Filter.java

package com.aionemu.packetsamurai.filter;

import java.util.List;

import com.aionemu.packetsamurai.parser.DataStructure;

import javolution.util.FastList;

/**
 * 
 * @author Gilles Duboscq
 *
 */
public class Filter
{
    private Condition _cond;
    
    
    public Filter(String str)
    {
        _cond = new Condition(str);
    }
    
    public Condition getFilterCondition()
    {
        return _cond;
    }
    
    public List<DataStructure> filterPacketList(List<DataStructure> packets)
    {
        List<DataStructure> list = new FastList<DataStructure>();
        // :)
        for(DataStructure dp : packets)
            if(this.matches(dp))
                list.add(dp);
        // i dont like when there's no { } tho, this one is beautiful :)
        return list;
    }
    
    public boolean matches(DataStructure dp)
    {
        return this.getFilterCondition().evaluate(dp);
    }
}