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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/rest/ServiceResource.java @ 114:19b86e27d0c3

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New XPath constants and methods that retrieve important nodes of the DESCRIBE document. artifacts/trunk@1328 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 18 Feb 2011 14:21:32 +0000
parents 7fc0650f194c
children 9798e4d83681
rev   line source
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1 /*
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2 * Copyright (c) 2010 by Intevation GmbH
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3 *
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4 * This program is free software under the LGPL (>=v2.1)
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5 * Read the file LGPL.txt coming with the software for details
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6 * or visit http://www.gnu.org/licenses/ if it does not exist.
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7 */
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8
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9 package de.intevation.artifactdatabase.rest;
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11 import de.intevation.artifacts.ArtifactDatabase;
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12 import de.intevation.artifacts.ArtifactDatabaseException;
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13
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14 import java.io.IOException;
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15
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16 import org.apache.log4j.Logger;
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17
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18 import org.restlet.Request;
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19 import org.restlet.Response;
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20 import org.restlet.data.MediaType;
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21 import org.restlet.data.Status;
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22
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23 import org.restlet.ext.xml.DomRepresentation;
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24
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25 import org.restlet.representation.EmptyRepresentation;
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26 import org.restlet.representation.Representation;
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28 import org.w3c.dom.Document;
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29
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30 /**
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31 * Resource to process incoming XML documents with a given service.
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32 *
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33 * @author <a href="mailto:sascha.teichmann@intevation">Sascha L. Teichmann</a>
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34 */
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35 public class ServiceResource
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36 extends BaseResource
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37 {
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38 private static Logger logger = Logger.getLogger(ServiceResource.class);
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39
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40 /**
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41 * server URL where to reach the resource.
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42 */
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43 public static final String PATH = "/service/{service}";
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45 /**
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46 * Error message if no corresponing service is provided by
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47 * the artifact database.
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48 */
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49 public static final String NO_SUCH_ACTION_MESSAGE = "no such service";
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51 @Override
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52 protected Representation innerPost(Representation requestRepr) {
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53
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54 Document inputDocument = null;
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55 try {
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56 DomRepresentation input = new DomRepresentation(requestRepr);
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57 input.setNamespaceAware(true);
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58 inputDocument = input.getDocument();
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59 }
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60 catch (IOException ioe) {
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61 logger.error(ioe.getMessage());
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62 Response response = getResponse();
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63 response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST, ioe);
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64 return new EmptyRepresentation();
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65 }
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66
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67 Request request = getRequest();
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68
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69 String service = (String)request.getAttributes().get("service");
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70
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71 ArtifactDatabase db = (ArtifactDatabase)getContext()
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72 .getAttributes().get("database");
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73
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74 try {
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75 return new DomRepresentation(
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76 MediaType.APPLICATION_XML,
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77 db.process(service, inputDocument, getCallMeta()));
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78 }
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79 catch (ArtifactDatabaseException adbe) {
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80 logger.warn(adbe.getLocalizedMessage(), adbe);
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81 Response response = getResponse();
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82 response.setStatus(
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83 Status.CLIENT_ERROR_BAD_REQUEST, adbe.getMessage());
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84 return new EmptyRepresentation();
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85 }
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86 }
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87 }
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88 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org