Application: gvSIG desktop

import org.gvsig.expressionevaluator.Code;

import org.gvsig.expressionevaluator.Formatter;

                true

    @Override

    public String toString(Codes args, Formatter<Code> formatter) {

        StringBuilder builder = new StringBuilder();

        int count;

        int firstValue;

        int elseValue;

        if( (args.size() % 2) == 0) {

            count = args.size() / 2;

            firstValue = count;

            elseValue = -1;

        } else {

            count = (args.size()-1) / 2;

            firstValue = count;

            elseValue = args.size()-1;

        }

        Object value = null;

        builder.append("CASE");

        for( int n=0; n<count; n++ ) {

            builder.append(" WHEN ");

            builder.append(args.get(n).toString(formatter));

            builder.append(" THEN ");

            builder.append(args.get(n+firstValue).toString(formatter));

        }

        if( elseValue>0 && args.get(elseValue)!=null) {

            builder.append(" ELSE ");

            builder.append(args.get(elseValue).toString(formatter));

        }

        builder.append(" END");

        return builder.toString();

    }