Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/CreateCollectionServiceImpl.java @ 8203:238fc722f87a

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sed 's/logger/log/g' src/**/*.java
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 05 Sep 2014 13:19:22 +0200
parents ea9eef426962
children 0a5239a1e46e
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 log. */
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43 private static final Logger log =
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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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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 log.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 log.error(ce, ce);
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90 }
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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 :
http://dive4elements.wald.intevation.org