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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.certsrv.base;
import java.util.*;
/**
* This class specifies the context object that includes
* authentication environment and connection information.
* This object is later used in access control evaluation.
* This is a global object that can be accessible
* throughout the server. It is useful for passing
* global and per-thread infomration in methods.
* <P>
*
* @version $Revision$, $Date$
*/
public class SessionContext extends Hashtable implements IAuthInfo {
/**
* End user locale of the current processing request in the current thread.
*/
public static final String LOCALE = "locale"; // Locale
/**
* Authentication token in the current thread.
*/
public static final String AUTH_TOKEN = "AuthToken"; // IAuthToken
/**
* ID of the authentication manager in the current thread.
*/
public static final String AUTH_MANAGER_ID = "authManagerId"; // String
/**
* User object of the authenticated user in the current thread.
*/
public static final String USER = "user"; // IUser
/**
* User ID of the authenticated user in the current thread.
*/
public static final String USER_ID = "userid"; // String
/**
* Group ID of the authenticated user in the current thread.
*/
public static final String GROUP_ID = "groupid"; //String
/**
* ID of the processing request in the current thread.
*/
public static final String REQUESTER_ID = "requesterID"; // String
/**
* Recovery ID of a recovery operation in KRA in the current thread.
*/
public static final String RECOVERY_ID = "recoveryID"; // String
/**
* IP Address of the requestor of the request in the current thread.
*/
public static final String IPADDRESS = "ipAddress";
private static Hashtable mContexts = new Hashtable();
/**
* Constructs a session context.
*/
public SessionContext() {
super();
}
/**
* Creates a new context and associates it with
* the current thread. If the current thread is
* also associated with a old context, the old
* context will be replaced.
*/
private static SessionContext createContext() {
SessionContext sc = new SessionContext();
setContext(sc);
return sc;
}
/**
* Sets the current context. This allows the
* caller to associate a specific session context
* with the current thread.
* This methods makes custom session context
* possible.
*
* @param sc session context
*/
public static void setContext(SessionContext sc) {
mContexts.put(Thread.currentThread(), sc);
}
/**
* Retrieves the session context associated with
* the current thread. If no context is associated,
* a context is created.
*
* @return sesssion context
*/
public static SessionContext getContext() {
SessionContext sc = (SessionContext) mContexts.get(
Thread.currentThread());
if (sc == null) {
sc = createContext();
}
return sc;
}
/**
* Retrieves the session context associated with
* the current thread. If no context is associated,
* null is returned.
*
* @return sesssion context
*/
public static SessionContext getExistingContext() {
SessionContext sc = (SessionContext)
mContexts.get(Thread.currentThread());
if (sc == null) {
return null;
}
return sc;
}
/**
* Releases the current session context.
*/
public static void releaseContext() {
SessionContext sc = (SessionContext) mContexts.get(
Thread.currentThread());
if (sc != null) {
mContexts.remove(Thread.currentThread());
}
}
}
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