/**
* Optionally logs out the ending request attributes and session for the first {@link
* HttpServletRequest} argument to the method.
*/
public void traceAfter(JoinPoint jp, Object retVal) {
if (!logger.isDebugEnabled()) return;
Log logger = LoggerHelper.getLogger(jp.getStaticPart().getSignature().getDeclaringType());
if (logger.isDebugEnabled()) {
HttpServletRequest req = findRequest(jp);
if (req == null) return;
if (logger.isTraceEnabled()) logRequestAttributes(req, logger);
if (logger.isDebugEnabled()) logSessionAttributes(req, logger);
}
}
/**
* Helper to log out the request attributes at trace level
*
* @param req The request
* @param logger The logger
*/
@SuppressWarnings("unchecked")
private void logRequestAttributes(HttpServletRequest req, Log logger) {
StringBuilder buf = new StringBuilder();
buf.append("Request Attributes: ");
buf.append("\n\t**** Request Attributes ****");
Enumeration e = req.getAttributeNames();
while (e.hasMoreElements()) {
String k = (String) e.nextElement();
buf.append("\n\t").append(k).append("=").append(LoggerHelper.getValue(req.getAttribute(k)));
}
buf.append("\n\t**** End Request Attrobites ****");
logger.trace(buf.toString());
}
/**
* Helper to log out the session attributes at debug level
*
* @param req The request
* @param logger The logger
*/
@SuppressWarnings("unchecked")
private void logSessionAttributes(HttpServletRequest req, Log logger) {
HttpSession session = req.getSession(false);
if (session == null) return;
StringBuilder buf = new StringBuilder();
buf.append("Session Contents: ");
buf.append("\n\t**** Session Contents ****");
Enumeration e = session.getAttributeNames();
while (e.hasMoreElements()) {
String k = (String) e.nextElement();
buf.append("\n\t")
.append(k)
.append("=")
.append(LoggerHelper.getValue(session.getAttribute(k)));
}
buf.append("\n\t**** End Session Contents ****");
logger.debug(buf.toString());
}