Mercurial > dive4elements > river
diff 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> |
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date | Mon, 07 Mar 2011 13:40:37 +0000 |
parents | bc5d4d2297b9 |
children | d573ae975330 |
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--- a/flys-client/src/main/java/de/intevation/flys/client/server/UserServiceImpl.java Wed Mar 02 10:00:17 2011 +0000 +++ b/flys-client/src/main/java/de/intevation/flys/client/server/UserServiceImpl.java Mon Mar 07 13:40:37 2011 +0000 @@ -1,13 +1,26 @@ package de.intevation.flys.client.server; +import javax.xml.xpath.XPathConstants; + +import org.w3c.dom.Document; +import org.w3c.dom.Node; +import org.w3c.dom.NodeList; + import com.google.gwt.user.server.rpc.RemoteServiceServlet; import com.google.gwt.core.client.GWT; -import de.intevation.artifacts.common.model.DefaultUser; -import de.intevation.artifacts.common.model.User; +import de.intevation.artifacts.common.ArtifactNamespaceContext; +import de.intevation.artifacts.common.utils.XMLUtils; + +import de.intevation.artifacts.httpclient.exceptions.ConnectionException; +import de.intevation.artifacts.httpclient.http.HttpClient; +import de.intevation.artifacts.httpclient.http.HttpClientImpl; +import de.intevation.artifacts.httpclient.http.response.DocumentResponseHandler; import de.intevation.flys.client.client.services.UserService; +import de.intevation.flys.client.shared.model.DefaultUser; +import de.intevation.flys.client.shared.model.User; /** @@ -17,9 +30,37 @@ extends RemoteServiceServlet implements UserService { - public User getCurrentUser() { - GWT.log("Return the current user 'Max Mustermann'."); - return new DefaultUser("Max", "Mustermann"); + public User getCurrentUser(String serverUrl) { + HttpClient client = new HttpClientImpl(serverUrl); + + try { + Document users = (Document) client.listUsers(); + + String XPATH_USERS = "/art:users/art:user"; + + NodeList theUsers = (NodeList) XMLUtils.xpath( + users, + XPATH_USERS, + XPathConstants.NODESET, + ArtifactNamespaceContext.INSTANCE); + + if (theUsers != null && theUsers.getLength() > 0) { + Node user = theUsers.item(0); + + String uuid = XMLUtils.xpathString( + user, "@art:uuid", ArtifactNamespaceContext.INSTANCE); + String name = XMLUtils.xpathString( + user, "@art:name", ArtifactNamespaceContext.INSTANCE); + + return new DefaultUser(uuid, name); + } + } + catch (ConnectionException ce) { + System.err.println(ce.getLocalizedMessage()); + } + + System.err.println("No users existing in the server."); + return null; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :