Initial revision

From-SVN: r26263

libjava/java/lang/SecurityManager.java

@@ -0,0 +1,263 @@
+/* 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 ();
+    }
+}