaType DEFAULT_MIME_TYPE =
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39 MediaType.APPLICATION_OCTET_STREAM;
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41 private static Logger logger = Logger.getLogger(ArtifactOutResource.class);
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43 @Get
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44 public Representation represent() {
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46 Request request = getRequest();
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48 Representation requestRepr = request.getEntity();
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50 Document inputDocument = null;
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51 try {
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52 DomRepresentation input = new DomRepresentation(requestRepr);
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53 inputDocument = input.getDocument();
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54 }
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55 catch (IOException ioe) {
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56 logger.error(ioe.getMessage());
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57 Response response = getResponse();
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58 response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST, ioe);
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59 return new EmptyRepresentation();
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60 }
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61
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62 ArtifactDatabase db = (ArtifactDatabase)getContext()
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63 .getAttributes().get("database");
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64
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65 String identifier = (String)request.getAttributes().get("uuid");
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66
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67 if (logger.isDebugEnabled()) {
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68 logger.debug("looking for artifact id '" + identifier + "'");
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69 }
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70
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71 String mimeTypeString = XMLUtils.xpathString(
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72 inputDocument,
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73 XPATH_MIME_TYPE,
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74 ArtifactNamespaceContext.INSTANCE);
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75
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76 MediaType mimeType = DEFAULT_MIME_TYPE;
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77
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78 if (mimeTypeString != null && mimeTypeString.length() != 0) {
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79 try {
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80 mimeType = MediaType.valueOf(mimeTypeString);
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81 }
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82 catch (Exception e) {
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83 logger.error(e.getLocalizedMessage());
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84 }
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85 }
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86
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87 try {
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88 return new OutRepresentation(
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89 mimeType,
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90 db.out(identifier, inputDocument));
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91 }
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92 catch (ArtifactDatabaseException adbe) {
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93 Response response = getResponse();
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94 response.setStatus(
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95 Status.CLIENT_ERROR_NOT_FOUND, adbe.getMessage());
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96 return new EmptyRepresentation();
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97 }
29
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98 }
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99 }
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100 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org