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/* * Copyright (c) 1997, 2008, Oracle and/or its affiliates. All rights reserved. * 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 * published by the Free Software Foundation.  Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * 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. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package sun.security.x509; import java.io.IOException;import java.util.Vector;import java.util.List;import java.util.Collections; import sun.security.util.*; /** * This class defines the certificate policy set ASN.1 object. * * @author Amit Kapoor * @author Hemma Prafullchandra */public class CertificatePolicySet {     private final Vector<CertificatePolicyId> ids;     /**     * The default constructor for this class.     *     * @param ids the sequence of CertificatePolicyId's.     */    public CertificatePolicySet(Vector<CertificatePolicyId> ids) {        this.ids = ids;    }     /**     * Create the object from the DerValue.     *     * @param in the passed DerInputStream.     * @exception IOException on decoding errors.     */    public CertificatePolicySet(DerInputStream in) throws IOException {        ids = new Vector<CertificatePolicyId>();        DerValue[] seq = in.getSequence(5);         for (int i = 0; i < seq.length; i++) {            CertificatePolicyId id = new CertificatePolicyId(seq[i]);            ids.addElement(id);        }    }     /**     * Return printable form of the object.     */    public String toString() {        String s = "CertificatePolicySet:[\n"                 + ids.toString()                 + "]\n";         return (s);    }     /**     * Encode the policy set to the output stream.     *     * @param out the DerOutputStream to encode the data to.     */    public void encode(DerOutputStream out) throws IOException {        DerOutputStream tmp = new DerOutputStream();         for (int i = 0; i < ids.size(); i++) {            ids.elementAt(i).encode(tmp);        }        out.write(DerValue.tag_Sequence,tmp);    }     /**     * Return the sequence of CertificatePolicyIds.     *     * @return A List containing the CertificatePolicyId objects.     *     */    public List<CertificatePolicyId> getCertPolicyIds() {        return Collections.unmodifiableList(ids);    }}