StubFactoryDynamicBase.java revision 608:7e06bf1dcb09
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
26package com.sun.corba.se.impl.presentation.rmi ;
27
28import java.io.SerializablePermission;
29import java.lang.reflect.InvocationHandler ;
30import java.lang.reflect.Proxy ;
31
32import com.sun.corba.se.spi.presentation.rmi.PresentationManager ;
33import com.sun.corba.se.spi.presentation.rmi.DynamicStub ;
34
35import com.sun.corba.se.spi.orbutil.proxy.InvocationHandlerFactory ;
36import com.sun.corba.se.spi.orbutil.proxy.LinkedInvocationHandler ;
37
38public 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}
74