1 /*
   2  * Copyright (c) 2004, 2013, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 package com.sun.corba.se.impl.presentation.rmi ;
  27 
  28 import java.io.SerializablePermission;
  29 import java.lang.reflect.InvocationHandler ;
  30 import java.lang.reflect.Proxy ;
  31 
  32 import com.sun.corba.se.spi.presentation.rmi.PresentationManager ;
  33 import com.sun.corba.se.spi.presentation.rmi.DynamicStub ;
  34 
  35 import com.sun.corba.se.spi.orbutil.proxy.InvocationHandlerFactory ;
  36 import com.sun.corba.se.spi.orbutil.proxy.LinkedInvocationHandler ;
  37 
  38 public abstract class StubFactoryDynamicBase extends StubFactoryBase
  39 {
  40     protected final ClassLoader loader ;
  41 
  42     private static Void checkPermission() {
  43         SecurityManager sm = System.getSecurityManager();
  44         if (sm != null) {
  45             sm.checkPermission(new SerializablePermission(
  46                     "enableSubclassImplementation"));
  47         }
  48         return null;
  49     }
  50 
  51     private StubFactoryDynamicBase(Void unused,
  52             PresentationManager.ClassData classData, ClassLoader loader) {
  53         super(classData);
  54         // this.loader must not be null, or the newProxyInstance call
  55         // will fail.
  56         if (loader == null) {
  57             ClassLoader cl = Thread.currentThread().getContextClassLoader();
  58             if (cl == null)
  59                 cl = ClassLoader.getSystemClassLoader();
  60             this.loader = cl ;
  61         } else {
  62             this.loader = loader ;
  63         }
  64     }
  65 
  66     public StubFactoryDynamicBase( PresentationManager.ClassData classData,
  67         ClassLoader loader )
  68     {
  69         this (checkPermission(), classData, loader);
  70     }
  71 
  72     public abstract org.omg.CORBA.Object makeStub() ;
  73 }