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/*
* HASessionStoreValve.java
*
* Created on June 27, 2002, 6:42 PM
*/
package com.sun.enterprise.ee.web.sessmgmt;
import java.util.HashMap;
import java.util.logging.Logger;
import java.util.logging.Level;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.ServletContext;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpSession;
import org.apache.catalina.valves.ValveBase;
import org.apache.catalina.Context;
import org.apache.catalina.Globals;
import org.apache.catalina.Manager;
import org.apache.catalina.Request;
import org.apache.catalina.Response;
import org.apache.catalina.Session;
import org.apache.catalina.ValveContext;
import org.apache.catalina.core.StandardContext;
import com.sun.appserv.ha.uow.ReplicableEntity;
import com.sun.appserv.ha.uow.ReplicationUnitOfWork;
import com.sun.logging.LogDomains;
/**
*
* @author lwhite
*/
public class HASessionStoreValve extends ValveBase {
/**
* The logger to use for logging ALL web container related messages.
*/
private static final Logger _logger
= LogDomains.getLogger(LogDomains.WEB_LOGGER);
/** Creates a new instance of HASessionStoreValve */
public HASessionStoreValve() {
super();
}
/**
* invoke call-back; nothing to do on the way in
* @param request
* @param response
*/
public int invoke(org.apache.catalina.Request request, org.apache.catalina.Response response) throws java.io.IOException, javax.servlet.ServletException {
//FIXME this is for 7.0PE style valves
//left here if the same optimization is done to the valve architecture
return INVOKE_NEXT;
// return 0;
}
/**
* A post-request processing implementation that does the valveSave.
* @param request
* @param response
*/
public void postInvoke(Request request, Response response)
throws IOException, ServletException {
//FIXME this is for 7.0PE style valves
//left here if the same optimization is done to the valve architecture
doPostInvoke(request, response);
}
/**
* invoke call-back; nothing to do on the way in
* @param request
* @param response
*/
public void invoke(org.apache.catalina.Request request, org.apache.catalina.Response response, ValveContext ctx) throws java.io.IOException, javax.servlet.ServletException {
try {
//this is on the way "in"
ctx.invokeNext(request, response);
//this is on the way "out"
} catch (Exception ex) { //IO or ServletException
} finally {
//this is on the way "out" too
doPostInvoke(request, response);
}
}
/**
* A post-request processing implementation that does the valveSave.
* @param request
* @param response
*/
private void doPostInvoke(Request request, Response response)
throws IOException, ServletException {
if(_logger.isLoggable(Level.FINEST)) {
_logger.finest("IN HASessionStoreValve>>postInvoke()");
}
String sessionId = null;
Session session = null;
StandardContext context = null;
Manager manager = null;
HttpServletRequest hreq =
(HttpServletRequest) request.getRequest();
HttpSession hsess = hreq.getSession(false);
if (hsess != null) {
sessionId = hsess.getId();
if(_logger.isLoggable(Level.FINEST)) {
_logger.finest("IN HASessionStoreValve:postInvoke:sessionId=" +
sessionId);
}
}
if (sessionId != null) {
context = (StandardContext) request.getContext();
manager = context.getManager();
session = manager.findSession(sessionId);
if(_logger.isLoggable(Level.FINEST)) {
_logger.finest("IN HASessionStoreValve:postInvoke:session=" +
session);
}
if (session != null) {
if (!context.isConverged()) {
WebEventPersistentManager pMgr =
(WebEventPersistentManager) manager;
pMgr.doValveSave(session);
} else {
ReplicationUnitOfWork uow =
ReplicationUnitOfWork.getThreadLocalUnitOfWork();
if (uow != null) {
// Make sure our session is part of the UOW
// if it has not already been added to it
// (UOW will detect if it's a duplicate)
uow.add((ReplicableEntity) session);
uow.save();
} else {
throw new IllegalStateException("Missing unit-of-work");
}
}
}
}
}
}