protected void expandSession(AbstractSession session) throws IOException {
if (session != null) {
String id = session.getId();
HttpSession httpSession = lookupHttpSessionById.get(id);
// Set 'timeLastAccess' upon session:
{
if (httpSession != null) {
Date timeLastAccess = new Date(httpSession.getLastAccessedTime());
session.setTimeLastAccess(timeLastAccess);
}
}
expandSessionPrincipal(session);
// Set 'requestURI' upon session:
{
if (httpSession != null) {
List<String> requestURIs = RequestURISessionDecorator.getRequestURIs(httpSession);
if (requestURIs != null) {
Collections.reverse(requestURIs); // reverse the order!
session.setRequestURIs(requestURIs);
}
}
}
// Set 'properties' upon session:
{
if (httpSession != null) {
Map<String, Object> m = PropertiesSessionDecorator.getProperties(httpSession);
if (m != null) {
Properties properties = convertProperties(m);
session.setProperties(properties);
}
}
}
}
}
/** * @author <a href="mailto:[email protected]" >Morten Sabroe Mortensen</a> * @version $Id: HttpSessionAccessor.java,v 1.8 2007/05/21 17:56:06 momor Exp $ */ public class HttpSessionAccessor extends AbstractSessionAccessor { /** Constructor. */ public HttpSessionAccessor() { super(); } /** */ private static final Map<String, AbstractSession> lookupSessionById = new HashMap<String, AbstractSession>(); /** */ private static final Map<String, HttpSession> lookupHttpSessionById = Collections.synchronizedMap(new HashMap<String, HttpSession>()); /** */ private static int sessionCountMax; /** */ private static Long sessionCountMaxTime; /** */ public static synchronized void sessionCreated(HttpSessionEvent ev) { HttpSession httpSession = ev.getSession(); String id = httpSession.getId(); // Remember HTTP-session: { lookupHttpSessionById.put(id, httpSession); } AbstractSession session = null; synchronized (lookupSessionById) { session = lookupSessionById.get(id); } if (session == null) { Principal userPrincipal = null; Date timeCreation = new Date(httpSession.getCreationTime()); Date timeLastAccess = new Date(httpSession.getLastAccessedTime()); List<String> urisForLastRequests = null; Properties properties = null; session = new DefaultSession( id, userPrincipal, timeCreation, timeLastAccess, urisForLastRequests, properties); synchronized (lookupSessionById) { lookupSessionById.put(id, session); // Update 'sessionCountMax': { int sessionCount = lookupSessionById.size(); if (sessionCount > sessionCountMax) { sessionCountMax = sessionCount; sessionCountMaxTime = System.currentTimeMillis(); } } } } } /** */ public static synchronized void sessionDestroyed(HttpSessionEvent ev) { HttpSession httpSession = ev.getSession(); String id = httpSession.getId(); synchronized (lookupSessionById) { lookupSessionById.remove(id); } // Forget HTTP-session: { lookupHttpSessionById.remove(id); } } /** */ public Integer getSessionCount() throws IOException { Integer res = null; { synchronized (lookupSessionById) { res = lookupSessionById.size(); } } return res; } /** */ public Integer getSessionCountMax() throws IOException { Integer res = null; { synchronized (lookupSessionById) { res = sessionCountMax; } } return res; } /** */ public void resetSessionCountMax() throws IOException { synchronized (lookupSessionById) { sessionCountMax = 0; } } /** */ public List<String> getSessionIds() throws IOException { List<String> res = null; { synchronized (lookupSessionById) { Set<String> keySet = lookupSessionById.keySet(); if (keySet != null) { res = new ArrayList<String>(); res.addAll(keySet); } } } return res; } /** */ public List<Session> getSessions() throws IOException { List<Session> res = null; { synchronized (lookupSessionById) { Collection<AbstractSession> values = lookupSessionById.values(); if (values != null) { res = new ArrayList<Session>(); for (AbstractSession session : values) { expandSession(session); } res.addAll(values); } } } return res; } /** */ protected void