Mercurial > dive4elements > river

annotate gwt-client/src/main/java/org/dive4elements/river/client/server/GetArtifactServiceImpl.java @ 9802:a9641367812c 3.2.x tip

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Improve locale support in artifacts container Makes it easier to run scripts e.g. for importing data.
author Tom Gottfried <tom@intevation.de>
date Wed, 29 May 2024 10:51:00 +0200
parents 0a5239a1e46e
children
rev   line source
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.client.server;
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10
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11 import org.w3c.dom.Document;
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12
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13 import org.apache.logging.log4j.Logger;
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14 import org.apache.logging.log4j.LogManager;
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15
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16 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
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17
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18 import org.dive4elements.artifacts.common.ArtifactNamespaceContext;
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19 import org.dive4elements.artifacts.common.utils.ClientProtocolUtils;
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20 import org.dive4elements.artifacts.common.utils.XMLUtils;
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21
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22 import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException;
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23 import org.dive4elements.artifacts.httpclient.http.HttpClient;
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24 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl;
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25 import org.dive4elements.artifacts.httpclient.http.response.DocumentResponseHandler;
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26
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27 import org.dive4elements.river.client.shared.exceptions.ServerException;
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28 import org.dive4elements.river.client.shared.model.Artifact;
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29 import org.dive4elements.river.client.client.services.GetArtifactService;
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30
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31
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32 /**
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33 * This service provides a method that returns an artifact based on its
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34 * identifier.
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35 *
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36 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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37 */
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38 public class GetArtifactServiceImpl
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39 extends RemoteServiceServlet
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40 implements GetArtifactService
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41 {
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42 private static final Logger log =
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43 LogManager.getLogger(GetArtifactServiceImpl.class);
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44
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45
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46 public static final String ERROR_DESCRIBE_ARTIFACT =
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47 "error_describe_artifact";
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48
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49 public static final String XPATH_RESULT = "/art:result/text()";
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50
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51 public static final String OPERATION_FAILURE = "FAILED";
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52
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53
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54 public Artifact getArtifact(
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55 String locale,
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56 String uuid,
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57 String hash)
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58 throws ServerException
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59 {
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60 log.info("GetArtifactServiceImpl.getArtifact");
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61
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62 String url = getServletContext().getInitParameter("server-url");
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63
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64 Document describe = ClientProtocolUtils.newDescribeDocument(
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65 uuid, hash, true);
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66
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67 HttpClient client = new HttpClientImpl(url, locale);
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68
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69 try {
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70 Document description = (Document) client.describe(
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71 new org.dive4elements.artifacts.httpclient.objects.Artifact(
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72 uuid, hash),
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73 describe,
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74 new DocumentResponseHandler());
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75
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76 if (description == null) {
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77 throw new ServerException(ERROR_DESCRIBE_ARTIFACT);
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78 }
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79
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80 String result = XMLUtils.xpathString(
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81 description,
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82 XPATH_RESULT,
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83 ArtifactNamespaceContext.INSTANCE);
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84
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85 if (result == null || !result.equals(OPERATION_FAILURE)) {
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86 return (Artifact) new FLYSArtifactCreator().create(description);
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87 }
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88 }
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89 catch (ConnectionException ce) {
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90 log.error(ce, ce);
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91 }
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92
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93 throw new ServerException(ERROR_DESCRIBE_ARTIFACT);
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94 }
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95 }
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96 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org