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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/rest/ArtifactResource.java @ 27:75bdaf900473

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Added REST handler for 'describe'. artifacts/trunk@64 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Thu, 10 Sep 2009 14:21:58 +0000
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children 019b9f02d523
rev   line source
27
75bdaf900473 Added REST handler for 'describe'.
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1 package de.intevation.artifactdatabase.rest;
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2
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3 import org.restlet.resource.Get;
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4 import org.restlet.resource.Post;
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5 import org.restlet.resource.ServerResource;
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6
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7 import org.restlet.representation.Representation;
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8 import org.restlet.representation.EmptyRepresentation;
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9
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10 import org.restlet.ext.xml.DomRepresentation;
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11
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12 import de.intevation.artifacts.ArtifactDatabase;
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13 import de.intevation.artifacts.Artifact;
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14
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15 import org.restlet.data.Request;
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16 import org.restlet.data.Response;
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17 import org.restlet.data.Status;
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18
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19 import org.restlet.data.MediaType;
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20
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21 import org.apache.log4j.Logger;
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22
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23 import org.w3c.dom.Document;
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24
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25 /**
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26 * @author Sascha L. Teichmann (sascha.teichmann@intevation)
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27 */
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28 public class ArtifactResource
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29 extends ServerResource
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30 {
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31 private static Logger logger = Logger.getLogger(ArtifactResource.class);
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32
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33 public static final String PATH = "/artifact/{uuid}";
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34
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35 public static final String NO_ARTIFACT_FOUND = "Artifact not found";
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36
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37 @Get
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38 public Representation represent() {
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39
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40 Request request = getRequest();
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41
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42 String identifier = (String)request.getAttributes().get("uuid");
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43
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44 if (logger.isDebugEnabled()) {
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45 logger.debug("looking for artifact id '" + identifier + "'");
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46 }
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47
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48 ArtifactDatabase db = (ArtifactDatabase)getContext()
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49 .getAttributes().get("database");
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50
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51 Artifact artifact = db.getArtifact(identifier);
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52
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53 if (artifact == null) {
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54 Response response = getResponse();
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55 response.setStatus(Status.CLIENT_ERROR_NOT_FOUND, NO_ARTIFACT_FOUND);
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56 return new EmptyRepresentation();
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57 }
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58
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59 Document description = artifact.describe(db.getArtifactContext());
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60
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61 if (logger.isDebugEnabled()) {
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62 logger.debug("out document: " + description);
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63 }
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64
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65 return new DomRepresentation(
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66 MediaType.APPLICATION_XML, description);
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67 }
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68
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69 /*
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70 @Post
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71 public Representation representPost() {
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72 return new EmptyRepresentation();
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73 }
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74 */
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75 }
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76 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org