Showing the changes to java/pkg/sun/security/x509/CertificateAlgorithmId.java (1 of 18352 files). Show all
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| 1 | +/* | |
| 2 | + * Copyright (c) 1997, 2006, 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 AlgorithmId for the Certificate. | |
| 37 | + * | |
| 38 | + * @author Amit Kapoor | |
| 39 | + * @author Hemma Prafullchandra | |
| 40 | + */ | |
| 41 | +public class CertificateAlgorithmId implements CertAttrSet<String> { | |
| 42 | + private AlgorithmId algId; | |
| 43 | + | |
| 44 | + /** | |
| 45 | + * Identifier for this attribute, to be used with the | |
| 46 | + * get, set, delete methods of Certificate, x509 type. | |
| 47 | + */ | |
| 48 | + public static final String IDENT = "x509.info.algorithmID"; | |
| 49 | + /** | |
| 50 | + * Sub attributes name for this CertAttrSet. | |
| 51 | + */ | |
| 52 | + public static final String NAME = "algorithmID"; | |
| 53 | + | |
| 54 | + /** | |
| 55 | + * Identifier to be used with get, set, and delete methods. When | |
| 56 | + * using this identifier the associated object being passed in or | |
| 57 | + * returned is an instance of AlgorithmId. | |
| 58 | + * @see sun.security.x509.AlgorithmId | |
| 59 | + */ | |
| 60 | + public static final String ALGORITHM = "algorithm"; | |
| 61 | + | |
| 62 | + /** | |
| 63 | + * Default constructor for the certificate attribute. | |
| 64 | + * | |
| 65 | + * @param algId the Algorithm identifier | |
| 66 | + */ | |
| 67 | + public CertificateAlgorithmId(AlgorithmId algId) { | |
| 68 | + this.algId = algId; | |
| 69 | + } | |
| 70 | + | |
| 71 | + /** | |
| 72 | + * Create the object, decoding the values from the passed DER stream. | |
| 73 | + * | |
| 74 | + * @param in the DerInputStream to read the serial number from. | |
| 75 | + * @exception IOException on decoding errors. | |
| 76 | + */ | |
| 77 | + public CertificateAlgorithmId(DerInputStream in) throws IOException { | |
| 78 | + DerValue val = in.getDerValue(); | |
| 79 | + algId = AlgorithmId.parse(val); | |
| 80 | + } | |
| 81 | + | |
| 82 | + /** | |
| 83 | + * Create the object, decoding the values from the passed stream. | |
| 84 | + * | |
| 85 | + * @param in the InputStream to read the serial number from. | |
| 86 | + * @exception IOException on decoding errors. | |
| 87 | + */ | |
| 88 | + public CertificateAlgorithmId(InputStream in) throws IOException { | |
| 89 | + DerValue val = new DerValue(in); | |
| 90 | + algId = AlgorithmId.parse(val); | |
| 91 | + } | |
| 92 | + | |
| 93 | + /** | |
| 94 | + * Return the algorithm identifier as user readable string. | |
| 95 | + */ | |
| 96 | + public String toString() { | |
| 97 | + if (algId == null) return ""; | |
| 98 | + return (algId.toString() + | |
| 99 | + ", OID = " + (algId.getOID()).toString() + "\n"); | |
| 100 | + } | |
| 101 | + | |
| 102 | + /** | |
| 103 | + * Encode the algorithm identifier in DER form to the stream. | |
| 104 | + * | |
| 105 | + * @param out the DerOutputStream to marshal the contents to. | |
| 106 | + * @exception IOException on errors. | |
| 107 | + */ | |
| 108 | + public void encode(OutputStream out) throws IOException { | |
| 109 | + DerOutputStream tmp = new DerOutputStream(); | |
| 110 | + algId.encode(tmp); | |
| 111 | + | |
| 112 | + out.write(tmp.toByteArray()); | |
| 113 | + } | |
| 114 | + | |
| 115 | + /** | |
| 116 | + * Set the attribute value. | |
| 117 | + */ | |
| 118 | + public void set(String name, Object obj) throws IOException { | |
| 119 | + if (!(obj instanceof AlgorithmId)) { | |
| 120 | + throw new IOException("Attribute must be of type AlgorithmId."); | |
| 121 | + } | |
| 122 | + if (name.equalsIgnoreCase(ALGORITHM)) { | |
| 123 | + algId = (AlgorithmId)obj; | |
| 124 | + } else { | |
| 125 | + throw new IOException("Attribute name not recognized by " + | |
| 126 | + "CertAttrSet:CertificateAlgorithmId."); | |
| 127 | + } | |
| 128 | + } | |
| 129 | + | |
| 130 | + /** | |
| 131 | + * Get the attribute value. | |
| 132 | + */ | |
| 133 | + public Object get(String name) throws IOException { | |
| 134 | + if (name.equalsIgnoreCase(ALGORITHM)) { | |
| 135 | + return (algId); | |
| 136 | + } else { | |
| 137 | + throw new IOException("Attribute name not recognized by " + | |
| 138 | + "CertAttrSet:CertificateAlgorithmId."); | |
| 139 | + } | |
| 140 | + } | |
| 141 | + | |
| 142 | + /** | |
| 143 | + * Delete the attribute value. | |
| 144 | + */ | |
| 145 | + public void delete(String name) throws IOException { | |
| 146 | + if (name.equalsIgnoreCase(ALGORITHM)) { | |
| 147 | + algId = null; | |
| 148 | + } else { | |
| 149 | + throw new IOException("Attribute name not recognized by " + | |
| 150 | + "CertAttrSet:CertificateAlgorithmId."); | |
| 151 | + } | |
| 152 | + } | |
| 153 | + | |
| 154 | + /** | |
| 155 | + * Return an enumeration of names of attributes existing within this | |
| 156 | + * attribute. | |
| 157 | + */ | |
| 158 | + public Enumeration<String> getElements() { | |
| 159 | + AttributeNameEnumeration elements = new AttributeNameEnumeration(); | |
| 160 | + elements.addElement(ALGORITHM); | |
| 161 | + return (elements.elements()); | |
| 162 | + } | |
| 163 | + | |
| 164 | + /** | |
| 165 | + * Return the name of this attribute. | |
| 166 | + */ | |
| 167 | + public String getName() { | |
| 168 | + return (NAME); | |
| 169 | + } | |
| 170 | +} | |