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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/rest/ArtifactOutResource.java @ 37:3f03aee55c2f

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Switched from Get to Post communication. artifacts/trunk@96 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Wed, 16 Sep 2009 12:43:03 +0000
parents c2d53bd30ab8
children af22d4de275c
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.Post;
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7 import org.restlet.resource.ServerResource;
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8
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9 import org.restlet.data.Request;
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10 import org.restlet.data.Response;
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11 import org.restlet.data.Status;
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12 import org.restlet.data.MediaType;
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13
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14 import org.restlet.representation.Representation;
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15 import org.restlet.representation.EmptyRepresentation;
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17 import org.restlet.ext.xml.DomRepresentation;
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19 import de.intevation.artifactdatabase.XMLUtils;
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21 import de.intevation.artifacts.ArtifactNamespaceContext;
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22 import de.intevation.artifacts.ArtifactDatabaseException;
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23 import de.intevation.artifacts.ArtifactDatabase;
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25 import org.w3c.dom.Document;
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27 import java.io.IOException;
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29 /**
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30 * @author Sascha L. Teichmann (sascha.teichmann@intevation)
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31 */
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32 public class ArtifactOutResource
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33 extends ServerResource
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34 {
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35 public static final String PATH = "/artifact/{uuid}/{type}";
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37 public static final String XPATH_MIME_TYPE = "/action/out/mime-type/@value";
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38
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39 public static final MediaType DEFAULT_MIME_TYPE =
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40 MediaType.APPLICATION_OCTET_STREAM;
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42 private static Logger logger = Logger.getLogger(ArtifactOutResource.class);
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43
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44 @Post
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45 public Representation represent() {
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47 Request request = getRequest();
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49 Representation requestRepr = request.getEntity();
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51 Document inputDocument = null;
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52 try {
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53 DomRepresentation input = new DomRepresentation(requestRepr);
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54 inputDocument = input.getDocument();
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55 }
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56 catch (IOException ioe) {
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57 logger.error(ioe.getMessage());
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58 Response response = getResponse();
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59 response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST, ioe);
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60 return new EmptyRepresentation();
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61 }
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62
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63 ArtifactDatabase db = (ArtifactDatabase)getContext()
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64 .getAttributes().get("database");
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65
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66 String identifier = (String)request.getAttributes().get("uuid");
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67
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68 if (logger.isDebugEnabled()) {
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69 logger.debug("looking for artifact id '" + identifier + "'");
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70 }
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71
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72 String mimeTypeString = XMLUtils.xpathString(
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73 inputDocument,
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74 XPATH_MIME_TYPE,
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75 ArtifactNamespaceContext.INSTANCE);
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76
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77 MediaType mimeType = DEFAULT_MIME_TYPE;
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78
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79 if (mimeTypeString != null && mimeTypeString.length() != 0) {
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80 try {
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81 mimeType = MediaType.valueOf(mimeTypeString);
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82 }
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83 catch (Exception e) {
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84 logger.error(e.getLocalizedMessage());
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85 }
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86 }
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87
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88 try {
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89 return new OutRepresentation(
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90 mimeType,
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91 db.out(identifier, 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_NOT_FOUND, adbe.getMessage());
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97 return new EmptyRepresentation();
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98 }
29
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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