expandSessionPrincipal(AbstractSession session) throws IOException { if (session != null) { String id = session.getId(); HttpSession httpSession = lookupHttpSessionById.get(id); // Set 'userPrincipal' upon session: { if (httpSession != null) { Principal userPrincipal = PrincipalSessionDecorator.getPrincipal(httpSession); if (userPrincipal != null) { session.setUserPrincipal(userPrincipal); } } } } } /** */ protected void expandSession(AbstractSession session) throws IOException { if (session != null) { String id = session.getId(); HttpSession httpSession = lookupHttpSessionById.get(id); // Set 'timeLastAccess' upon session: { if (httpSession != null) { Date timeLastAccess = new Date(httpSession.getLastAccessedTime()); session.setTimeLastAccess(timeLastAccess); } } expandSessionPrincipal(session); // Set 'requestURI' upon session: { if (httpSession != null) { List<String> requestURIs = RequestURISessionDecorator.getRequestURIs(httpSession); if (requestURIs != null) { Collections.reverse(requestURIs); // reverse the order! session.setRequestURIs(requestURIs); } } } // Set 'properties' upon session: { if (httpSession != null) { Map<String, Object> m = PropertiesSessionDecorator.getProperties(httpSession); if (m != null) { Properties properties = convertProperties(m); session.setProperties(properties); } } } } } /** */ protected Properties convertProperties(Map<String, Object> m) { Properties res = null; { if (m != null) { res = new Properties(); Set<String> keys = m.keySet(); for (String key : keys) { String value = null; // Set 'value': { Object o = m.get(key); if (o != null) { value = o.toString(); } } res.setProperty(key, value); } } } return res; } /** */ public Session getSessionFromId(String id) throws IOException { Session res = null; { synchronized (lookupSessionById) { AbstractSession session = lookupSessionById.get(id); expandSession(session); res = session; } } return res; } /** */ protected List<AbstractSession> filterByUserPrincipal( Collection<AbstractSession> values, Principal userPrincipal) throws IOException { List<AbstractSession> res = null; { if (values != null) { res = new ArrayList<AbstractSession>(); for (AbstractSession session : values) { expandSessionPrincipal(session); } if (userPrincipal == null) { for (AbstractSession session : values) { Principal p = session.getUserPrincipal(); if (p == null) { res.add(session); } } } else { for (AbstractSession session : values) { Principal p = session.getUserPrincipal(); if (PrincipalUtil.equalsIgnoreRealm(userPrincipal, p)) { res.add(session); } } } } } return res; } /** */ public List<Session> getSessionsFromUserPrincipal(Principal userPrincipal) throws IOException { List<Session> res = null; { synchronized (lookupSessionById) { Collection<AbstractSession> values = lookupSessionById.values(); values = filterByUserPrincipal(values, userPrincipal); if (values != null) { res = new ArrayList<Session>(); for (AbstractSession session : values) { expandSession(session); } res.addAll(values); } } } return res; } /** */ public Properties getProperties() throws IOException { Properties res = null; { res = super.getProperties(); if (res == null) { res = new Properties(); } Integer sessionCount = null; Integer sessionCountMax = null; Long sessionCountMaxTime = null; synchronized (lookupSessionById) { sessionCount = lookupSessionById.size(); sessionCountMax = this.sessionCountMax; sessionCountMaxTime = this.sessionCountMaxTime; } if (sessionCount != null) { res.setProperty("session.count", Integer.toString(sessionCount)); } if (sessionCountMax != null) { res.setProperty("session.count-max", Integer.toString(sessionCountMax)); } if (sessionCountMaxTime != null) { String sessionCountMaxTimeText = ApplicationConstants.FORMAT_DATE.format(sessionCountMaxTime); res.setProperty("session.count-max.timestamp", sessionCountMaxTimeText); } } return res; } /** */ public void dispose() { super.dispose(); } }
