--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/javax/net/ssl/SSLSessionContext.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,141 @@
+/*
+ * Copyright 1997-2005 Sun Microsystems, Inc.  All Rights Reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun in the LICENSE file that accompanied this code.
+ *
+ * This code 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
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+
+package javax.net.ssl;
+
+import java.util.Enumeration;
+
+
+/**
+ * A <code>SSLSessionContext</code> represents a set of
+ * <code>SSLSession</code>s associated with a single entity. For example,
+ * it could be associated with a server or client who participates in many
+ * sessions concurrently.
+ * <p>
+ * Not all environments will contain session contexts.
+ * <p>
+ * There are <code>SSLSessionContext</code> parameters that affect how
+ * sessions are stored:
+ * <UL>
+ *      <LI>Sessions can be set to expire after a specified
+ *      time limit.
+ *      <LI>The number of sessions that can be stored in context
+ *      can be limited.
+ * </UL>
+ * A session can be retrieved based on its session id, and all session id's
+ * in a <code>SSLSessionContext</code> can be listed.
+ *
+ * @see SSLSession
+ *
+ * @since 1.4
+ * @author Nathan Abramson
+ * @author David Brownell
+ */
+public interface SSLSessionContext {
+
+    /**
+     * Returns the <code>SSLSession</code> bound to the specified session id.
+     *
+     * @param sessionId the Session identifier
+     * @return the <code>SSLSession</code> or null if
+     * the specified session id does not refer to a valid SSLSession.
+     *
+     * @throws NullPointerException if <code>sessionId</code> is null.
+     */
+    public SSLSession getSession(byte[] sessionId);
+
+    /**
+     * Returns an Enumeration of all session id's grouped under this
+     * <code>SSLSessionContext</code>.
+     *
+     * @return an enumeration of all the Session id's
+     */
+    public Enumeration<byte[]> getIds();
+
+    /**
+     * Sets the timeout limit for <code>SSLSession</code> objects grouped
+     * under this <code>SSLSessionContext</code>.
+     * <p>
+     * If the timeout limit is set to 't' seconds, a session exceeds the
+     * timeout limit 't' seconds after its creation time.
+     * When the timeout limit is exceeded for a session, the
+     * <code>SSLSession</code> object is invalidated and future connections
+     * cannot resume or rejoin the session.
+     * A check for sessions exceeding the timeout is made immediately whenever
+     * the timeout limit is changed for this <code>SSLSessionContext</code>.
+     *
+     * @param seconds the new session timeout limit in seconds; zero means
+     *          there is no limit.
+     *
+     * @exception IllegalArgumentException if the timeout specified is < 0.
+     * @see #getSessionTimeout
+     */
+    public void setSessionTimeout(int seconds)
+                 throws IllegalArgumentException;
+
+    /**
+     * Returns the timeout limit of <code>SSLSession</code> objects grouped
+     * under this <code>SSLSessionContext</code>.
+     * <p>
+     * If the timeout limit is set to 't' seconds, a session exceeds the
+     * timeout limit 't' seconds after its creation time.
+     * When the timeout limit is exceeded for a session, the
+     * <code>SSLSession</code> object is invalidated and future connections
+     * cannot resume or rejoin the session.
+     * A check for sessions exceeding the timeout limit is made immediately
+     * whenever the timeout limit is changed for this
+     * <code>SSLSessionContext</code>.
+     *
+     * @return the session timeout limit in seconds; zero means there is no
+     * limit.
+     * @see #setSessionTimeout
+     */
+    public int getSessionTimeout();
+
+    /**
+     * Sets the size of the cache used for storing
+     * <code>SSLSession</code> objects grouped under this
+     * <code>SSLSessionContext</code>.
+     *
+     * @param size the new session cache size limit; zero means there is no
+     * limit.
+     * @exception IllegalArgumentException if the specified size is < 0.
+     * @see #getSessionCacheSize
+     */
+    public void setSessionCacheSize(int size)
+                 throws IllegalArgumentException;
+
+    /**
+     * Returns the size of the cache used for storing
+     * <code>SSLSession</code> objects grouped under this
+     * <code>SSLSessionContext</code>.
+     *
+     * @return size of the session cache; zero means there is no size limit.
+     * @see #setSessionCacheSize
+     */
+    public int getSessionCacheSize();
+
+}