*/
public static Object parseExpression(String expressionString)
{
expressionString = toJspElExpression(expressionString);
ELParser parser = new ELParser(new StringReader(expressionString));
try
{
Object expression = parser.ExpressionString();
if (!(expression instanceof Expression)
&& !(expression instanceof ExpressionString))
{
throw new ReferenceSyntaxException("Invalid expression: '"
+ expressionString