WelcomeScreenRestService.java
/**
* Copyright (C) 2012 eXo Platform SAS.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.exoplatform.platform.common.account.setup.rest;
import org.exoplatform.container.PortalContainer;
import org.exoplatform.services.log.ExoLogger;
import org.exoplatform.services.log.Log;
import org.exoplatform.services.organization.OrganizationService;
import org.exoplatform.services.organization.UserHandler;
import org.exoplatform.services.rest.resource.ResourceContainer;
import org.json.JSONException;
import org.json.JSONObject;
import javax.ws.rs.*;
import javax.ws.rs.core.CacheControl;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
/**
* @author <a href="hzekri@exoplatform.com">hzekri</a>
*/
@Path("/welcomeScreen")
public class WelcomeScreenRestService implements ResourceContainer {
private static final Log LOG = ExoLogger.getLogger(WelcomeScreenRestService.class);
/**
* This method checks if username entered by user in Account Setup Screen already exists
*/
@GET
@Path("/checkUsername")
@Produces(MediaType.APPLICATION_JSON)
@Consumes(MediaType.APPLICATION_JSON)
public Response checkUsername(@QueryParam("username") String username) {
CacheControl cacheControl = new CacheControl();
cacheControl.setNoCache(true);
cacheControl.setNoStore(true);
boolean userExists = false;
JSONObject jsonObject = new JSONObject();
OrganizationService orgService = (OrganizationService) PortalContainer.getInstance().getComponentInstanceOfType(OrganizationService.class);
UserHandler userHandler = orgService.getUserHandler();
try {
if (userHandler.findUserByName(username) != null) {
userExists = true;
}
} catch (Exception e) {
LOG.error("An error occurred while checking if username exists.", e);
}
try {
jsonObject.put("userExists", userExists);
} catch (JSONException e) {
LOG.error("An error occurred while creating JSONObject that will be returned to identify if username exists.", e);
}
return Response.ok(jsonObject.toString()).cacheControl(cacheControl).build();
}
}