J. Duke | 319a3b9 | 2007-12-01 00:00:00 +0000 | [diff] [blame^] | 1 | /* |
| 2 | * Copyright 1997-2006 Sun Microsystems, Inc. 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. Sun designates this |
| 8 | * particular file as subject to the "Classpath" exception as provided |
| 9 | * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| 22 | * CA 95054 USA or visit www.sun.com if you need additional information or |
| 23 | * have any 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 javax.security.auth.x500.X500Principal; |
| 34 | |
| 35 | import sun.security.util.*; |
| 36 | |
| 37 | /** |
| 38 | * This class defines the X500Name attribute for the Certificate. |
| 39 | * |
| 40 | * @author Amit Kapoor |
| 41 | * @author Hemma Prafullchandra |
| 42 | * @see CertAttrSet |
| 43 | */ |
| 44 | public class CertificateIssuerName implements CertAttrSet<String> { |
| 45 | /** |
| 46 | * Identifier for this attribute, to be used with the |
| 47 | * get, set, delete methods of Certificate, x509 type. |
| 48 | */ |
| 49 | public static final String IDENT = "x509.info.issuer"; |
| 50 | /** |
| 51 | * Sub attributes name for this CertAttrSet. |
| 52 | */ |
| 53 | public static final String NAME = "issuer"; |
| 54 | public static final String DN_NAME = "dname"; |
| 55 | |
| 56 | // accessor name for cached X500Principal only |
| 57 | // do not allow a set() of this value, do not advertise with getElements() |
| 58 | public static final String DN_PRINCIPAL = "x500principal"; |
| 59 | |
| 60 | // Private data member |
| 61 | private X500Name dnName; |
| 62 | |
| 63 | // cached X500Principal version of the name |
| 64 | private X500Principal dnPrincipal; |
| 65 | |
| 66 | /** |
| 67 | * Default constructor for the certificate attribute. |
| 68 | * |
| 69 | * @param name the X500Name |
| 70 | */ |
| 71 | public CertificateIssuerName(X500Name name) { |
| 72 | this.dnName = name; |
| 73 | } |
| 74 | |
| 75 | /** |
| 76 | * Create the object, decoding the values from the passed DER stream. |
| 77 | * |
| 78 | * @param in the DerInputStream to read the X500Name from. |
| 79 | * @exception IOException on decoding errors. |
| 80 | */ |
| 81 | public CertificateIssuerName(DerInputStream in) throws IOException { |
| 82 | dnName = new X500Name(in); |
| 83 | } |
| 84 | |
| 85 | /** |
| 86 | * Create the object, decoding the values from the passed stream. |
| 87 | * |
| 88 | * @param in the InputStream to read the X500Name from. |
| 89 | * @exception IOException on decoding errors. |
| 90 | */ |
| 91 | public CertificateIssuerName(InputStream in) throws IOException { |
| 92 | DerValue derVal = new DerValue(in); |
| 93 | dnName = new X500Name(derVal); |
| 94 | } |
| 95 | |
| 96 | /** |
| 97 | * Return the name as user readable string. |
| 98 | */ |
| 99 | public String toString() { |
| 100 | if (dnName == null) return ""; |
| 101 | return(dnName.toString()); |
| 102 | } |
| 103 | |
| 104 | /** |
| 105 | * Encode the name in DER form to the stream. |
| 106 | * |
| 107 | * @param out the DerOutputStream to marshal the contents to. |
| 108 | * @exception IOException on errors. |
| 109 | */ |
| 110 | public void encode(OutputStream out) throws IOException { |
| 111 | DerOutputStream tmp = new DerOutputStream(); |
| 112 | dnName.encode(tmp); |
| 113 | |
| 114 | out.write(tmp.toByteArray()); |
| 115 | } |
| 116 | |
| 117 | /** |
| 118 | * Set the attribute value. |
| 119 | */ |
| 120 | public void set(String name, Object obj) throws IOException { |
| 121 | if (!(obj instanceof X500Name)) { |
| 122 | throw new IOException("Attribute must be of type X500Name."); |
| 123 | } |
| 124 | if (name.equalsIgnoreCase(DN_NAME)) { |
| 125 | this.dnName = (X500Name)obj; |
| 126 | this.dnPrincipal = null; |
| 127 | } else { |
| 128 | throw new IOException("Attribute name not recognized by " + |
| 129 | "CertAttrSet:CertificateIssuerName."); |
| 130 | } |
| 131 | } |
| 132 | |
| 133 | /** |
| 134 | * Get the attribute value. |
| 135 | */ |
| 136 | public Object get(String name) throws IOException { |
| 137 | if (name.equalsIgnoreCase(DN_NAME)) { |
| 138 | return(dnName); |
| 139 | } else if (name.equalsIgnoreCase(DN_PRINCIPAL)) { |
| 140 | if ((dnPrincipal == null) && (dnName != null)) { |
| 141 | dnPrincipal = dnName.asX500Principal(); |
| 142 | } |
| 143 | return dnPrincipal; |
| 144 | } else { |
| 145 | throw new IOException("Attribute name not recognized by " + |
| 146 | "CertAttrSet:CertificateIssuerName."); |
| 147 | } |
| 148 | } |
| 149 | |
| 150 | /** |
| 151 | * Delete the attribute value. |
| 152 | */ |
| 153 | public void delete(String name) throws IOException { |
| 154 | if (name.equalsIgnoreCase(DN_NAME)) { |
| 155 | dnName = null; |
| 156 | dnPrincipal = null; |
| 157 | } else { |
| 158 | throw new IOException("Attribute name not recognized by " + |
| 159 | "CertAttrSet:CertificateIssuerName."); |
| 160 | } |
| 161 | } |
| 162 | |
| 163 | /** |
| 164 | * Return an enumeration of names of attributes existing within this |
| 165 | * attribute. |
| 166 | */ |
| 167 | public Enumeration<String> getElements() { |
| 168 | AttributeNameEnumeration elements = new AttributeNameEnumeration(); |
| 169 | elements.addElement(DN_NAME); |
| 170 | |
| 171 | return (elements.elements()); |
| 172 | } |
| 173 | |
| 174 | /** |
| 175 | * Return the name of this attribute. |
| 176 | */ |
| 177 | public String getName() { |
| 178 | return(NAME); |
| 179 | } |
| 180 | } |