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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.pkcs; | |
| 27 | + | |
| 28 | +import java.io.IOException; | |
| 29 | +import java.io.OutputStream; | |
| 30 | +import java.security.cert.CertificateException; | |
| 31 | +import java.util.Collection; | |
| 32 | +import java.util.Collections; | |
| 33 | +import java.util.Enumeration; | |
| 34 | +import java.util.Hashtable; | |
| 35 | + | |
| 36 | +import sun.security.util.*; | |
| 37 | + | |
| 38 | +/** | |
| 39 | + * This class defines the PKCS10 attributes for the request. | |
| 40 | + * The ASN.1 syntax for this is: | |
| 41 | + * <pre> | |
| 42 | + * Attributes ::= SET OF Attribute | |
| 43 | + * </pre> | |
| 44 | + * | |
| 45 | + * @author Amit Kapoor | |
| 46 | + * @author Hemma Prafullchandra | |
| 47 | + * @see PKCS10 | |
| 48 | + * @see PKCS10Attribute | |
| 49 | + */ | |
| 50 | +public class PKCS10Attributes implements DerEncoder { | |
| 51 | + | |
| 52 | + private Hashtable<String, PKCS10Attribute> map = | |
| 53 | + new Hashtable<String, PKCS10Attribute>(3); | |
| 54 | + | |
| 55 | + /** | |
| 56 | + * Default constructor for the PKCS10 attribute. | |
| 57 | + */ | |
| 58 | + public PKCS10Attributes() { } | |
| 59 | + | |
| 60 | + /** | |
| 61 | + * Create the object from the array of PKCS10Attribute objects. | |
| 62 | + * | |
| 63 | + * @param attrs the array of PKCS10Attribute objects. | |
| 64 | + */ | |
| 65 | + public PKCS10Attributes(PKCS10Attribute[] attrs) { | |
| 66 | + for (int i = 0; i < attrs.length; i++) { | |
| 67 | + map.put(attrs[i].getAttributeId().toString(), attrs[i]); | |
| 68 | + } | |
| 69 | + } | |
| 70 | + | |
| 71 | + /** | |
| 72 | + * Create the object, decoding the values from the passed DER stream. | |
| 73 | + * The DER stream contains the SET OF Attribute. | |
| 74 | + * | |
| 75 | + * @param in the DerInputStream to read the attributes from. | |
| 76 | + * @exception IOException on decoding errors. | |
| 77 | + */ | |
| 78 | + public PKCS10Attributes(DerInputStream in) throws IOException { | |
| 79 | + DerValue[] attrs = in.getSet(3, true); | |
| 80 | + | |
| 81 | + if (attrs == null) | |
| 82 | + throw new IOException("Illegal encoding of attributes"); | |
| 83 | + for (int i = 0; i < attrs.length; i++) { | |
| 84 | + PKCS10Attribute attr = new PKCS10Attribute(attrs[i]); | |
| 85 | + map.put(attr.getAttributeId().toString(), attr); | |
| 86 | + } | |
| 87 | + } | |
| 88 | + | |
| 89 | + /** | |
| 90 | + * Encode the attributes in DER form to the stream. | |
| 91 | + * | |
| 92 | + * @param out the OutputStream to marshal the contents to. | |
| 93 | + * @exception IOException on encoding errors. | |
| 94 | + */ | |
| 95 | + public void encode(OutputStream out) throws IOException { | |
| 96 | + derEncode(out); | |
| 97 | + } | |
| 98 | + | |
| 99 | + /** | |
| 100 | + * Encode the attributes in DER form to the stream. | |
| 101 | + * Implements the <code>DerEncoder</code> interface. | |
| 102 | + * | |
| 103 | + * @param out the OutputStream to marshal the contents to. | |
| 104 | + * @exception IOException on encoding errors. | |
| 105 | + */ | |
| 106 | + public void derEncode(OutputStream out) throws IOException { | |
| 107 | + // first copy the elements into an array | |
| 108 | + Collection<PKCS10Attribute> allAttrs = map.values(); | |
| 109 | + PKCS10Attribute[] attribs = | |
| 110 | + allAttrs.toArray(new PKCS10Attribute[map.size()]); | |
| 111 | + | |
| 112 | + DerOutputStream attrOut = new DerOutputStream(); | |
| 113 | + attrOut.putOrderedSetOf(DerValue.createTag(DerValue.TAG_CONTEXT, | |
| 114 | + true, (byte)0), | |
| 115 | + attribs); | |
| 116 | + out.write(attrOut.toByteArray()); | |
| 117 | + } | |
| 118 | + | |
| 119 | + /** | |
