Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/AdvanceServiceImpl.java @ 4740:fb135e1dfa35

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Added 'type' attribute to <dc:variable/> element. If an optional 'type' attribute is given the result of the XPATH expression is interpreted as this type. Valid values are 'number', 'bool', 'node' and 'nodeset'. All other defaults to 'string' which also is the default if nor type is given.
author Sascha L. Teichmann <teichmann@intevation.de>
date Wed, 02 Jan 2013 15:31:53 +0100
parents f2039d030b5e
children
rev   line source
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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 org.apache.log4j.Logger;
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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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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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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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34 public static final String XPATH_RESULT = "/art:result/text()";
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36 public static final String OPERATION_FAILURE = "FAILED";
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38 public static final String ERROR_ADVANCE_ARTIFACT = "error_advance_artifact";
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41 public Artifact advance(
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42 String locale,
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43 Artifact artifact,
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44 String target)
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45 throws ServerException
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46 {
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47 logger.info("AdvanceServiceImpl.advance");
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f2039d030b5e Cosmetics, docs.
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49 String url = getServletContext().getInitParameter("server-url");
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51 Document advance = ClientProtocolUtils.newAdvanceDocument(
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52 artifact.getUuid(),
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53 artifact.getHash(),
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54 target);
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55
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56 HttpClient client = new HttpClientImpl(url, locale);
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57
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58 try {
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59 Document description = (Document) client.advance(
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60 new de.intevation.artifacts.httpclient.objects.Artifact(
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61 artifact.getUuid(),
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62 artifact.getHash()),
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63 advance,
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64 new DocumentResponseHandler());
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65
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66 if (description == null) {
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67 throw new ServerException(ERROR_ADVANCE_ARTIFACT);
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68 }
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69
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70 String result = XMLUtils.xpathString(
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71 description,
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72 XPATH_RESULT,
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73 ArtifactNamespaceContext.INSTANCE);
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74
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75 if (result == null || !result.equals(OPERATION_FAILURE)) {
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76 return (Artifact) new FLYSArtifactCreator().create(description);
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77 }
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78 }
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79 catch (ConnectionException ce) {
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80 logger.error(ce, ce);
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81 }
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82
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83 throw new ServerException(ERROR_ADVANCE_ARTIFACT);
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84 }
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85 }
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86 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org