view flys-client/src/main/java/de/intevation/flys/client/server/UserServiceImpl.java @ 103:deaa50a8be82

Removed some out commented code that have been commited by mistaken. flys-client/trunk@1620 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 30 Mar 2011 08:35:50 +0000
parents d573ae975330
children 907b61e4d702
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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 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.flys.client.client.services.UserService;
import de.intevation.flys.client.shared.model.DefaultUser;
import de.intevation.flys.client.shared.model.User;


/**
 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
 */
public class UserServiceImpl
extends      RemoteServiceServlet
implements   UserService
{
    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;
    }
}
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