/* |
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* Copyright (c) 1996, 2002, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package java.rmi.server; |
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import java.rmi.*; |
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import sun.rmi.server.UnicastServerRef; |
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import sun.rmi.runtime.Log; |
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/** |
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* The <code>RemoteServer</code> class is the common superclass to server |
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* implementations and provides the framework to support a wide range |
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* of remote reference semantics. Specifically, the functions needed |
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* to create and export remote objects (i.e. to make them remotely |
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* available) are provided abstractly by <code>RemoteServer</code> and |
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* concretely by its subclass(es). |
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* |
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* @author Ann Wollrath |
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* @since JDK1.1 |
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*/ |
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public abstract class RemoteServer extends RemoteObject |
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{ |
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/* indicate compatibility with JDK 1.1.x version of class */ |
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private static final long serialVersionUID = -4100238210092549637L; |
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/** |
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* Constructs a <code>RemoteServer</code>. |
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* @since JDK1.1 |
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*/ |
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protected RemoteServer() { |
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super(); |
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} |
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/** |
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* Constructs a <code>RemoteServer</code> with the given reference type. |
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* |
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* @param ref the remote reference |
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* @since JDK1.1 |
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*/ |
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protected RemoteServer(RemoteRef ref) { |
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super(ref); |
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} |
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/** |
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* Returns a string representation of the client host for the |
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* remote method invocation being processed in the current thread. |
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* |
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* @return a string representation of the client host |
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* |
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* @throws ServerNotActiveException if no remote method invocation |
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* is being processed in the current thread |
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* |
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* @since JDK1.1 |
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*/ |
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public static String getClientHost() throws ServerNotActiveException { |
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return sun.rmi.transport.tcp.TCPTransport.getClientHost(); |
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} |
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/** |
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* Log RMI calls to the output stream <code>out</code>. If |
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* <code>out</code> is <code>null</code>, call logging is turned off. |
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* |
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* <p>If there is a security manager, its |
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* <code>checkPermission</code> method will be invoked with a |
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* <code>java.util.logging.LoggingPermission("control")</code> |
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* permission; this could result in a <code>SecurityException</code>. |
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* |
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* @param out the output stream to which RMI calls should be logged |
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* @throws SecurityException if there is a security manager and |
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* the invocation of its <code>checkPermission</code> method |
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* fails |
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* @see #getLog |
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* @since JDK1.1 |
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*/ |
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public static void setLog(java.io.OutputStream out) |
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{ |
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logNull = (out == null); |
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UnicastServerRef.callLog.setOutputStream(out); |
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} |
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/** |
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* Returns stream for the RMI call log. |
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* @return the call log |
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* @see #setLog |
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* @since JDK1.1 |
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*/ |
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public static java.io.PrintStream getLog() |
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{ |
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return (logNull ? null : UnicastServerRef.callLog.getPrintStream()); |
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} |
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// initialize log status |
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private static boolean logNull = !UnicastServerRef.logCalls; |
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} |