Application: gvSIG desktop

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

import org.apache.commons.lang3.Range;

import org.gvsig.expressionevaluator.Function;

import org.gvsig.expressionevaluator.Interpreter;

import org.gvsig.expressionevaluator.spi.AbstractFunction;

import org.gvsig.tools.swing.api.ListElement;

public class LabeledValueFunction extends AbstractFunction {

    public static final String NAME = "LABELEDVALUE";

    public LabeledValueFunction() {

        super(Function.GROUP_PROGRAMMING, 

            NAME, 

            Range.is(2),

            null,

            null,

            null,

            "Object",

            false

        );

    }

    @Override

    public boolean allowConstantFolding() {

        return false;

    }

    @Override

    public Object call(Interpreter interpreter, Object[] args) throws Exception {

        String label = getStr(args, 0);

        Object value = getObject(args, 1);

        ListElement x = new ListElement(label, value);

        return x;

    }

}