Application: gvSIG desktop

package org.gvsig.expressionevaluator.impl.function.predicate;

import static org.gvsig.expressionevaluator.ExpressionBuilder.OPERATOR_ILIKE;

import org.gvsig.expressionevaluator.Function;

import org.gvsig.expressionevaluator.Interpreter;

import org.gvsig.expressionevaluator.impl.function.operator.AbstractBinaryOperator;

public class IlikeOperator extends AbstractBinaryOperator {

    public IlikeOperator() {

        super(Function.GROUP_STRING,  OPERATOR_ILIKE, true);

    }

    @Override

    public boolean allowConstantFolding() {

        return true;

    }

    @Override

    public Object call(Interpreter interpreter, Object op1, Object op2) {       

        if( op1 instanceof CharSequence && op2 instanceof CharSequence ) {

            boolean value = ilike(((CharSequence) op1).toString(), ((CharSequence) op2).toString());

            return value;

        }

        throw new IllegalArgumentException("Types not allowed in '"+name()+"' operand.");

    }

    public static boolean ilike(String op1, String op2) {

        return LikeOperator.like(op1.toLowerCase(),op2.toLowerCase());

    }

}