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annotate flys-client/src/main/java/de/intevation/flys/client/server/DescribeCollectionServiceImpl.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 bc06a671ef60
children
rev   line source
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5c3d685546a6 Added a new service to describe collections.
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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.Collection;
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19 import de.intevation.flys.client.client.services.DescribeCollectionService;
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20
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21
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22 /**
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23 * This service implements a method that queries the DESCRIBE document of a
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24 * specific collection and returns a Collection object with the information of
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25 * the document.
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26 *
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27 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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28 */
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29 public class DescribeCollectionServiceImpl
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30 extends RemoteServiceServlet
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31 implements DescribeCollectionService
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32 {
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33 private static final Logger logger =
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34 Logger.getLogger(DescribeCollectionServiceImpl.class);
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35
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36
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37 /** The error message key that is thrown if an error occured while
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38 * describe() a Collection.*/
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39 public static final String ERROR_DESCRIBE_COLLECTION =
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40 "error_describe_collection";
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43 public Collection describe(String uuid, String locale)
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44 throws ServerException
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45 {
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46 logger.info("DescribeCollectionServiceImpl.describe");
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48 String url = getServletContext().getInitParameter("server-url");
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49
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50 Document describe = ClientProtocolUtils.newDescribeCollectionDocument(
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51 uuid);
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52
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53 HttpClient client = new HttpClientImpl(url, locale);
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54
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55 try {
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56 Document response = (Document) client.doCollectionAction(
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57 describe, uuid, new DocumentResponseHandler());
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58
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59 Collection c = CollectionHelper.parseCollection(response);
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60
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61 if (c == null) {
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62 throw new ServerException(ERROR_DESCRIBE_COLLECTION);
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63 }
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64
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65 logger.debug("Collection successfully parsed.");
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66
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67 return c;
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68 }
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69 catch (ConnectionException ce) {
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70 logger.error(ce, ce);
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71 }
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72
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73 throw new ServerException(ERROR_DESCRIBE_COLLECTION);
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74 }
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75 }
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76 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org