package net.toodarkpark.util.comparison;

import java.util.*;
import org.apache.commons.beanutils.PropertyUtils;
import org.apache.commons.collections.Predicate;

// convenience class for greaterthan/lessthan

public class BetweenPredicate implements Predicate
{
	protected AndPredicate qualif;

	public BetweenPredicate( Object aLesserValue, Object aGreaterValue )
	{
		this( null, aLesserValue, aGreaterValue );
	}
	
	public BetweenPredicate( Comparator aComparator, Object aLesserValue, Object aGreaterValue )
	{
		super();
		List qualifs = new ArrayList();
		List gtQualifs = new ArrayList();
		List ltQualifs = new ArrayList();

		// greater than
		gtQualifs.add( new GreaterThanPredicate( aComparator, aGreaterValue ) );
		gtQualifs.add( new EqualToPredicate( aComparator, aGreaterValue ) );

		// combined
		qualifs.add( new OrPredicate( gtQualifs ) );

		// less than
		ltQualifs.add( new LessThanPredicate( aComparator, aLesserValue ) );
		ltQualifs.add( new EqualToPredicate( aComparator, aLesserValue ) );

		// combined
		qualifs.add( new OrPredicate( ltQualifs ) );

		qualif = new AndPredicate( qualifs );
	}
	
	public boolean evaluate( Object comparison ) 
	{
		return qualif.evaluateWithObject( comparison );
	}
}