Mercurial > dive4elements > river
annotate gwt-client/src/main/java/org/dive4elements/river/client/server/GetArtifactServiceImpl.java @ 9803:a440ebd5c23b 3.2.x tip
Avoid using outdated mod_wsgi in Docker setup
Run Wiki in standalone mode behind reverse proxy, which is provided by
a more up-to-date Apache web server. The wiki container is still based
on CentOS 7, because the included SSO integration component cannot be
build with more recent libraries.
author | Tom Gottfried <tom@intevation.de> |
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date | Wed, 21 Aug 2024 16:54:17 +0200 |
parents | 0a5239a1e46e |
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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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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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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 : |