/*
 * Copyright 2005 the original author or authors.
 * 
 * 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.wamblee.security.authorization;

import org.apache.log4j.Logger;


/**
 * Inititializer class for authorization rules. This class initializes the 
 * authorization rules in case none are present. 
 */
public class AuthorizationInitializer {
    
    private static final Logger LOGGER = Logger.getLogger(AuthorizationInitializer.class);

    /**
     * Initializes authorization rules in case none are present. 
     * @param aService Authorization service. 
     * @param aRules Default rules for initialization. 
     */
    public AuthorizationInitializer(AuthorizationService aService, AuthorizationRule[] aRules) { 
         if ( aService.getRules().length == 0 ) { 
             for (AuthorizationRule rule: aRules) { 
                 LOGGER.info("Appending authorization rule " + rule);
                 aService.appendRule(rule); 
             }
         }
    }
}