/* * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER. * * Copyright (c) 1997-2011 Oracle and/or its affiliates. All rights reserved. * * The contents of this file are subject to the terms of either the GNU * General Public License Version 2 only ("GPL") or the Common Development * and Distribution License("CDDL") (collectively, the "License"). You * may not use this file except in compliance with the License. You can * obtain a copy of the License at * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html * or packager/legal/LICENSE.txt. See the License for the specific * language governing permissions and limitations under the License. * * When distributing the software, include this License Header Notice in each * file and include the License file at packager/legal/LICENSE.txt. * * GPL Classpath Exception: * Oracle designates this particular file as subject to the "Classpath" * exception as provided by Oracle in the GPL Version 2 section of the License * file that accompanied this code. * * Modifications: * If applicable, add the following below the License Header, with the fields * enclosed by brackets [] replaced by your own identifying information: * "Portions Copyright [year] [name of copyright owner]" * * Contributor(s): * If you wish your version of this file to be governed by only the CDDL or * only the GPL Version 2, indicate your decision by adding "[Contributor] * elects to include this software in this distribution under the [CDDL or GPL * Version 2] license." If you don't indicate a single choice of license, a * recipient has the option to distribute your version of this file under * either the CDDL, the GPL Version 2 or to extend the choice of license to * its licensees as provided above. However, if you add GPL Version 2 code * and therefore, elected the GPL Version 2 license, then the option applies * only if the new code is made subject to such option by the copyright * holder. * * * This file incorporates work covered by the following copyright and * permission notice: * * Copyright 2004 The Apache Software Foundation * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.catalina; import javax.servlet.http.HttpSession; import java.security.Principal; import java.util.*; /** * A <b>Session</b> is the Catalina-internal facade for an * <code>HttpSession</code> that is used to maintain state information * between requests for a particular user of a web application. * * @author Craig R. McClanahan * @version $Revision: 1.3 $ $Date: 2005/12/08 01:27:20 $ */ public interface Session { // ----------------------------------------------------- Manifest Constants /** * The SessionEvent event type when a session is created. */ public static final String SESSION_CREATED_EVENT = "createSession"; /** * The SessionEvent event type when a session is destroyed. */ public static final String SESSION_DESTROYED_EVENT = "destroySession"; // ------------------------------------------------------------- Properties /** * Return the authentication type used to authenticate our cached * Principal, if any. */ public String getAuthType(); /** * Set the authentication type used to authenticate our cached * Principal, if any. * * @param authType The new cached authentication type */ public void setAuthType(String authType); /** * Return the creation time for this session. */ public long getCreationTime(); /** * Set the creation time for this session. This method is called by the * Manager when an existing Session instance is reused. * * @param time The new creation time */ public void setCreationTime(long time); /** * Return the session identifier for this session. */ public String getId(); /** * Return the session identifier for this session. */ public String getIdInternal(); /** * Set the session identifier for this session. * * @param id The new session identifier */ public void setId(String id); /** * Return descriptive information about this Session implementation and * the corresponding version number, in the format * <code><description>/<version></code>. */ public String getInfo(); /** * Return the last time the client sent a request associated with this * session, as the number of milliseconds since midnight, January 1, 1970 * GMT. Actions that your application takes, such as getting or setting * a value associated with the session, do not affect the access time. */ public long getLastAccessedTime(); /** * Return the Manager within which this Session is valid. */ public Manager getManager(); /** * Set the Manager within which this Session is valid. * * @param manager The new Manager */ public void setManager(Manager manager); /** * Return the maximum time interval, in seconds, between client requests * before the servlet container will invalidate the session. A negative * time indicates that the session should never time out. */ public int getMaxInactiveInterval(); /** * Set the maximum time interval, in seconds, between client requests * before the servlet container will invalidate the session. A negative * time indicates that the session should never time out. * * @param interval The new maximum interval */ public void setMaxInactiveInterval(int interval); /** * Set the <code>isNew</code> flag for this session. * * @param isNew The new value for the <code>isNew</code> flag */ public void setNew(boolean isNew); /** * Return the authenticated Principal that is associated with this Session. * This provides an <code>Authenticator</code> with a means to cache a * previously authenticated Principal, and avoid potentially expensive * <code>Realm.authenticate()</code> calls on every request. If there * is no current associated Principal, return <code>null</code>. */ public Principal getPrincipal(); /** * Set the authenticated Principal that is associated with this Session. * This provides an <code>Authenticator</code> with a means to cache a * previously authenticated Principal, and avoid potentially expensive * <code>Realm.authenticate()</code> calls on every request. * * @param principal The new Principal, or <code>null</code> if none */ public void setPrincipal(Principal principal); /** * Return the <code>HttpSession</code> for which this object * is the facade. */ public HttpSession getSession(); /** * Set the <code>isValid</code> flag for this session. * * @param isValid The new value for the <code>isValid</code> flag */ public void setValid(boolean isValid); /** * Expire the expired session if necessary and * return the <code>isValid</code> flag for this session. */ public boolean isValid(); /** * Return the <code>isValid</code> flag for this session. */ public boolean getIsValid(); // --------------------------------------------------------- Public Methods /** * Update the accessed time information for this session. This method * should be called by the context when a request comes in for a particular * session, even if the application does not reference it. */ public void access(); /** * Add a session event listener to this component. */ public void addSessionListener(SessionListener listener); /** * End access to the session. */ public void endAccess(); /** * Perform the internal processing required to invalidate this session, * without triggering an exception if the session has already expired. */ public void expire(); /** * Return the object bound with the specified name to the internal notes * for this session, or <code>null</code> if no such binding exists. * * @param name Name of the note to be returned */ public Object getNote(String name); /** * Return an Iterator containing the String names of all notes bindings * that exist for this session. */ public Iterator getNoteNames(); /** * Release all object references, and initialize instance variables, in * preparation for reuse of this object. */ public void recycle(); /** * Remove any object bound to the specified name in the internal notes * for this session. * * @param name Name of the note to be removed */ public void removeNote(String name); /** * Remove a session event listener from this component. */ public void removeSessionListener(SessionListener listener); /** * Bind an object to a specified name in the internal notes associated * with this session, replacing any existing binding for this name. * * @param name Name to which the object should be bound * @param value Object to be bound to the specified name */ public void setNote(String name, Object value); // START SJSAS 6329289 /** * Checks whether this Session has expired. * * @return true if this Session has expired, false otherwise */ public boolean hasExpired(); // END SJSAS 6329289 /** * Gets the version number of this Session */ public long getVersion(); /** * Gets the attributes of this session. * * @return the attributes of this session */ public Map<String, Object> getAttributes(); /** * Return the single sign on id. * It is null if there is no SSO. */ public String getSsoId(); /** * Set the single sign on id. */ public void setSsoId(String ssoId); /** * Return the single sign on version. */ public long getSsoVersion(); /** * Set the single sign on version. */ public void setSsoVersion(long ssoVersion); /** * lock the session for background * returns true if successful; false if unsuccessful */ public boolean lockForeground(); /** * unlock the session from foreground */ public void unlockForeground(); }