Mercurial > dive4elements > river
comparison flys-client/src/main/java/de/intevation/flys/client/server/UserServiceImpl.java @ 25:2da6be38d8b6
Added a User interface and a default implementation to handle users in this client.
flys-client/trunk@1411 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Mon, 07 Mar 2011 13:40:37 +0000 |
| parents | bc5d4d2297b9 |
| children | d573ae975330 |
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| 24:8825ce0a537e | 25:2da6be38d8b6 |
|---|---|
| 1 package de.intevation.flys.client.server; | 1 package de.intevation.flys.client.server; |
| 2 | |
| 3 import javax.xml.xpath.XPathConstants; | |
| 4 | |
| 5 import org.w3c.dom.Document; | |
| 6 import org.w3c.dom.Node; | |
| 7 import org.w3c.dom.NodeList; | |
| 2 | 8 |
| 3 import com.google.gwt.user.server.rpc.RemoteServiceServlet; | 9 import com.google.gwt.user.server.rpc.RemoteServiceServlet; |
| 4 | 10 |
| 5 import com.google.gwt.core.client.GWT; | 11 import com.google.gwt.core.client.GWT; |
| 6 | 12 |
| 7 import de.intevation.artifacts.common.model.DefaultUser; | 13 import de.intevation.artifacts.common.ArtifactNamespaceContext; |
| 8 import de.intevation.artifacts.common.model.User; | 14 import de.intevation.artifacts.common.utils.XMLUtils; |
| 15 | |
| 16 import de.intevation.artifacts.httpclient.exceptions.ConnectionException; | |
| 17 import de.intevation.artifacts.httpclient.http.HttpClient; | |
| 18 import de.intevation.artifacts.httpclient.http.HttpClientImpl; | |
| 19 import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler; | |
| 9 | 20 |
| 10 import de.intevation.flys.client.client.services.UserService; | 21 import de.intevation.flys.client.client.services.UserService; |
| 22 import de.intevation.flys.client.shared.model.DefaultUser; | |
| 23 import de.intevation.flys.client.shared.model.User; | |
| 11 | 24 |
| 12 | 25 |
| 13 /** | 26 /** |
| 14 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | 27 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
| 15 */ | 28 */ |
| 16 public class UserServiceImpl | 29 public class UserServiceImpl |
| 17 extends RemoteServiceServlet | 30 extends RemoteServiceServlet |
| 18 implements UserService | 31 implements UserService |
| 19 { | 32 { |
| 20 public User getCurrentUser() { | 33 public User getCurrentUser(String serverUrl) { |
| 21 GWT.log("Return the current user 'Max Mustermann'."); | 34 HttpClient client = new HttpClientImpl(serverUrl); |
| 22 return new DefaultUser("Max", "Mustermann"); | 35 |
| 36 try { | |
| 37 Document users = (Document) client.listUsers(); | |
| 38 | |
| 39 String XPATH_USERS = "/art:users/art:user"; | |
| 40 | |
| 41 NodeList theUsers = (NodeList) XMLUtils.xpath( | |
| 42 users, | |
| 43 XPATH_USERS, | |
| 44 XPathConstants.NODESET, | |
| 45 ArtifactNamespaceContext.INSTANCE); | |
| 46 | |
| 47 if (theUsers != null && theUsers.getLength() > 0) { | |
| 48 Node user = theUsers.item(0); | |
| 49 | |
| 50 String uuid = XMLUtils.xpathString( | |
| 51 user, "@art:uuid", ArtifactNamespaceContext.INSTANCE); | |
| 52 String name = XMLUtils.xpathString( | |
| 53 user, "@art:name", ArtifactNamespaceContext.INSTANCE); | |
| 54 | |
| 55 return new DefaultUser(uuid, name); | |
| 56 } | |
| 57 } | |
| 58 catch (ConnectionException ce) { | |
| 59 System.err.println(ce.getLocalizedMessage()); | |
| 60 } | |
| 61 | |
| 62 System.err.println("No users existing in the server."); | |
| 63 return null; | |
| 23 } | 64 } |
| 24 } | 65 } |
| 25 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : | 66 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |