/*
 * 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.crawler.kiss;

import java.util.List;

import org.wamblee.conditions.Condition;


/**
 * Obtains a list of interesting programs from a TV guide and decides
 * what to do with them.  
 */
public class ProgramFilter {
    
    private Condition<Program> _condition; 
    
    private ProgramAction _action; 
    
    public ProgramFilter(Condition<Program> aCondition, ProgramAction aAction) { 
        _condition = aCondition; 
        _action = aAction; 
    }
    
    public ProgramAction getAction() { 
        return _action;
    }
    
    public List<Program> apply(TVGuide aGuide) { 
        MatchVisitor matcher = new MatchVisitor(_condition);
        aGuide.accept(matcher);
        return matcher.getMatches(); 
    }
}