/**
* Reinstantiates a serialized session from the data passed in. This will first call
* createSession() so that we get a fresh instance with all the managers set and all the transient
* fields validated. Then it calls Session.readObjectData(byte[]) to deserialize the object
*
* @param data - a byte array containing session data
* @return a valid Session object, null if an error occurs
*/
protected Session readSession(byte[] data, String sessionId) {
try {
ReplicationStream session_in = getReplicationStream(data);
Session session = sessionId != null ? this.findSession(sessionId) : null;
boolean isNew = (session == null);
// clear the old values from the existing session
if (session != null) {
ReplicatedSession rs = (ReplicatedSession) session;
rs.expire(false); // cleans up the previous values, since we are not doing removes
session = null;
} // end if
if (session == null) {
session = createSession(null, false, false);
sessions.remove(session.getIdInternal());
}
boolean hasPrincipal = session_in.readBoolean();
SerializablePrincipal p = null;
if (hasPrincipal) p = (SerializablePrincipal) session_in.readObject();
((ReplicatedSession) session).readObjectData(session_in);
if (hasPrincipal) session.setPrincipal(p.getPrincipal(getContainer().getRealm()));
((ReplicatedSession) session).setId(sessionId, isNew);
ReplicatedSession rsession = (ReplicatedSession) session;
rsession.setAccessCount(1);
session.setManager(this);
session.setValid(true);
rsession.setLastAccessedTime(System.currentTimeMillis());
rsession.setThisAccessedTime(System.currentTimeMillis());
((ReplicatedSession) session).setAccessCount(0);
session.setNew(false);
if (log.isTraceEnabled())
log.trace(
"Session loaded id="
+ sessionId
+ " actualId="
+ session.getId()
+ " exists="
+ this.sessions.containsKey(sessionId)
+ " valid="
+ rsession.isValid());
return session;
} catch (Exception x) {
log.error("Failed to deserialize the session!", x);
}
return null;
}
