Mercurial > dive4elements > river
comparison gwt-client/src/main/java/org/dive4elements/river/client/server/AdvanceServiceImpl.java @ 5838:5aa05a7a34b7
Rename modules to more fitting names.
| author | Sascha L. Teichmann <teichmann@intevation.de> |
|---|---|
| date | Thu, 25 Apr 2013 15:23:37 +0200 |
| parents | flys-client/src/main/java/org/dive4elements/river/client/server/AdvanceServiceImpl.java@821a02bbfb4e |
| children | 172338b1407f |
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| 5837:d9901a08d0a6 | 5838:5aa05a7a34b7 |
|---|---|
| 1 package org.dive4elements.river.client.server; | |
| 2 | |
| 3 import org.w3c.dom.Document; | |
| 4 | |
| 5 import org.apache.log4j.Logger; | |
| 6 | |
| 7 import com.google.gwt.user.server.rpc.RemoteServiceServlet; | |
| 8 | |
| 9 import org.dive4elements.artifacts.common.ArtifactNamespaceContext; | |
| 10 import org.dive4elements.artifacts.common.utils.ClientProtocolUtils; | |
| 11 import org.dive4elements.artifacts.common.utils.XMLUtils; | |
| 12 | |
| 13 import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException; | |
| 14 import org.dive4elements.artifacts.httpclient.http.HttpClient; | |
| 15 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl; | |
| 16 import org.dive4elements.artifacts.httpclient.http.response.DocumentResponseHandler; | |
| 17 | |
| 18 import org.dive4elements.river.client.shared.exceptions.ServerException; | |
| 19 import org.dive4elements.river.client.shared.model.Artifact; | |
| 20 import org.dive4elements.river.client.client.services.AdvanceService; | |
| 21 | |
| 22 | |
| 23 /** | |
| 24 * This interface provides artifact specific operation ADVANCE. | |
| 25 * | |
| 26 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 27 */ | |
| 28 public class AdvanceServiceImpl | |
| 29 extends RemoteServiceServlet | |
| 30 implements AdvanceService | |
| 31 { | |
| 32 private static final Logger logger = Logger.getLogger(AdvanceService.class); | |
| 33 | |
| 34 public static final String XPATH_RESULT = "/art:result/text()"; | |
| 35 | |
| 36 public static final String OPERATION_FAILURE = "FAILED"; | |
| 37 | |
| 38 public static final String ERROR_ADVANCE_ARTIFACT = "error_advance_artifact"; | |
| 39 | |
| 40 | |
| 41 public Artifact advance( | |
| 42 String locale, | |
| 43 Artifact artifact, | |
| 44 String target) | |
| 45 throws ServerException | |
| 46 { | |
| 47 logger.info("AdvanceServiceImpl.advance"); | |
| 48 | |
| 49 String url = getServletContext().getInitParameter("server-url"); | |
| 50 | |
| 51 Document advance = ClientProtocolUtils.newAdvanceDocument( | |
| 52 artifact.getUuid(), | |
| 53 artifact.getHash(), | |
| 54 target); | |
| 55 | |
| 56 HttpClient client = new HttpClientImpl(url, locale); | |
| 57 | |
| 58 try { | |
| 59 Document description = (Document) client.advance( | |
| 60 new org.dive4elements.artifacts.httpclient.objects.Artifact( | |
| 61 artifact.getUuid(), | |
| 62 artifact.getHash()), | |
| 63 advance, | |
| 64 new DocumentResponseHandler()); | |
| 65 | |
| 66 if (description == null) { | |
| 67 throw new ServerException(ERROR_ADVANCE_ARTIFACT); | |
| 68 } | |
| 69 | |
| 70 String result = XMLUtils.xpathString( | |
| 71 description, | |
| 72 XPATH_RESULT, | |
| 73 ArtifactNamespaceContext.INSTANCE); | |
| 74 | |
| 75 if (result == null || !result.equals(OPERATION_FAILURE)) { | |
| 76 return (Artifact) new FLYSArtifactCreator().create(description); | |
| 77 } | |
| 78 } | |
| 79 catch (ConnectionException ce) { | |
| 80 logger.error(ce, ce); | |
| 81 } | |
| 82 | |
| 83 throw new ServerException(ERROR_ADVANCE_ARTIFACT); | |
| 84 } | |
| 85 } | |
| 86 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |