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// --- BEGIN COPYRIGHT BLOCK ---
// This program 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; version 2 of the License.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package com.netscape.cmsutil.ocsp;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

import org.mozilla.jss.asn1.ASN1Template;
import org.mozilla.jss.asn1.ASN1Value;
import org.mozilla.jss.asn1.InvalidBERException;
import org.mozilla.jss.asn1.NULL;
import org.mozilla.jss.asn1.SEQUENCE;
import org.mozilla.jss.asn1.Tag;

/**
 * RFC 2560:
 *
 * <pre>
 * CertStatus ::= CHOICE {
 *  good                [0]     IMPLICIT NULL,
 *  revoked             [1]     IMPLICIT RevokedInfo,
 *  unknown             [2]     IMPLICIT UnknownInfo }
 * </pre>
 *
 * @version $Revision$ $Date$
 */
public class GoodInfo implements CertStatus
{
        private static final Tag TAG = SEQUENCE.TAG;

	public GoodInfo()
	{
	}

	public Tag getTag()
	{
		return Tag.get(0);
	}

	public void encode(Tag t, OutputStream os) throws IOException
	{
		NULL.getInstance().encode(getTag(), os);	
	}

	public void encode(OutputStream os) throws IOException
	{
		encode(getTag(), os);
	}

        private static final Template templateInstance = new Template();

        public static Template getTemplate() {
                return templateInstance;
        }

        /**
         * A Template for decoding <code>ResponseBytes</code>.
         */
        public static class Template implements ASN1Template
        {

                private SEQUENCE.Template seqt;

                public Template()
                {
                     seqt = new SEQUENCE.Template();
                     seqt.addElement(new NULL.Template() );

                }

                public boolean tagMatch(Tag tag)
                {
                        return TAG.equals(tag);
                }

                public ASN1Value decode(InputStream istream)
                        throws InvalidBERException, IOException
                {
                        return decode(TAG, istream);
                }

                public ASN1Value decode(Tag implicitTag, InputStream istream)
                        throws InvalidBERException, IOException
                {
                     //   SEQUENCE seq = (SEQUENCE) seqt.decode(implicitTag,
                      //          istream);

			return new GoodInfo();

                }
        }
}