Mercurial > dive4elements > river
annotate gwt-client/src/main/java/org/dive4elements/river/client/server/UserServiceImpl.java @ 6044:477d2d18452e
Implement function to spawn a mainvalueartifact, given gauge and river.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Thu, 16 May 2013 17:58:16 +0200 |
parents | ea9eef426962 |
children | 733c32da04b8 |
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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 javax.servlet.http.HttpSession; |
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12 |
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13 import org.w3c.dom.Element; |
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14 |
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15 import org.apache.log4j.Logger; |
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16 |
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17 import org.dive4elements.artifacts.common.ArtifactNamespaceContext; |
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18 |
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19 import org.dive4elements.artifacts.httpclient.exceptions.ConnectionException; |
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20 |
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21 import org.dive4elements.river.client.client.services.UserService; |
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22 import org.dive4elements.river.client.server.auth.UserClient; |
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23 import org.dive4elements.river.client.shared.exceptions.AuthenticationException; |
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24 import org.dive4elements.river.client.shared.model.DefaultUser; |
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25 import org.dive4elements.river.client.shared.model.User; |
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26 |
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27 /** |
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28 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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29 */ |
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30 public class UserServiceImpl |
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31 extends RemoteServiceServlet |
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32 implements UserService |
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33 { |
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34 /** Private logger. */ |
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35 private static final Logger logger = Logger.getLogger(UserServiceImpl.class); |
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36 |
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37 public static final String ERROR_NO_SUCH_USER = "error_no_such_user"; |
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38 |
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39 public static final String ERROR_NO_USERS = "error_no_users"; |
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40 |
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41 public User getCurrentUser(String locale) |
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42 throws AuthenticationException |
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43 { |
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44 String url = getServletContext().getInitParameter("server-url"); |
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45 |
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46 UserClient client = new UserClient(url); |
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47 org.dive4elements.river.client.server.auth.User loginuser = getUser(); |
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48 |
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49 if (loginuser == null) { |
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50 logger.debug("no session user"); |
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51 throw new AuthenticationException(ERROR_NO_SUCH_USER); |
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52 } |
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53 |
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54 try { |
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55 Element user = client.findUser(loginuser); |
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56 |
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57 if (user != null) { |
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58 String uuid = user.getAttributeNS( |
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59 ArtifactNamespaceContext.NAMESPACE_URI, "uuid"); |
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60 String name = user.getAttributeNS( |
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61 ArtifactNamespaceContext.NAMESPACE_URI, "name"); |
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62 |
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63 return new DefaultUser(uuid, name); |
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64 } |
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65 } |
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66 catch (ConnectionException ce) { |
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67 logger.error(ce, ce); |
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68 } |
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69 |
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70 logger.error("No users existing in the server."); |
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71 throw new AuthenticationException(ERROR_NO_USERS); |
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72 } |
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73 |
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74 public void logoutCurrentUser() { |
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75 HttpSession session = this.getThreadLocalRequest().getSession(); |
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76 session.setAttribute("user", null); |
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77 } |
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78 } |
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79 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |