org.acegisecurity.userdetails.memory.InMemoryDaoImpl Maven / Gradle / Ivy

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/* Copyright 2004, 2005 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.acegisecurity.userdetails.memory;

import java.util.Properties;

import org.acegisecurity.userdetails.UserDetails;
import org.acegisecurity.userdetails.UserDetailsService;
import org.acegisecurity.userdetails.UsernameNotFoundException;
import org.springframework.beans.factory.InitializingBean;
import org.springframework.dao.DataAccessException;
import org.springframework.util.Assert;


/**
 * Retrieves user details from an in-memory list created by the bean context.
 *
 * @author Ben Alex
 * @version $Id: InMemoryDaoImpl.java,v 1.9 2005/11/29 13:10:09 benalex Exp $
 */
public class InMemoryDaoImpl implements UserDetailsService, InitializingBean {
    //~ Instance fields ========================================================

    private UserMap userMap;

    //~ Methods ================================================================

    public void setUserMap(UserMap userMap) {
        this.userMap = userMap;
    }

    public UserMap getUserMap() {
        return userMap;
    }

    /**
     * Modifies the internal UserMap to reflect the
     * Properties instance passed. This helps externalise user
     * information to another file etc.
     *
     * @param props the account information in a Properties object
     *        format
     */
    public void setUserProperties(Properties props) {
        UserMap userMap = new UserMap();
        this.userMap = UserMapEditor.addUsersFromProperties(userMap, props);
    }

    public void afterPropertiesSet() throws Exception {
        Assert.notNull(this.userMap,
            "A list of users, passwords, enabled/disabled status and their granted authorities must be set");
    }

    public UserDetails loadUserByUsername(String username)
        throws UsernameNotFoundException, DataAccessException {
        return userMap.getUser(username);
    }
}