Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/AdvanceServiceImpl.java @ 1259:54365104835c 2.5

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merged flys-backend/2.5
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:18 +0200
parents 924da6695800
children ab8eb2f544f2
rev   line source
32
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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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 com.google.gwt.user.server.rpc.RemoteServiceServlet;
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6
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7 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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8 import de.intevation.artifacts.common.utils.ClientProtocolUtils;
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9 import de.intevation.artifacts.common.utils.XMLUtils;
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10
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11 import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
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12 import de.intevation.artifacts.httpclient.http.HttpClient;
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13 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
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14 import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler;
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15
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16 import de.intevation.flys.client.shared.exceptions.ServerException;
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17 import de.intevation.flys.client.shared.model.Artifact;
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18 import de.intevation.flys.client.client.services.AdvanceService;
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19
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21 /**
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22 * This interface provides artifact specific operation ADVANCE.
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23 *
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24 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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25 */
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26 public class AdvanceServiceImpl
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27 extends RemoteServiceServlet
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28 implements AdvanceService
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29 {
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30 public static final String XPATH_RESULT = "/art:result/text()";
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31
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32 public static final String OPERATION_FAILURE = "FAILED";
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34 public static final String ERROR_ADVANCE_ARTIFACT = "error_advance_artifact";
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37 public Artifact advance(
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38 String serverUrl,
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39 String locale,
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40 Artifact artifact,
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41 String target)
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42 throws ServerException
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43 {
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44 System.out.println("AdvanceServiceImpl.advance");
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46 Document advance = ClientProtocolUtils.newAdvanceDocument(
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47 artifact.getUuid(),
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48 artifact.getHash(),
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49 target);
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51 HttpClient client = new HttpClientImpl(serverUrl, locale);
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52
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53 try {
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54 Document description = (Document) client.advance(
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55 new de.intevation.artifacts.httpclient.objects.Artifact(
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56 artifact.getUuid(),
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57 artifact.getHash()),
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58 advance,
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59 new DocumentResponseHandler());
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60
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61 if (description == null) {
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62 throw new ServerException(ERROR_ADVANCE_ARTIFACT);
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63 }
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64
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65 String result = XMLUtils.xpathString(
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66 description,
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67 XPATH_RESULT,
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68 ArtifactNamespaceContext.INSTANCE);
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69
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70 if (result == null || !result.equals(OPERATION_FAILURE)) {
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71 return (Artifact) new FLYSArtifactCreator().create(description);
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72 }
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73 }
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74 catch (ConnectionException ce) {
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75 System.err.println(ce.getLocalizedMessage());
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76 }
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78 throw new ServerException(ERROR_ADVANCE_ARTIFACT);
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79 }
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80 }
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81 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org