Mercurial > dive4elements > river
annotate gwt-client/src/main/java/org/dive4elements/river/client/server/DescribeCollectionServiceImpl.java @ 6199:734ba3732bb6
CapabilitiesParse parses the "queryable" attribute of a WMSLayer now (#1253).
author | Christian Lins <christian.lins@intevation.de> |
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date | Wed, 05 Jun 2013 13:13:20 +0200 |
parents | ea9eef426962 |
children | 238fc722f87a |
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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.log4j.Logger; |
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14 |
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15 import com.google.gwt.user.server.rpc.RemoteServiceServlet; |
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16 |
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17 import org.dive4elements.artifacts.common.utils.ClientProtocolUtils; |
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18 |
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19 import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException; |
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20 import org.dive4elements.artifacts.httpclient.http.HttpClient; |
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21 import org.dive4elements.artifacts.httpclient.http.HttpClientImpl; |
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22 import org.dive4elements.artifacts.httpclient.http.response.DocumentResponseHandler; |
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23 |
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24 import org.dive4elements.river.client.shared.exceptions.ServerException; |
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25 import org.dive4elements.river.client.shared.model.Collection; |
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26 |
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27 import org.dive4elements.river.client.client.services.DescribeCollectionService; |
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28 |
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29 |
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30 /** |
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31 * This service implements a method that queries the DESCRIBE document of a |
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32 * specific collection and returns a Collection object with the information of |
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33 * the document. |
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34 * |
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35 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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36 */ |
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37 public class DescribeCollectionServiceImpl |
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38 extends RemoteServiceServlet |
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39 implements DescribeCollectionService |
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40 { |
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41 private static final Logger logger = |
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42 Logger.getLogger(DescribeCollectionServiceImpl.class); |
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43 |
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44 |
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45 /** The error message key that is thrown if an error occured while |
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46 * describe() a Collection.*/ |
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47 public static final String ERROR_DESCRIBE_COLLECTION = |
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48 "error_describe_collection"; |
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49 |
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50 |
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51 public Collection describe(String uuid, String locale) |
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52 throws ServerException |
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53 { |
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54 logger.info("DescribeCollectionServiceImpl.describe"); |
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55 |
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56 String url = getServletContext().getInitParameter("server-url"); |
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57 |
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58 Document describe = ClientProtocolUtils.newDescribeCollectionDocument( |
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59 uuid); |
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60 |
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61 HttpClient client = new HttpClientImpl(url, locale); |
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62 |
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63 try { |
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64 Document response = (Document) client.doCollectionAction( |
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65 describe, uuid, new DocumentResponseHandler()); |
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66 |
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67 Collection c = CollectionHelper.parseCollection(response); |
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68 |
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69 if (c == null) { |
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70 throw new ServerException(ERROR_DESCRIBE_COLLECTION); |
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71 } |
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72 |
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73 logger.debug("Collection successfully parsed."); |
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74 |
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75 return c; |
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76 } |
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77 catch (ConnectionException ce) { |
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78 logger.error(ce, ce); |
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79 } |
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80 |
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81 throw new ServerException(ERROR_DESCRIBE_COLLECTION); |
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82 } |
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83 } |
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84 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |