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 | } | ||