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/**
 * Licensed to Apereo under one or more contributor license
 * agreements. See the NOTICE file distributed with this work
 * for additional information regarding copyright ownership.
 * Apereo licenses this file to you 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 the following location:
 *
 *   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.jasig.cas.client.tomcat.v8;

import org.apache.catalina.LifecycleException;
import org.jasig.cas.client.tomcat.CasRealm;
import org.jasig.cas.client.tomcat.PropertiesCasRealmDelegate;

/**
 * Tomcat Realm that implements {@link CasRealm} backed by properties file
 * containing usernames/and roles of the following format:
 *  * username1=role1,role2,role3
 * username2=role1
 * username3=role2,role3
 * 
 * User authentication succeeds if the name of the given principal exists as
 * a username in the properties file.
 *
 * @author Marvin S. Addison
 * @version $Revision$
 * @since 3.1.12
 *
 */
public class PropertiesCasRealm extends AbstractCasRealm {

    private final PropertiesCasRealmDelegate delegate = new PropertiesCasRealmDelegate();

    /**
     * @param path Path to properties file container username/role data.
     */
    public void setPropertiesFilePath(final String path) {
        this.delegate.setPropertiesFilePath(path);
    }

    /** {@inheritDoc} */
    @Override
    protected void startInternal() throws LifecycleException {
        super.startInternal();
        this.delegate.readProperties();
    }

    /** {@inheritDoc} */
    @Override
    protected CasRealm getDelegate() {
        return this.delegate;
    }

}