| 120 | + * Set the attribute value. | |
| 121 | + */ | |
| 122 | + public void setAttribute(String name, Object obj) { | |
| 123 | + if (obj instanceof PKCS10Attribute) { | |
| 124 | + map.put(name, (PKCS10Attribute)obj); | |
| 125 | + } | |
| 126 | + } | |
| 127 | + | |
| 128 | + /** | |
| 129 | + * Get the attribute value. | |
| 130 | + */ | |
| 131 | + public Object getAttribute(String name) { | |
| 132 | + return map.get(name); | |
| 133 | + } | |
| 134 | + | |
| 135 | + /** | |
| 136 | + * Delete the attribute value. | |
| 137 | + */ | |
| 138 | + public void deleteAttribute(String name) { | |
| 139 | + map.remove(name); | |
| 140 | + } | |
| 141 | + | |
| 142 | + /** | |
| 143 | + * Return an enumeration of names of attributes existing within this | |
| 144 | + * attribute. | |
| 145 | + */ | |
| 146 | + public Enumeration<PKCS10Attribute> getElements() { | |
| 147 | + return (map.elements()); | |
| 148 | + } | |
| 149 | + | |
| 150 | + /** | |
| 151 | + * Return a Collection of attributes existing within this | |
| 152 | + * PKCS10Attributes object. | |
| 153 | + */ | |
| 154 | + public Collection<PKCS10Attribute> getAttributes() { | |
| 155 | + return (Collections.unmodifiableCollection(map.values())); | |
| 156 | + } | |
| 157 | + | |
| 158 | + /** | |
| 159 | + * Compares this PKCS10Attributes for equality with the specified | |
| 160 | + * object. If the <code>other</code> object is an | |
| 161 | + * <code>instanceof</code> <code>PKCS10Attributes</code>, then | |
| 162 | + * all the entries are compared with the entries from this. | |
| 163 | + * | |
| 164 | + * @param other the object to test for equality with this PKCS10Attributes. | |
| 165 | + * @return true if all the entries match that of the Other, | |
| 166 | + * false otherwise. | |
| 167 | + */ | |
| 168 | + public boolean equals(Object other) { | |
| 169 | + if (this == other) | |
| 170 | + return true; | |
| 171 | + if (!(other instanceof PKCS10Attributes)) | |
| 172 | + return false; | |
| 173 | + | |
| 174 | + Collection<PKCS10Attribute> othersAttribs = | |
| 175 | + ((PKCS10Attributes)other).getAttributes(); | |
| 176 | + PKCS10Attribute[] attrs = | |
| 177 | + othersAttribs.toArray(new PKCS10Attribute[othersAttribs.size()]); | |
| 178 | + int len = attrs.length; | |
| 179 | + if (len != map.size()) | |
| 180 | + return false; | |
| 181 | + PKCS10Attribute thisAttr, otherAttr; | |
| 182 | + String key = null; | |
| 183 | + for (int i=0; i < len; i++) { | |
| 184 | + otherAttr = attrs[i]; | |
| 185 | + key = otherAttr.getAttributeId().toString(); | |
| 186 | + | |
| 187 | + if (key == null) | |
| 188 | + return false; | |
| 189 | + thisAttr = map.get(key); | |
| 190 | + if (thisAttr == null) | |
| 191 | + return false; | |
| 192 | + if (! thisAttr.equals(otherAttr)) | |
| 193 | + return false; | |
| 194 | + } | |
| 195 | + return true; | |
| 196 | + } | |
| 197 | + | |
| 198 | + /** | |
| 199 | + * Returns a hashcode value for this PKCS10Attributes. | |
| 200 | + * | |
| 201 | + * @return the hashcode value. | |
| 202 | + */ | |
| 203 | + public int hashCode() { | |
| 204 | + return map.hashCode(); | |
| 205 | + } | |
| 206 | + | |
| 207 | + /** | |
| 208 | + * Returns a string representation of this <tt>PKCS10Attributes</tt> object | |
| 209 | + * in the form of a set of entries, enclosed in braces and separated | |
| 210 | + * by the ASCII characters "<tt>, </tt>" (comma and space). | |
| 211 | + * <p>Overrides the <tt>toString</tt> method of <tt>Object</tt>. | |
| 212 | + * | |
| 213 | + * @return a string representation of this PKCS10Attributes. | |
| 214 | + */ | |
| 215 | + public String toString() { | |
| 216 | + String s = map.size() + "\n" + map.toString(); | |
| 217 | + return s; | |
| 218 | + } | |
| 219 | +} | |