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annotate flys-client/src/main/java/de/intevation/flys/client/server/AdvanceServiceImpl.java @ 32:88c530c25968

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Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service. flys-client/trunk@1451 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 10 Mar 2011 10:53:41 +0000
parents
children e02f50a3ad59
rev   line source
32
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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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
88c530c25968 Added a service for the ADVANCE operation and a service that bundles FEED and ADVANCE in a single service.
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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.model.Artifact;
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17 import de.intevation.flys.client.client.services.AdvanceService;
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18
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19
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20 /**
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21 * This interface provides artifact specific operation ADVANCE.
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22 *
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23 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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24 */
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25 public class AdvanceServiceImpl
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26 extends RemoteServiceServlet
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27 implements AdvanceService
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28 {
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29 public static final String XPATH_RESULT = "/art:result/text()";
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30
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31 public static final String OPERATION_FAILURE = "FAILED";
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32
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33
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34 public Artifact advance(String serverUrl, Artifact artifact, String target){
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35 Document advance = ClientProtocolUtils.newAdvanceDocument(
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36 artifact.getUuid(),
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37 artifact.getHash(),
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38 target);
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39
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40 HttpClient client = new HttpClientImpl(serverUrl);
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41
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42 try {
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43 Document description = (Document) client.advance(
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44 new de.intevation.artifacts.httpclient.objects.Artifact(
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45 artifact.getUuid(),
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46 artifact.getHash()),
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47 advance,
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48 new DocumentResponseHandler());
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49
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50 if (description == null) {
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51 return null;
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52 }
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53
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54 String result = XMLUtils.xpathString(
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55 description,
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56 XPATH_RESULT,
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57 ArtifactNamespaceContext.INSTANCE);
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58
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59 if (result == null || !result.equals(OPERATION_FAILURE)) {
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60 return (Artifact) new FLYSArtifactCreator().create(description);
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61 }
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62 }
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63 catch (ConnectionException ce) {
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64 System.err.println(ce.getLocalizedMessage());
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65 }
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66
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67 return null;
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68 }
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69 }
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70 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org