CertificatePolicyMap.java

/*
 * @(#)CertificatePolicyMap.java	1.16 06/10/10
 *
 * Copyright  1990-2008 Sun Microsystems, Inc. All Rights Reserved.  
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER  
 *   
 * This program is free software; you can redistribute it and/or  
 * modify it under the terms of the GNU General Public License version  
 * 2 only, as published by the Free Software Foundation.   
 *   
 * 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 version 2 for more details (a copy is  
 * included at /legal/license.txt).   
 *   
 * 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   
 *   
 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa  
 * Clara, CA 95054 or visit www.sun.com if you need additional  
 * information or have any questions. 
 *
 */

package sun.security.x509;

import java.io.IOException;

import sun.security.util.*;

/**
 * Represent the CertificatePolicyMap ASN.1 object.
 *
 * @author Amit Kapoor
 * @author Hemma Prafullchandra
 * @version 1.9
 */
public class CertificatePolicyMap {
    private CertificatePolicyId issuerDomain;
    private CertificatePolicyId subjectDomain;

    /**
     * Create a CertificatePolicyMap with the passed CertificatePolicyId's.
     *
     * @param issuer the CertificatePolicyId for the issuer CA.
     * @param subject the CertificatePolicyId for the subject CA.
     */
    public CertificatePolicyMap(CertificatePolicyId issuer,
                                CertificatePolicyId subject) {
        this.issuerDomain = issuer;
        this.subjectDomain = subject;
    }

    /**
     * Create the CertificatePolicyMap from the DER encoded value.
     *
     * @param val the DER encoded value of the same.
     */
    public CertificatePolicyMap(DerValue val) throws IOException {
        if (val.tag != DerValue.tag_Sequence) {
            throw new IOException("Invalid encoding for CertificatePolicyMap");
        }
        issuerDomain = new CertificatePolicyId(val.data.getDerValue());
        subjectDomain = new CertificatePolicyId(val.data.getDerValue());
    }

    /**
     * Return the issuer CA part of the policy map.
     */
    public CertificatePolicyId getIssuerIdentifier() {
        return (issuerDomain);
    }

    /**
     * Return the subject CA part of the policy map.
     */
    public CertificatePolicyId getSubjectIdentifier() {
        return (subjectDomain);
    }

    /**
     * Returns a printable representation of the CertificatePolicyId.
     */
    public String toString() {
        String s = "CertificatePolicyMap: [\n"
                 + "IssuerDomain:" + issuerDomain.toString()
                 + "SubjectDomain:" + subjectDomain.toString()
                 + "]\n";

        return (s);
    }

    /**
     * Write the CertificatePolicyMap to the DerOutputStream.
     *
     * @param out the DerOutputStream to write the object to.
     * @exception IOException on errors.
     */
    public void encode(DerOutputStream out) throws IOException {
        DerOutputStream tmp = new DerOutputStream();

        issuerDomain.encode(tmp);
        subjectDomain.encode(tmp);
        out.write(DerValue.tag_Sequence,tmp);
    }
}