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annotate flys-client/src/main/java/de/intevation/flys/client/server/UserServiceImpl.java @ 47:45ae03d9ca2b

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Implemented the getData() method of the WQInputPanel. flys-client/trunk@1495 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 17 Mar 2011 10:54:41 +0000
parents 2da6be38d8b6
children d573ae975330
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.
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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 com.google.gwt.user.server.rpc.RemoteServiceServlet;
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10
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11 import com.google.gwt.core.client.GWT;
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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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19 import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler;
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21 import de.intevation.flys.client.client.services.UserService;
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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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24
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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 public User getCurrentUser(String serverUrl) {
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34 HttpClient client = new HttpClientImpl(serverUrl);
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35
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36 try {
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37 Document users = (Document) client.listUsers();
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38
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39 String XPATH_USERS = "/art:users/art:user";
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41 NodeList theUsers = (NodeList) XMLUtils.xpath(
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42 users,
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43 XPATH_USERS,
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44 XPathConstants.NODESET,
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45 ArtifactNamespaceContext.INSTANCE);
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47 if (theUsers != null && theUsers.getLength() > 0) {
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48 Node user = theUsers.item(0);
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49
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50 String uuid = XMLUtils.xpathString(
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51 user, "@art:uuid", ArtifactNamespaceContext.INSTANCE);
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52 String name = XMLUtils.xpathString(
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53 user, "@art:name", ArtifactNamespaceContext.INSTANCE);
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54
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55 return new DefaultUser(uuid, name);
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56 }
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57 }
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58 catch (ConnectionException ce) {
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59 System.err.println(ce.getLocalizedMessage());
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60 }
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61
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62 System.err.println("No users existing in the server.");
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63 return null;
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64 }
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65 }
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66 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org