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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/rest/CreateResource.java @ 32:c2d53bd30ab8

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Re-factored artifact API for better integration of background processing. artifacts/trunk@78 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Sun, 13 Sep 2009 14:50:53 +0000
parents 83a059c204f8
children af22d4de275c
rev   line source
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1 package de.intevation.artifactdatabase.rest;
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2
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3 import org.w3c.dom.Document;
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4
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5 import org.restlet.ext.xml.DomRepresentation;
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6
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7 import org.restlet.resource.Post;
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8 import org.restlet.resource.ServerResource;
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9
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10 import org.restlet.data.Request;
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11 import org.restlet.data.Response;
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12 import org.restlet.data.Status;
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13
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14 import org.restlet.data.MediaType;
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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 de.intevation.artifactdatabase.XMLUtils;
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19
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20 import org.restlet.representation.Representation;
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21 import org.restlet.representation.EmptyRepresentation;
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22
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23 import java.io.IOException;
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24
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25 import de.intevation.artifacts.ArtifactNamespaceContext;
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26 import de.intevation.artifacts.ArtifactDatabaseException;
26
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27 import de.intevation.artifacts.ArtifactDatabase;
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28
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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 CreateResource
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33 extends ServerResource
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34 {
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35 private static Logger logger = Logger.getLogger(CreateResource.class);
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36
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37 public static final String PATH = "/create";
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38
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39 public static final String XPATH_FACTORY = "/action/factory/@name";
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40
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41 public static final String NO_FACTORY_MESSAGE = "No factory given";
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42
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43 public static final String NO_ARTIFACT_CREATED = "No artifact created";
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44
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45 @Post
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46 public Representation represent() {
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47
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48 Request request = getRequest();
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49
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50 Representation requestRepr = request.getEntity();
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51
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52 Document inputDocument = null;
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53 try {
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54 DomRepresentation input = new DomRepresentation(requestRepr);
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55 inputDocument = input.getDocument();
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56 }
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57 catch (IOException ioe) {
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58 logger.error(ioe.getMessage());
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59 Response response = getResponse();
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60 response.setStatus(Status.CLIENT_ERROR_BAD_REQUEST, ioe);
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61 return new EmptyRepresentation();
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62 }
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63
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64 String factory = XMLUtils.xpathString(
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65 inputDocument,
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66 XPATH_FACTORY,
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67 ArtifactNamespaceContext.INSTANCE);
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68
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69 if (factory == null || factory.length() == 0) {
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70 Response response = getResponse();
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71 response.setStatus(
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72 Status.CLIENT_ERROR_BAD_REQUEST, NO_FACTORY_MESSAGE);
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73 return new EmptyRepresentation();
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74 }
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75
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76 if (logger.isDebugEnabled()) {
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77 logger.debug("Create artifact with factory '" + factory + "'");
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78 }
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79
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80 ArtifactDatabase db = (ArtifactDatabase)getContext()
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81 .getAttributes().get("database");
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82
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83 try {
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84 return new DomRepresentation(
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85 MediaType.APPLICATION_XML,
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86 db.createArtifactWithFactory(factory));
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87 }
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88 catch (ArtifactDatabaseException adbe) {
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89 Response response = getResponse();
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90 response.setStatus(
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91 Status.CLIENT_ERROR_UNPROCESSABLE_ENTITY, adbe.getMessage());
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92 return new EmptyRepresentation();
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93 }
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94 }
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95 }
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96 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org