MongoUserDetailService.java

/**
 * Copyright (C) 2014 cherimojava (http://github.com/cherimojava/orchidae) Licensed under the Apache License, Version
 * 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the
 * License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied. See the License for the specific language governing permissions and limitations
 * under the License.
 */
package com.github.cherimojava.orchidae.security;

import java.util.Collections;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;

import com.github.cherimojava.data.mongo.entity.EntityFactory;
import com.github.cherimojava.orchidae.api.entities.User;
import com.github.cherimojava.orchidae.util.UserUtil;

/**
 * loads User detail information/basic user information and the users permissions
 */
public class MongoUserDetailService
    implements UserDetailsService
{
    @Autowired
    private EntityFactory factory;

    @Autowired
    private UserUtil userUtil;

    /**
     * retrieves the user information or null if no such user is found
     * 
     * @param username
     * @return
     * @throws UsernameNotFoundException
     */
    @Override
    public UserDetails loadUserByUsername( String username )
        throws UsernameNotFoundException
    {
        User user = userUtil.getUser( username );
        if ( user == null )
        {
            return null;
        }
        return new org.springframework.security.core.userdetails.User( user.getUsername(), user.getPassword(),
            Collections.EMPTY_LIST );
    }
}