GroupsImpl.java

package net.thesocialos.server;

import java.util.Map;

import net.thesocialos.client.service.GroupsService;
import net.thesocialos.shared.exceptions.GroupNotFoundException;
import net.thesocialos.shared.model.Group;
import net.thesocialos.shared.model.User;

import com.google.gwt.user.server.rpc.XsrfProtectedServiceServlet;
import com.googlecode.objectify.Key;
import com.googlecode.objectify.Objectify;
import com.googlecode.objectify.ObjectifyService;

@SuppressWarnings("serial")
public class GroupsImpl extends XsrfProtectedServiceServlet implements GroupsService {
	
	@Override
	public Map<Key<Group>, Group> getUserGroups() throws GroupNotFoundException {
		Objectify ofy = ObjectifyService.begin();
		
		User user = UserHelper
				.getUserWithEmail(UserHelper.getUserHttpSession(perThreadRequest.get().getSession()), ofy);
		
		Map<Key<Group>, Group> groups;
		try {
			groups = ofy.get(Group.class, user.getGroups());
		} catch (IllegalArgumentException e) {
			throw new GroupNotFoundException("No groups Found");
		}
		return groups;
		
	}
	
}