Application: gvSIG desktop

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

import org.apache.commons.lang3.ArrayUtils;

import org.apache.commons.lang3.Range;

import org.gvsig.expressionevaluator.Interpreter;

import org.gvsig.expressionevaluator.spi.AbstractFunction;

public class FormatFunction extends AbstractFunction {

    public FormatFunction() {

        super("String", "FORMAT", Range.between(2,Integer.MAX_VALUE));

    }

    @Override

    public boolean allowConstantFolding() {

        return true;

    }

    @Override

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

        String format = this.getStr(args, 0);

        ArrayUtils.shift(args, 1);

        String value = String.format(format, args);

        return value;

    }

}