sCachedExpressionStrings.get (pExpressionString);
if (ret == null) {
// Parse the expression
Reader r = new StringReader (pExpressionString);
ELParser parser = new ELParser (r);
try {
ret = parser.ExpressionString ();
sCachedExpressionStrings.put (pExpressionString, ret);
}
catch (ParseException exc) {
throw new ELException
(formatParseException (pExpressionString,