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 java.io.InputStream;

    30 import java.io.OutputStream;

    31 import java.util.Enumeration;

    32 

    33 import sun.security.util.*;

    34 

    35 /**

    36  * This class defines the subject/issuer unique identity attribute

    37  * for the Certificate.

    38  *

    39  * @author Amit Kapoor

    40  * @author Hemma Prafullchandra

    41  * @see CertAttrSet

    42  */

    43 public class CertificateIssuerUniqueIdentity implements CertAttrSet<String> {

    44     private UniqueIdentity      id;

    45 

    46     /**

    47      * Identifier for this attribute, to be used with the

    48      * get, set, delete methods of Certificate, x509 type.

    49      */

    50     public static final String IDENT = "x509.info.issuerID";

    51     /**

    52      * Sub attributes name for this CertAttrSet.

    53      */

    54     public static final String NAME = "issuerID";

    55     public static final String ID = "id";

    56 

    57     /**

    58      * Default constructor for the certificate attribute.

    59      *

    60      * @param key the UniqueIdentity

    61      */

    62     public CertificateIssuerUniqueIdentity(UniqueIdentity id) {

    63         this.id = id;

    64     }

    65 

    66     /**

    67      * Create the object, decoding the values from the passed DER stream.

    68      *

    69      * @param in the DerInputStream to read the UniqueIdentity from.

    70      * @exception IOException on decoding errors.

    71      */

    72     public CertificateIssuerUniqueIdentity(DerInputStream in)

    73     throws IOException {

    74         id = new UniqueIdentity(in);

    75     }

    76 

    77     /**

    78      * Create the object, decoding the values from the passed stream.

    79      *

    80      * @param in the InputStream to read the UniqueIdentity from.

    81      * @exception IOException on decoding errors.

    82      */

    83     public CertificateIssuerUniqueIdentity(InputStream in)

    84     throws IOException {

    85         DerValue val = new DerValue(in);

    86         id = new UniqueIdentity(val);

    87     }

    88 

    89     /**

    90      * Create the object, decoding the values from the passed DER value.

    91      *

    92      * @param in the DerValue to read the UniqueIdentity from.

    93      * @exception IOException on decoding errors.

    94      */

    95     public CertificateIssuerUniqueIdentity(DerValue val)

    96     throws IOException {

    97         id = new UniqueIdentity(val);

    98     }

    99 

   100     /**

   101      * Return the identity as user readable string.

   102      */

   103     public String toString() {

   104         if (id == null) return "";

   105         return (id.toString());

   106     }

   107 

   108     /**

   109      * Encode the identity in DER form to the stream.

   110      *

   111      * @param out the DerOutputStream to marshal the contents to.

   112      * @exception IOException on errors.

   113      */

   114     public void encode(OutputStream out) throws IOException {

   115         DerOutputStream tmp = new DerOutputStream();

   116         id.encode(tmp,DerValue.createTag(DerValue.TAG_CONTEXT,false,(byte)1));

   117 

   118         out.write(tmp.toByteArray());

   119     }

   120 

   121     /**

   122      * Set the attribute value.

   123      */

   124     public void set(String name, Object obj) throws IOException {

   125         if (!(obj instanceof UniqueIdentity)) {

   126             throw new IOException("Attribute must be of type UniqueIdentity.");

   127         }

   128         if (name.equalsIgnoreCase(ID)) {

   129             id = (UniqueIdentity)obj;

   130         } else {

   131             throw new IOException("Attribute name not recognized by " +

   132                       "CertAttrSet: CertificateIssuerUniqueIdentity.");

   133         }

   134     }

   135 

   136     /**

   137      * Get the attribute value.

   138      */

   139     public UniqueIdentity get(String name) throws IOException {

   140         if (name.equalsIgnoreCase(ID)) {

   141             return (id);

   142         } else {

   143             throw new IOException("Attribute name not recognized by " +

   144                       "CertAttrSet: CertificateIssuerUniqueIdentity.");

   145         }

   146     }

   147 

   148     /**

   149      * Delete the attribute value.

   150      */

   151     public void delete(String name) throws IOException {

   152         if (name.equalsIgnoreCase(ID)) {

   153             id = null;

   154         } else {

   155             throw new IOException("Attribute name not recognized by " +

   156                       "CertAttrSet: CertificateIssuerUniqueIdentity.");

   157         }

   158     }

   159 

   160     /**

   161      * Return an enumeration of names of attributes existing within this

   162      * attribute.

   163      */

   164     public Enumeration<String> getElements() {

   165         AttributeNameEnumeration elements = new AttributeNameEnumeration();

   166         elements.addElement(ID);

   167 

   168         return (elements.elements());

   169     }

   170 

   171     /**

   172      * Return the name of this attribute.

   173      */

   174     public String getName() {

   175         return (NAME);

   176     }

   177 }