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annotate flys-client/src/main/java/de/intevation/flys/client/server/UserServiceImpl.java @ 2478:6462a02022ab

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Issue 424. Show folder icon for folder nodes with no children in datacage. flys-client/trunk@4229 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Raimund Renkert <raimund.renkert@intevation.de>
date Fri, 13 Apr 2012 08:21:20 +0000
parents bc06a671ef60
children 3a8884e06aaa
rev   line source
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bc5d4d2297b9 Introduced a service that retrieves the user who is currently logged in. This user is displayed in the menu bar.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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1 package de.intevation.flys.client.server;
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2
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3 import javax.xml.xpath.XPathConstants;
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4
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5 import org.w3c.dom.Document;
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6 import org.w3c.dom.Node;
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7 import org.w3c.dom.NodeList;
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8
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9 import org.apache.log4j.Logger;
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2
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11 import com.google.gwt.user.server.rpc.RemoteServiceServlet;
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12
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13 import de.intevation.artifacts.common.ArtifactNamespaceContext;
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14 import de.intevation.artifacts.common.utils.XMLUtils;
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15
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16 import de.intevation.artifacts.httpclient.exceptions.ConnectionException;
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17 import de.intevation.artifacts.httpclient.http.HttpClient;
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18 import de.intevation.artifacts.httpclient.http.HttpClientImpl;
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20 import de.intevation.flys.client.client.services.UserService;
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21 import de.intevation.flys.client.shared.exceptions.AuthenticationException;
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22 import de.intevation.flys.client.shared.model.DefaultUser;
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23 import de.intevation.flys.client.shared.model.User;
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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 UserServiceImpl
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30 extends RemoteServiceServlet
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31 implements UserService
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32 {
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33 private static final Logger logger = Logger.getLogger(UserServiceImpl.class);
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34
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35
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36 public static final String ERROR_NO_SUCH_USER = "error_no_such_user";
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38 public User getCurrentUser(String locale)
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39 throws AuthenticationException
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40 {
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41 String url = getServletContext().getInitParameter("server-url");
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42
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43 HttpClient client = new HttpClientImpl(url);
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45 try {
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46 Document users = (Document) client.listUsers();
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47
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48 String XPATH_USERS = "/art:users/art:user";
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49
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50 NodeList theUsers = (NodeList) XMLUtils.xpath(
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51 users,
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52 XPATH_USERS,
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53 XPathConstants.NODESET,
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54 ArtifactNamespaceContext.INSTANCE);
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55
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56 if (theUsers != null && theUsers.getLength() > 0) {
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57 Node user = theUsers.item(0);
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58
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59 String uuid = XMLUtils.xpathString(
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60 user, "@art:uuid", ArtifactNamespaceContext.INSTANCE);
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61 String name = XMLUtils.xpathString(
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62 user, "@art:name", ArtifactNamespaceContext.INSTANCE);
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63
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64 return new DefaultUser(uuid, name);
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65 }
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66 }
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67 catch (ConnectionException ce) {
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68 logger.error(ce, ce);
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69 }
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70
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71 logger.error("No users existing in the server.");
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72 throw new AuthenticationException(ERROR_NO_SUCH_USER);
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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