001    /**
002     * Implements the Cold Fusion Function right
003     */
004    package railo.runtime.functions.string;
005    
006    import railo.runtime.PageContext;
007    import railo.runtime.exp.ExpressionException;
008    import railo.runtime.ext.function.Function;
009    
010    public final class Right implements Function {
011            public static String call(PageContext pc , String str, double number) throws ExpressionException {
012                    int len=(int) number;
013                    if(len<1) throw new ExpressionException("parameter 2 of the function right must be a positive number now ["+len+"]");
014                    if(len>=str.length()) return str;
015                    int l=str.length();
016                    return str.substring(l-len,l);
017            }
018    }