Mercurial > dive4elements > river

annotate flys-client/src/main/java/de/intevation/flys/client/server/DescribeArtifactServiceImpl.java @ 5818:a4ff4167be1e

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Request feature info on all layers and show it as html if the server does not return valid gml. Non queryable layers produce an error message when the request fails. This is good enough
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 24 Apr 2013 17:33:27 +0200
parents bc06a671ef60
children
rev   line source
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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.utils.ClientProtocolUtils;
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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.DescribeArtifactService;
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19
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20
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21 /**
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22 * This interface provides artifact specific operation DESCRIBE.
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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 DescribeArtifactServiceImpl
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27 extends RemoteServiceServlet
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28 implements DescribeArtifactService
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29 {
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30 private static final Logger logger =
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31 Logger.getLogger(DescribeArtifactServiceImpl.class);
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32
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33
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34 public static final String ERROR_DESCRIBE_ARTIFACT =
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35 "error_describe_artifact";
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36
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37
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38 public Artifact describe(String locale, Artifact artifact)
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39 throws ServerException
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40 {
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41 logger.info("DescribeArtifactServiceImpl.describe");
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42
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43 String url = getServletContext().getInitParameter("server-url");
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44
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45 Document describe = ClientProtocolUtils.newDescribeDocument(
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46 artifact.getUuid(),
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47 artifact.getHash(),
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48 true);
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49
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50 HttpClient client = new HttpClientImpl(url, locale);
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51
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52 try {
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53 logger.debug("Start Http request now.");
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54
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55 Document description = (Document) client.describe(
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56 new de.intevation.artifacts.httpclient.objects.Artifact(
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57 artifact.getUuid(),
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58 artifact.getHash()),
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59 describe,
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60 new DocumentResponseHandler());
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61
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62 if (description != null) {
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63 logger.debug("Finished Http request sucessfully!");
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64
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65 return (Artifact) new FLYSArtifactCreator().create(description);
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66 }
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67 }
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68 catch (ConnectionException ce) {
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69 ce.printStackTrace();
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70 }
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71
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72 throw new ServerException(ERROR_DESCRIBE_ARTIFACT);
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73 }
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74 }
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75 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org