gcc/libjava/java/lang/SecurityManager.java

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1999-04-07 16:42:40 +02:00
/* Copyright (C) 1998, 1999 Cygnus Solutions
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
// SecurityManager
package java.lang;
/**
* @author Anthony Green <green@cygnus.com>
* @date October 5, 1998.
*/
/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
*/
import java.io.*;
import java.net.*;
public abstract class SecurityManager
{
protected boolean inCheck = false;
public void checkAccept (String host, int port)
{
throw new SecurityException();
}
public void checkAccess (Thread thrd)
{
throw new SecurityException();
}
public void checkAccess (ThreadGroup thrdGroup)
{
throw new SecurityException();
}
public void checkAwtEventQueueAccess ()
{
throw new SecurityException();
}
public void checkConnect (String host, int prt)
{
throw new SecurityException();
}
public void checkConnect (String host, int prt, Object ctx)
{
throw new SecurityException();
}
public void checkCreateClassLoader ()
{
throw new SecurityException();
}
public void checkDelete (String fileName)
{
throw new SecurityException();
}
public void checkExec (String prog)
{
throw new SecurityException();
}
public void checkExit (int stat)
{
throw new SecurityException();
}
public void checkLink (String lib)
{
throw new SecurityException();
}
public void checkListen (int lport)
{
throw new SecurityException();
}
public void checkMemberAccess (Class cl, int mtype)
{
throw new SecurityException();
}
public void checkMulticast (InetAddress maddr)
{
throw new SecurityException();
}
public void checkMulticast (InetAddress maddr, byte ttl)
{
throw new SecurityException();
}
public void checkPackageAccess (String pkg)
{
throw new SecurityException();
}
public void checkPackageDefinition (String pkg)
{
throw new SecurityException();
}
public void checkPrintJobAccess ()
{
throw new SecurityException();
}
public void checkPropertiesAccess ()
{
throw new SecurityException();
}
public void checkPropertyAccess (String prop)
{
throw new SecurityException();
}
public void checkPropertyAccess (String prop, String defval)
{
throw new SecurityException();
}
public void checkRead (FileDescriptor fd)
{
throw new SecurityException();
}
public void checkRead (String fileName)
{
throw new SecurityException();
}
public void checkRead (String fileName, Object ctx)
{
throw new SecurityException();
}
public void checkSecurityAccess (String action)
{
throw new SecurityException();
}
public void checkSetFactory ()
{
throw new SecurityException();
}
public void checkSystemClipboardAccess ()
{
throw new SecurityException();
}
public boolean checkTopLevelWindow (Object window)
{
throw new SecurityException();
}
public void checkWrite (FileDescriptor fd)
{
throw new SecurityException();
}
public void checkWrite (String fileName)
{
throw new SecurityException();
}
// Note: this method is deprecated in JDK 1.2
protected /* native */ int classDepth (String className)
{
Class[] classStack = getClassContext ();
for (int i = 0; i < classStack.length; i++)
if (classStack[i].getName().compareTo(className) == 0)
return i;
return -1;
}
// Note: this method is deprecated in JDK 1.2
protected /* native */ int classLoaderDepth ()
{
Class[] classStack = getClassContext ();
for (int i = 0; i < classStack.length; i++)
if (classStack[i].getClassLoader() != null)
return i;
return -1;
}
protected /* native */ ClassLoader currentClassLoader ()
{
Class[] classStack = getClassContext ();
for (int i = 0; i < classStack.length; i++)
{
ClassLoader loader = classStack[i].getClassLoader();
if (loader != null)
return loader;
}
return null;
}
protected /* native */ Class currentLoadedClass ()
{
Class[] classStack = getClassContext ();
for (int i = 0; i < classStack.length; i++)
{
ClassLoader loader = classStack[i].getClassLoader();
if (loader != null)
return classStack[i];
}
return null;
}
protected /* native */ Class[] getClassContext ()
{
return new Class[0];
}
// Note: this method is deprecated in JDK 1.2
public boolean getInCheck ()
{
return inCheck;
}
public Object getSecurityContext ()
{
// FIXME: This has yet to be implemented.
return new String("");
}
public ThreadGroup getThreadGroup ()
{
return Thread.currentThread().getThreadGroup();
}
protected boolean inClass (String className)
{
return (classDepth (className) != -1);
}
protected boolean inClassLoader ()
{
return (classLoaderDepth () != -1);
}
protected SecurityManager ()
{
if (System.getSecurityManager () != null)
throw new SecurityException ();
}
}