001 /* RemoteServer.java -- 002 Copyright (c) 1996, 1997, 1998, 1999, 2004, 2006 003 Free Software Foundation, Inc. 004 005 This file is part of GNU Classpath. 006 007 GNU Classpath is free software; you can redistribute it and/or modify 008 it under the terms of the GNU General Public License as published by 009 the Free Software Foundation; either version 2, or (at your option) 010 any later version. 011 012 GNU Classpath is distributed in the hope that it will be useful, but 013 WITHOUT ANY WARRANTY; without even the implied warranty of 014 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 015 General Public License for more details. 016 017 You should have received a copy of the GNU General Public License 018 along with GNU Classpath; see the file COPYING. If not, write to the 019 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 020 02110-1301 USA. 021 022 Linking this library statically or dynamically with other modules is 023 making a combined work based on this library. Thus, the terms and 024 conditions of the GNU General Public License cover the whole 025 combination. 026 027 As a special exception, the copyright holders of this library give you 028 permission to link this library with independent modules to produce an 029 executable, regardless of the license terms of these independent 030 modules, and to copy and distribute the resulting executable under 031 terms of your choice, provided that you also meet, for each linked 032 independent module, the terms and conditions of the license of that 033 module. An independent module is a module which is not derived from 034 or based on this library. If you modify this library, you may extend 035 this exception to your version of the library, but you are not 036 obligated to do so. If you do not wish to do so, delete this 037 exception statement from your version. */ 038 039 040 package java.rmi.server; 041 042 import gnu.java.rmi.server.RMIIncomingThread; 043 044 import java.io.OutputStream; 045 import java.io.PrintStream; 046 047 /** 048 * A common superclass for the server implementations. 049 */ 050 public abstract class RemoteServer 051 extends RemoteObject 052 { 053 private static final long serialVersionUID = - 4100238210092549637L; 054 055 /** 056 * Does nothing, delegates to super(). 057 */ 058 protected RemoteServer() 059 { 060 super(); 061 } 062 063 /** 064 * Does nothing, delegates to super(ref). 065 */ 066 protected RemoteServer(RemoteRef ref) 067 { 068 super(ref); 069 } 070 071 /** 072 * Get the host of the calling client. The current thread must be an instance 073 * of the {@link RMIIncomingThread}. 074 * 075 * @return the client host address 076 * 077 * @throws ServerNotActiveException if the current thread is not an instance 078 * of the RMIIncomingThread. 079 */ 080 public static String getClientHost() throws ServerNotActiveException 081 { 082 Thread currThread = Thread.currentThread(); 083 if (currThread instanceof RMIIncomingThread) 084 { 085 RMIIncomingThread incomingThread = (RMIIncomingThread) currThread; 086 return incomingThread.getClientHost(); 087 } 088 else 089 { 090 throw new ServerNotActiveException( 091 "Unknown client host - current thread not instance of 'RMIIncomingThread'"); 092 } 093 } 094 095 /** 096 * Set the stream for logging RMI calls. 097 * 098 * @param out the stream to set or null to turn the logging off. 099 */ 100 public static void setLog(OutputStream out) 101 { 102 throw new Error("Not implemented"); 103 } 104 105 /** 106 * Get the stream for logging RMI calls. 107 * 108 * @return the associated stream. 109 */ 110 public static PrintStream getLog() 111 { 112 throw new Error("Not implemented"); 113 } 114 115 }