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/*
 * Copyright (c) 2009-2010 David Grant
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.jscep.operations;

import java.io.IOException;
import java.math.BigInteger;

import javax.security.auth.x500.X500Principal;

import org.bouncycastle.asn1.cms.IssuerAndSerialNumber;
import org.bouncycastle.asn1.x509.X509Name;
import org.bouncycastle.jce.X509Principal;
import org.jscep.transaction.MessageType;


/**
 * This class represents the SCEP GetCRL pkiMessage type.
 * 
 * @author David Grant
 */
public class GetCrl implements PkiOperation {
    private final X500Principal issuer;
    private final BigInteger serial;

    public GetCrl(X500Principal issuer, BigInteger serial) {
        this.issuer = issuer;
        this.serial = serial;
    }

    /**
     * {@inheritDoc}
     */
    public MessageType getMessageType() {
        return MessageType.GetCRL;
    }

    /**
     * Returns a DER-encoded IssuerAndSerialNumber
	 *
     * @return the IssuerAndSerialNumber.
     * @see SCEP Internet-Draft Reference
     */
	public IssuerAndSerialNumber getMessage() throws IOException {
        X509Name issuerName = new X509Principal(issuer.getEncoded());

        return new IssuerAndSerialNumber(issuerName, serial);
    }
	
	/**
	 * {@inheritDoc}
	 */
	@Override
	public String toString() {
		return getMessageType().toString();
	}
}