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      1 /*
      2  * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
      3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
      4  *
      5  * This code is free software; you can redistribute it and/or modify it
      6  * under the terms of the GNU General Public License version 2 only, as
      7  * published by the Free Software Foundation.  Oracle designates this
      8  * particular file as subject to the "Classpath" exception as provided
      9  * by Oracle in the LICENSE file that accompanied this code.
     10  *
     11  * This code is distributed in the hope that it will be useful, but WITHOUT
     12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
     13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
     14  * version 2 for more details (a copy is included in the LICENSE file that
     15  * accompanied this code).
     16  *
     17  * You should have received a copy of the GNU General Public License version
     18  * 2 along with this work; if not, write to the Free Software Foundation,
     19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
     20  *
     21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
     22  * or visit www.oracle.com if you need additional information or have any
     23  * questions.
     24  */
     25 
     26 package sun.security.x509;
     27 
     28 import java.io.IOException;
     29 import sun.security.util.*;
     30 
     31 
     32 /**
     33  * Represent the CertificatePolicyId ASN.1 object.
     34  *
     35  * @author Amit Kapoor
     36  * @author Hemma Prafullchandra
     37  */
     38 public class CertificatePolicyId {
     39     private ObjectIdentifier id;
     40 
     41     /**
     42      * Create a CertificatePolicyId with the ObjectIdentifier.
     43      *
     44      * @param id the ObjectIdentifier for the policy id.
     45      */
     46     public CertificatePolicyId(ObjectIdentifier id) {
     47         this.id = id;
     48     }
     49 
     50     /**
     51      * Create the object from its Der encoded value.
     52      *
     53      * @param val the DER encoded value for the same.
     54      */
     55     public CertificatePolicyId(DerValue val) throws IOException {
     56         this.id = val.getOID();
     57     }
     58 
     59     /**
     60      * Return the value of the CertificatePolicyId as an ObjectIdentifier.
     61      */
     62     public ObjectIdentifier getIdentifier() {
     63         return (id);
     64     }
     65 
     66     /**
     67      * Returns a printable representation of the CertificatePolicyId.
     68      */
     69     public String toString() {
     70         String s = "CertificatePolicyId: ["
     71                  + id.toString()
     72                  + "]\n";
     73 
     74         return (s);
     75     }
     76 
     77     /**
     78      * Write the CertificatePolicyId to the DerOutputStream.
     79      *
     80      * @param out the DerOutputStream to write the object to.
     81      * @exception IOException on errors.
     82      */
     83     public void encode(DerOutputStream out) throws IOException {
     84         out.putOID(id);
     85     }
     86 
     87     /**
     88      * Compares this CertificatePolicyId with another, for
     89      * equality. Uses ObjectIdentifier.equals() as test for
     90      * equality.
     91      *
     92      * @return true iff the ids are identical.
     93      */
     94     public boolean equals(Object other) {
     95         if (other instanceof CertificatePolicyId)
     96             return id.equals((Object)
     97                     ((CertificatePolicyId) other).getIdentifier());
     98         else
     99             return false;
    100     }
    101 
    102     /**
    103      * Returns a hash code value for this object.
    104      *
    105      * @return a hash code value
    106      */
    107     public int hashCode() {
    108       return id.hashCode();
    109     }
    110 }
    111