001 /* ServantActivatorPOA.java -- 002 Copyright (C) 2005, 2006 Free Software Foundation, Inc. 003 004 This file is part of GNU Classpath. 005 006 GNU Classpath is free software; you can redistribute it and/or modify 007 it under the terms of the GNU General Public License as published by 008 the Free Software Foundation; either version 2, or (at your option) 009 any later version. 010 011 GNU Classpath is distributed in the hope that it will be useful, but 012 WITHOUT ANY WARRANTY; without even the implied warranty of 013 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 014 General Public License for more details. 015 016 You should have received a copy of the GNU General Public License 017 along with GNU Classpath; see the file COPYING. If not, write to the 018 Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 019 02110-1301 USA. 020 021 Linking this library statically or dynamically with other modules is 022 making a combined work based on this library. Thus, the terms and 023 conditions of the GNU General Public License cover the whole 024 combination. 025 026 As a special exception, the copyright holders of this library give you 027 permission to link this library with independent modules to produce an 028 executable, regardless of the license terms of these independent 029 modules, and to copy and distribute the resulting executable under 030 terms of your choice, provided that you also meet, for each linked 031 independent module, the terms and conditions of the license of that 032 module. An independent module is a module which is not derived from 033 or based on this library. If you modify this library, you may extend 034 this exception to your version of the library, but you are not 035 obligated to do so. If you do not wish to do so, delete this 036 exception statement from your version. */ 037 038 039 package org.omg.PortableServer; 040 041 import gnu.CORBA.Poa.gnuServantObject; 042 043 import org.omg.CORBA.NO_IMPLEMENT; 044 import org.omg.CORBA.ORB; 045 import org.omg.CORBA.SystemException; 046 import org.omg.CORBA.portable.InputStream; 047 import org.omg.CORBA.portable.InvokeHandler; 048 import org.omg.CORBA.portable.OutputStream; 049 import org.omg.CORBA.portable.ResponseHandler; 050 051 /** 052 * <p>This ServantActivator stub is an optional base for the 053 * servant activators. This stub cannot serve remote invocations, as 054 * methods in {@link ServantActivatorOperations} take POA as one of parameters. 055 * Both JDK 1.5 API and OMG specifies that POA is a local object that must not 056 * be transferred to the remote invocation target. 057 * </p><p> 058 * You do not need to derive your servant activator from this stub, 059 * it is enough to implement the {@link ServantActivator} interface. 060 * But you may choose to do this if you need the functional 061 * {@link #_all_interfaces(POA, byte[])} method or want to keep default 062 * behavior during the incarnation or etherialization. 063 * </p> 064 */ 065 public abstract class ServantActivatorPOA 066 extends Servant 067 implements InvokeHandler, ServantActivatorOperations 068 { 069 /** 070 * Used to access the outer class in the nested delegator class. 071 */ 072 final ServantActivatorPOA THIS = this; 073 074 /** 075 * This class is used to support _this. 076 */ 077 class delegator 078 extends gnuServantObject 079 implements ServantActivator 080 { 081 delegator(Servant s) 082 { 083 super(s, new byte[ 0 ], null, null); 084 } 085 086 public Servant incarnate(byte[] key, POA poa) 087 throws org.omg.PortableServer.ForwardRequest 088 { 089 return THIS.incarnate(key, poa); 090 } 091 092 public void etherealize(byte[] key, POA poa, Servant servant, 093 boolean cleanup, boolean remains 094 ) 095 { 096 THIS.etherealize(key, poa, servant, cleanup, remains); 097 } 098 } 099 100 /** 101 * Our implementation will not call this method. After setting your 102 * manager to POA, it will call incarnate and etherialize directly. 103 */ 104 public OutputStream _invoke(String method, InputStream input, 105 ResponseHandler handler 106 ) 107 throws SystemException 108 { 109 throw new NO_IMPLEMENT(); 110 } 111 112 /** 113 * Returns an array of interfaces, supported by the servant activator. 114 */ 115 public String[] _all_interfaces(POA poa, byte[] Object_Id) 116 { 117 return new _ServantActivatorStub()._ids(); 118 } 119 120 /** 121 * Return the complete instance of the servant activator, based on 122 * the current class (ServantActivatorPOA or derived). 123 */ 124 public ServantActivator _this() 125 { 126 return new delegator(this); 127 } 128 129 /** 130 * Return the complete instance of the servant activator, based on 131 * the current class (ServantActivatorPOA or derived). 132 */ 133 public ServantActivator _this(ORB orb) 134 { 135 return new delegator(this); 136 } 137 }