/*

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * particular file as subject to the "Classpath" exception as provided

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 */

package sun.security.smartcardio;

import java.security.*;

import javax.smartcardio.*;

/**

 * Provider object for PC/SC.

 *

 * @since   1.6

 * @author  Andreas Sterbenz

 */

public final class SunPCSC extends Provider {

    private static final long serialVersionUID = 6168388284028876579L;

    public SunPCSC() {

        super("SunPCSC", 1.7d, "Sun PC/SC provider");

        AccessController.doPrivileged(new PrivilegedAction<Void>() {

            public Void run() {

                put("TerminalFactory.PC/SC", "sun.security.smartcardio.SunPCSC$Factory");

                return null;

            }

        });

    }

    public static final class Factory extends TerminalFactorySpi {

        public Factory(Object obj) throws PCSCException {

            if (obj != null) {

                throw new IllegalArgumentException

                    ("SunPCSC factory does not use parameters");

            }

            // make sure PCSC is available and that we can obtain a context

            PCSC.checkAvailable();

            PCSCTerminals.initContext();

        }

        /**

         * Returns the available readers.

         * This must be a new object for each call.

         */

        protected CardTerminals engineTerminals() {

            return new PCSCTerminals();

        }

    }

}