Mercurial > dive4elements > river
annotate flys-client/src/main/java/de/intevation/flys/client/server/AdvanceServiceImpl.java @ 2471:a1ff911e8365
Replaced FLYS specific icon set.
flys-client/trunk@4194 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 04 Apr 2012 07:20:08 +0000 |
parents | bc06a671ef60 |
children | f2039d030b5e |
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1 package de.intevation.flys.client.server; |
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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.apache.log4j.Logger; |
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6 |
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7 import com.google.gwt.user.server.rpc.RemoteServiceServlet; |
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8 |
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9 import de.intevation.artifacts.common.ArtifactNamespaceContext; |
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10 import de.intevation.artifacts.common.utils.ClientProtocolUtils; |
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11 import de.intevation.artifacts.common.utils.XMLUtils; |
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12 |
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13 import de.intevation.artifacts.httpclient.exceptions.ConnectionException; |
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14 import de.intevation.artifacts.httpclient.http.HttpClient; |
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15 import de.intevation.artifacts.httpclient.http.HttpClientImpl; |
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16 import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler; |
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17 |
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18 import de.intevation.flys.client.shared.exceptions.ServerException; |
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19 import de.intevation.flys.client.shared.model.Artifact; |
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20 import de.intevation.flys.client.client.services.AdvanceService; |
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21 |
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22 |
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23 /** |
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24 * This interface provides artifact specific operation ADVANCE. |
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25 * |
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26 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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27 */ |
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28 public class AdvanceServiceImpl |
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29 extends RemoteServiceServlet |
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30 implements AdvanceService |
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31 { |
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32 private static final Logger logger = Logger.getLogger(AdvanceService.class); |
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33 |
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34 |
32
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35 public static final String XPATH_RESULT = "/art:result/text()"; |
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36 |
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37 public static final String OPERATION_FAILURE = "FAILED"; |
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38 |
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39 public static final String ERROR_ADVANCE_ARTIFACT = "error_advance_artifact"; |
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40 |
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41 |
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42 public Artifact advance( |
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43 String locale, |
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44 Artifact artifact, |
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45 String target) |
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46 throws ServerException |
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47 { |
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48 logger.info("AdvanceServiceImpl.advance"); |
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49 |
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50 String url = getServletContext().getInitParameter("server-url"); |
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52 Document advance = ClientProtocolUtils.newAdvanceDocument( |
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53 artifact.getUuid(), |
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54 artifact.getHash(), |
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55 target); |
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56 |
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57 HttpClient client = new HttpClientImpl(url, locale); |
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58 |
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59 try { |
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60 Document description = (Document) client.advance( |
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61 new de.intevation.artifacts.httpclient.objects.Artifact( |
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62 artifact.getUuid(), |
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63 artifact.getHash()), |
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64 advance, |
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65 new DocumentResponseHandler()); |
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66 |
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67 if (description == null) { |
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68 throw new ServerException(ERROR_ADVANCE_ARTIFACT); |
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69 } |
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70 |
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71 String result = XMLUtils.xpathString( |
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72 description, |
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73 XPATH_RESULT, |
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74 ArtifactNamespaceContext.INSTANCE); |
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75 |
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76 if (result == null || !result.equals(OPERATION_FAILURE)) { |
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77 return (Artifact) new FLYSArtifactCreator().create(description); |
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78 } |
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79 } |
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80 catch (ConnectionException ce) { |
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81 logger.error(ce, ce); |
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82 } |
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83 |
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84 throw new ServerException(ERROR_ADVANCE_ARTIFACT); |
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85 } |
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86 } |
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87 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |