org.parancoe.plugins.securityevolution.ParancoeUserDetailsService.java Source code

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Here is the source code for org.parancoe.plugins.securityevolution.ParancoeUserDetailsService.java

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/**
 * Copyright (C) 2006-2012 The Parancoe Team <info@parancoe.org>
 *
 * This file is part of Parancoe Plugin Spring Security Evolution.
 *
 * 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 org.parancoe.plugins.securityevolution;

import java.util.ArrayList;
import java.util.List;

import javax.annotation.Resource;

import org.springframework.dao.DataAccessException;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.GrantedAuthorityImpl;
import org.springframework.security.core.userdetails.User;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.security.core.userdetails.UserDetailsService;
import org.springframework.security.core.userdetails.UsernameNotFoundException;

/**
 * @author EGiurin
 * 
 */
public class ParancoeUserDetailsService implements UserDetailsService {
    @Resource
    private UserDao userDao;
    @Resource
    private AuthorityDao authorityDao;

    /*
     * (non-Javadoc)
     * 
     * @see org.springframework.security.core.userdetails.UserDetailsService#
     * loadUserByUsername(java.lang.String)
     */
    @Override
    public UserDetails loadUserByUsername(java.lang.String username)
            throws UsernameNotFoundException, DataAccessException {

        org.parancoe.plugins.securityevolution.User user = userDao.findByUsername(username);

        if (user == null)
            throw new UsernameNotFoundException("username " + username + " not found in the system");

        List<Authority> authorities = authorityDao.findAllAuthoritiesAssociatedToUsername(username);
        return new User(user.getUsername(), user.getPassword(), user.isEnabled(), true, true, !user.isLocked(),
                authorities2GrantedAuthorities(authorities));
    }

    // TODO evaluate if there is a smarter way to convert a list...
    private List<GrantedAuthority> authorities2GrantedAuthorities(List<Authority> authorites) {
        List<GrantedAuthority> result = new ArrayList<GrantedAuthority>();
        if ((authorites == null) || (authorites.size() == 0))
            return result;
        for (Authority a : authorites) {
            result.add(new GrantedAuthorityImpl(a.getRole()));
        }
        return result;
    }

}