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Sourcecode: libgnucrypto-java version File versions  Download package


/* GnuCallbacks.java -- Provider for callback implementations.
   Copyright (C) 2004  Free Software Foundation, Inc.

This file is a part of GNU Crypto.

GNU Crypto is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
Free Software Foundation; either version 2 of the License, or (at your
option) any later version.

GNU Crypto is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
General Public License for more details.

You should have received a copy of the GNU General Public License along
with GNU Crypto; if not, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA

Linking this library statically or dynamically with other modules is
making a combined work based on this library.  Thus, the terms and
conditions of the GNU General Public License cover the whole

As a special exception, the copyright holders of this library give
you permission to link this library with independent modules to
produce an executable, regardless of the license terms of these
independent modules, and to copy and distribute the resulting
executable under terms of your choice, provided that you also meet,
for each linked independent module, the terms and conditions of the
license of that module.  An independent module is a module which is
not derived from or based on this library.  If you modify this
library, you may extend this exception to your version of the
library, but you are not obligated to do so.  If you do not wish to
do so, delete this exception statement from your version.  */

package gnu.crypto.auth.callback;

import java.security.AccessController;
import java.security.PrivilegedAction;
import java.security.Provider;

public final class GnuCallbacks extends Provider
  public GnuCallbacks()
    super("GNU-CALLBACKS", 2.1, "Implementations of various callback handlers.");

    AccessController.doPrivileged(new PrivilegedAction()
        public Object run()
          put("CallbackHandler.Default", DefaultCallbackHandler.class.getName());
          put("CallbackHandler.Console", ConsoleCallbackHandler.class.getName());

          // We might not want/have AWT.
          put("CallbackHandler.AWT", "gnu.crypto.auth.callback.AWTCallbackHandler");
          // SWT may not be available, so we cannot link this statically.
          put("CallbackHandler.SWT", "gnu.crypto.auth.callback.SWTCallbackHandler");

          return null;

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