Mercurial > dive4elements > river
annotate gwt-client/src/main/java/org/dive4elements/river/client/server/CreateCollectionServiceImpl.java @ 7134:11106b14daf2
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author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Mon, 23 Sep 2013 11:40:11 +0200 |
parents | ea9eef426962 |
children | 238fc722f87a |
rev | line source |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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9 package org.dive4elements.river.client.server; |
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10 |
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11 import org.w3c.dom.Document; |
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12 |
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13 import org.apache.log4j.Logger; |
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14 |
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15 import com.google.gwt.user.server.rpc.RemoteServiceServlet; |
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16 |
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17 import org.dive4elements.artifacts.common.ArtifactNamespaceContext; |
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18 import org.dive4elements.artifacts.common.utils.ClientProtocolUtils; |
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19 import org.dive4elements.artifacts.common.utils.XMLUtils; |
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20 |
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21 import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException; |
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22 import org.dive4elements.artifacts.httpclient.http.HttpClient; |
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23 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl; |
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24 import org.dive4elements.artifacts.httpclient.http.response.DocumentResponseHandler; |
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25 |
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26 import org.dive4elements.river.client.shared.exceptions.ServerException; |
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27 import org.dive4elements.river.client.shared.model.Collection; |
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28 import org.dive4elements.river.client.shared.model.DefaultCollection; |
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29 import org.dive4elements.river.client.client.services.CreateCollectionService; |
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30 |
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31 |
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32 /** |
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33 * This interface provides the createCollection service to create new |
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34 * collections in the artifact server. |
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35 * |
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36 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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37 */ |
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38 public class CreateCollectionServiceImpl |
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39 extends RemoteServiceServlet |
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40 implements CreateCollectionService |
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41 { |
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42 /** Private logger. */ |
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43 private static final Logger logger = |
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44 Logger.getLogger(CreateCollectionServiceImpl.class); |
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45 |
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46 /** XPath to figure out the uuid of the created collection.*/ |
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47 public static final String XPATH_COLLECTION_UUID = |
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48 "/art:result/art:artifact-collection/@art:uuid"; |
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49 |
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50 /** XPath to figure out the ttl of the created collection.*/ |
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51 public static final String XPATH_COLLECTION_TTL = |
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52 "/art:result/art:artifact-collection/@art:ttl"; |
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53 |
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54 /** Error message key that is thrown if an error occured while creating |
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55 * a new collection.*/ |
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56 public static final String ERROR_CREATE_COLLECTION = |
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57 "error_create_collection"; |
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58 |
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59 |
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60 /** Attempt creation of Collection. */ |
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61 public Collection create(String locale, String ownerId) |
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62 throws ServerException |
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63 { |
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64 logger.info("Start creating a new collection."); |
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65 |
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66 String url = getServletContext().getInitParameter("server-url"); |
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67 |
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68 Document create = |
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69 ClientProtocolUtils.newCreateCollectionDocument(null); |
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70 HttpClient client = new HttpClientImpl(url, locale); |
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71 |
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72 try { |
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73 Document doc = (Document) client.createCollection( |
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74 create, ownerId, new DocumentResponseHandler()); |
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75 |
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76 String uuid = XMLUtils.xpathString( |
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77 doc, XPATH_COLLECTION_UUID, ArtifactNamespaceContext.INSTANCE); |
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78 |
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79 String ttlStr = XMLUtils.xpathString( |
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80 doc, XPATH_COLLECTION_TTL, ArtifactNamespaceContext.INSTANCE); |
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81 |
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82 if (uuid.trim().length() == 0 || ttlStr.length() == 0) { |
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83 throw new ServerException(ERROR_CREATE_COLLECTION); |
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84 } |
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85 |
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86 return new DefaultCollection(uuid, Long.valueOf(ttlStr), uuid); |
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87 } |
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88 catch (ConnectionException ce) { |
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89 logger.error(ce, ce); |
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90 } |
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91 |
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92 throw new ServerException(ERROR_CREATE_COLLECTION); |
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93 } |
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94 } |
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95 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |