Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/AdvanceServiceImpl.java @ 5861:172338b1407f

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GWT client: Added copyright header.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:30:15 +0200
parents 5aa05a7a34b7
children ea9eef426962
rev   line source
5861
172338b1407f GWT client: Added copyright header.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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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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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.Artifact;
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28 import org.dive4elements.river.client.client.services.AdvanceService;
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31 /**
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32 * This interface provides artifact specific operation ADVANCE.
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33 *
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34 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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35 */
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36 public class AdvanceServiceImpl
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37 extends RemoteServiceServlet
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38 implements AdvanceService
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39 {
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40 private static final Logger logger = Logger.getLogger(AdvanceService.class);
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41
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42 public static final String XPATH_RESULT = "/art:result/text()";
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43
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44 public static final String OPERATION_FAILURE = "FAILED";
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46 public static final String ERROR_ADVANCE_ARTIFACT = "error_advance_artifact";
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48
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49 public Artifact advance(
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50 String locale,
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51 Artifact artifact,
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52 String target)
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53 throws ServerException
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54 {
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55 logger.info("AdvanceServiceImpl.advance");
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56
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57 String url = getServletContext().getInitParameter("server-url");
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58
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59 Document advance = ClientProtocolUtils.newAdvanceDocument(
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60 artifact.getUuid(),
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61 artifact.getHash(),
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62 target);
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63
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64 HttpClient client = new HttpClientImpl(url, locale);
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65
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66 try {
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67 Document description = (Document) client.advance(
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68 new org.dive4elements.artifacts.httpclient.objects.Artifact(
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69 artifact.getUuid(),
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70 artifact.getHash()),
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71 advance,
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72 new DocumentResponseHandler());
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73
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74 if (description == null) {
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75 throw new ServerException(ERROR_ADVANCE_ARTIFACT);
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76 }
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77
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78 String result = XMLUtils.xpathString(
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79 description,
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80 XPATH_RESULT,
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81 ArtifactNamespaceContext.INSTANCE);
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82
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83 if (result == null || !result.equals(OPERATION_FAILURE)) {
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84 return (Artifact) new FLYSArtifactCreator().create(description);
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85 }
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86 }
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87 catch (ConnectionException ce) {
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88 logger.error(ce, ce);
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89 }
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90
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91 throw new ServerException(ERROR_ADVANCE_ARTIFACT);
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92 }
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93 }
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94 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org