public static Object getValue(String expression, Object root)
            throws OgnlException
    {
        return getValue(expression, root, null);
    }
public static Object getValue ( String expression , Object root ) throws OgnlException { return getValue ( expression , root , null ) ; }
Convenience method that combines calls to <code> parseExpression </code> and
<code> getValue</code>.

@see #parseExpression(String)
@see #getValue(Object,Object)
@param expression
the OGNL expression to be parsed
@param root
the root object for the OGNL expression
@return the result of evaluating the expression
@throws ExpressionSyntaxException
if the expression is malformed
@throws MethodFailedException
if the expression called a method which failed
@throws NoSuchPropertyException
if the expression referred to a nonexistent property
@throws InappropriateExpressionException
if the expression can't be used in this context
@throws OgnlException
if there is a pathological environmental problem