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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/rest/ArtifactOutResource.java @ 87:0f48188a6e02

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Added some javadoc to the artifactdatabase module. Not done yet. artifacts/trunk@839 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 26 Mar 2010 11:40:28 +0000
parents 48d1a9a082c2
children 69c84cf7c5d7
rev   line source
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22b03d5c84c5 Added REST out handler for artifacts reachable via HTTP GET '/artifact/{uuid}/{type}'.
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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.ResourceException;
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7 import org.restlet.data.Request;
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8 import org.restlet.data.Response;
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9 import org.restlet.data.Status;
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10 import org.restlet.data.MediaType;
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11
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12 import org.restlet.representation.Representation;
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13 import org.restlet.representation.EmptyRepresentation;
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14
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15 import org.restlet.ext.xml.DomRepresentation;
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17 import de.intevation.artifactdatabase.XMLUtils;
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19 import de.intevation.artifacts.ArtifactNamespaceContext;
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20 import de.intevation.artifacts.ArtifactDatabaseException;
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21 import de.intevation.artifacts.ArtifactDatabase;
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23 import org.w3c.dom.Document;
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25 import java.io.IOException;
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27 /**
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28 * @author <a href="mailto:sascha.teichmann@intevation">Sascha L. Teichmann</a>
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29 */
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30 public class ArtifactOutResource
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31 extends BaseResource
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32 {
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33 public static final String PATH = "/artifact/{uuid}/{type}";
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34
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35 public static final String XPATH_MIME_TYPE = "/art:action/art:out/art:mime-type/@value";
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37 public static final MediaType DEFAULT_MIME_TYPE =
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38 MediaType.APPLICATION_OCTET_STREAM;
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40 private static Logger logger = Logger.getLogger(ArtifactOutResource.class);
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41
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42 protected Representation innerPost(Representation requestRepr)
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43 throws ResourceException
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44 {
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45 Document inputDocument = null;
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46 try {
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47 DomRepresentation input = new DomRepresentation(requestRepr);
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48 input.setNamespaceAware(true);
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49 inputDocument = input.getDocument();
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50 }
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51 catch (IOException ioe) {
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52 logger.error(ioe.getMessage());
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53 Response response = getResponse();
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54 response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST, ioe);
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55 return new EmptyRepresentation();
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56 }
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57
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58 ArtifactDatabase db = (ArtifactDatabase)getContext()
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59 .getAttributes().get("database");
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61 Request request = getRequest();
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62
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63 String identifier = (String)request.getAttributes().get("uuid");
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64
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65 if (logger.isDebugEnabled()) {
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66 logger.debug("looking for artifact id '" + identifier + "'");
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67 }
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68
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69 String mimeTypeString = XMLUtils.xpathString(
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70 inputDocument,
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71 XPATH_MIME_TYPE,
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72 ArtifactNamespaceContext.INSTANCE);
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73
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74 MediaType mimeType = DEFAULT_MIME_TYPE;
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75
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76 if (mimeTypeString != null && mimeTypeString.length() != 0) {
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77 try {
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78 mimeType = MediaType.valueOf(mimeTypeString);
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79 }
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80 catch (Exception e) {
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81 logger.error(e.getLocalizedMessage());
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82 }
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83 }
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84
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85 try {
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86 return new OutRepresentation(
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87 mimeType,
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88 db.out(identifier, inputDocument, getCallMeta()));
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89 }
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90 catch (ArtifactDatabaseException adbe) {
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91 Response response = getResponse();
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92 response.setStatus(
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93 Status.CLIENT_ERROR_NOT_FOUND, adbe.getMessage());
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94 return new EmptyRepresentation();
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95 }
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96 }
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97 }
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98 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org