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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/rest/ServiceResource.java @ 93:e27cf9c84eb8

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Unified imports. artifacts/trunk@849 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 28 Mar 2010 15:57:40 +0000
parents d348fe1fd822
children 933bbc9fc11f
rev   line source
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d1b8c91b4506 Added url '/service/{service}' to REST server to offer the actual service over HTTP.
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1 package de.intevation.artifactdatabase.rest;
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2
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3 import de.intevation.artifacts.ArtifactDatabase;
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4 import de.intevation.artifacts.ArtifactDatabaseException;
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5
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6 import java.io.IOException;
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7
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8 import org.apache.log4j.Logger;
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9
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10 import org.restlet.data.MediaType;
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11 import org.restlet.data.Request;
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12 import org.restlet.data.Response;
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13 import org.restlet.data.Status;
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14
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15 import org.restlet.ext.xml.DomRepresentation;
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16
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17 import org.restlet.representation.EmptyRepresentation;
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18 import org.restlet.representation.Representation;
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19
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20 import org.w3c.dom.Document;
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21
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22 /**
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23 * Resource to process incoming XML documents with a given service.
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24 *
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48d1a9a082c2 Bring @author javadoc tags in form '@author <a href="john.doe@example.com">John Doe</a>'
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25 * @author <a href="mailto:sascha.teichmann@intevation">Sascha L. Teichmann</a>
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26 */
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27 public class ServiceResource
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28 extends BaseResource
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29 {
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30 private static Logger logger = Logger.getLogger(ServiceResource.class);
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31
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32 /**
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33 * server URL where to reach the resource.
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34 */
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35 public static final String PATH = "/service/{service}";
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36
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37 /**
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38 * Error message if no corresponing service is provided by
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39 * the artifact database.
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40 */
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41 public static final String NO_SUCH_ACTION_MESSAGE = "no such service";
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42
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43 @Override
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44 protected Representation innerPost(Representation requestRepr) {
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45
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46 Document inputDocument = null;
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47 try {
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48 DomRepresentation input = new DomRepresentation(requestRepr);
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49 input.setNamespaceAware(true);
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50 inputDocument = input.getDocument();
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51 }
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52 catch (IOException ioe) {
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53 logger.error(ioe.getMessage());
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54 Response response = getResponse();
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55 response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST, ioe);
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56 return new EmptyRepresentation();
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57 }
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58
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59 Request request = getRequest();
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61 String service = (String)request.getAttributes().get("service");
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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 try {
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67 return new DomRepresentation(
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68 MediaType.APPLICATION_XML,
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69 db.process(service, inputDocument, getCallMeta()));
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70 }
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71 catch (ArtifactDatabaseException adbe) {
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72 logger.warn(adbe.getLocalizedMessage(), adbe);
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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, adbe.getMessage());
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76 return new EmptyRepresentation();
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77 }
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78 }
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79 }
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80 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org