/* Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
 *
 * 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.springframework.security.ldap.userdetails;

import java.util.Collection;

import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.userdetails.UserDetails;
import org.springframework.ldap.core.DirContextOperations;
import org.springframework.ldap.core.DirContextAdapter;
import org.springframework.util.Assert;


/**
 * @author Luke Taylor
 */
public class InetOrgPersonContextMapper implements UserDetailsContextMapper {

    public UserDetails mapUserFromContext(DirContextOperations ctx, String username, Collection<GrantedAuthority> authorities) {
        InetOrgPerson.Essence p = new InetOrgPerson.Essence(ctx);

        p.setUsername(username);
        p.setAuthorities(authorities);

        return p.createUserDetails();

    }

    public void mapUserToContext(UserDetails user, DirContextAdapter ctx) {
        Assert.isInstanceOf(InetOrgPerson.class, user, "UserDetails must be an InetOrgPerson instance");

        InetOrgPerson p = (InetOrgPerson) user;
        p.populateContext(ctx);
    }
}
