Mercurial > dive4elements > framework

annotate artifact-database/src/main/java/de/intevation/artifactdatabase/rest/ServicesResource.java @ 330:3168af23aec5

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Added a CallContext.isInBackground() method to determine if an Artifact or a Collection has started a background thread and is currently locked. artifacts/trunk@2666 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 07 Sep 2011 13:51:02 +0000
parents b2115f484edb
children
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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10
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11 import de.intevation.artifacts.common.utils.XMLUtils;
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12 import de.intevation.artifacts.common.utils.XMLUtils.ElementCreator;
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13
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14 import de.intevation.artifacts.ArtifactDatabase;
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15 import de.intevation.artifacts.ArtifactNamespaceContext;
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16
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17 import org.apache.log4j.Logger;
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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.restlet.ext.xml.DomRepresentation;
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22
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23 import org.restlet.representation.Representation;
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24
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25 import org.restlet.resource.ResourceException;
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26
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27 import org.w3c.dom.Document;
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28 import org.w3c.dom.Element;
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29
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30 /**
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31 * Resource to list the available service offered by the artifact database.
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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 ServicesResource
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36 extends BaseResource
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37 {
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38 private static Logger logger = Logger.getLogger(ServicesResource.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 = "/services";
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44
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45 @Override
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46 protected Representation innerGet()
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47 throws ResourceException
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48 {
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49 Document document = XMLUtils.newDocument();
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50
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51 ElementCreator ec = new ElementCreator(
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52 document,
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53 ArtifactNamespaceContext.NAMESPACE_URI,
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54 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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55
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56 ArtifactDatabase db = (ArtifactDatabase)getContext()
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57 .getAttributes().get("database");
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58
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59 Element root = ec.create("result");
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60 document.appendChild(root);
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62 Element type = ec.create("type");
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63 ec.addAttr(type, "name", "service-list");
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64 root.appendChild(type);
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65
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66 Element factories = ec.create("services");
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67 root.appendChild(factories);
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68
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69 String [][] factoryNames = db.serviceNamesAndDescriptions();
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71 for (int i = 0; i < factoryNames.length; ++i) {
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72 String [] nd = factoryNames[i];
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73 Element factoryElement = ec.create("service");
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74 ec.addAttr(factoryElement, "name", nd[0]);
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75 ec.addAttr(factoryElement, "description", nd[1]);
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76 factories.appendChild(factoryElement);
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77 }
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78
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79 document.normalizeDocument();
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80
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81 return new DomRepresentation(
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82 MediaType.APPLICATION_XML, document);
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83 }
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84 }
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85 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org