Source Code Cross Referenced for OIDName.java in  » 6.0-JDK-Modules » j2me » sun » security » x509 » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » 6.0 JDK Modules » j2me » sun.security.x509 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*
002:         * @(#)OIDName.java	1.16 06/10/10
003:         *
004:         * Copyright  1990-2006 Sun Microsystems, Inc. All Rights Reserved.  
005:         * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER  
006:         *   
007:         * This program is free software; you can redistribute it and/or  
008:         * modify it under the terms of the GNU General Public License version  
009:         * 2 only, as published by the Free Software Foundation.   
010:         *   
011:         * This program is distributed in the hope that it will be useful, but  
012:         * WITHOUT ANY WARRANTY; without even the implied warranty of  
013:         * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU  
014:         * General Public License version 2 for more details (a copy is  
015:         * included at /legal/license.txt).   
016:         *   
017:         * You should have received a copy of the GNU General Public License  
018:         * version 2 along with this work; if not, write to the Free Software  
019:         * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  
020:         * 02110-1301 USA   
021:         *   
022:         * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa  
023:         * Clara, CA 95054 or visit www.sun.com if you need additional  
024:         * information or have any questions. 
025:         *
026:         */
027:
028:        package sun.security.x509;
029:
030:        import java.io.IOException;
031:
032:        import sun.security.util.*;
033:
034:        /**
035:         * This class implements the OIDName as required by the GeneralNames
036:         * ASN.1 object.
037:         *
038:         * @author Amit Kapoor
039:         * @author Hemma Prafullchandra
040:         * @version 1.9
041:         * @see GeneralName
042:         * @see GeneralNames
043:         * @see GeneralNameInterface
044:         */
045:        public class OIDName implements  GeneralNameInterface {
046:            private ObjectIdentifier oid;
047:
048:            /**
049:             * Create the OIDName object from the passed encoded Der value.
050:             *
051:             * @param derValue the encoded DER OIDName.
052:             * @exception IOException on error.
053:             */
054:            public OIDName(DerValue derValue) throws IOException {
055:                oid = derValue.getOID();
056:            }
057:
058:            /**
059:             * Create the OIDName object with the specified name.
060:             *
061:             * @param name the OIDName.
062:             */
063:            public OIDName(ObjectIdentifier oid) {
064:                this .oid = oid;
065:            }
066:
067:            /**
068:             * Create the OIDName from the String form of the OID
069:             *
070:             * @param name the OIDName in form "x.y.z..."
071:             * @throws IOException on error
072:             */
073:            public OIDName(String name) throws IOException {
074:                try {
075:                    oid = new ObjectIdentifier(name);
076:                } catch (Exception e) {
077:                    throw new IOException("Unable to create OIDName: " + e);
078:                }
079:            }
080:
081:            /**
082:             * Return the type of the GeneralName.
083:             */
084:            public int getType() {
085:                return (GeneralNameInterface.NAME_OID);
086:            }
087:
088:            /**
089:             * Encode the OID name into the DerOutputStream.
090:             *
091:             * @param out the DER stream to encode the OIDName to.
092:             * @exception IOException on encoding errors.
093:             */
094:            public void encode(DerOutputStream out) throws IOException {
095:                out.putOID(oid);
096:            }
097:
098:            /**
099:             * Convert the name into user readable string.
100:             */
101:            public String toString() {
102:                return ("OIDName: " + oid.toString());
103:            }
104:
105:            /**
106:             * Returns this OID name.
107:             */
108:            public ObjectIdentifier getOID() {
109:                return oid;
110:            }
111:
112:            /**
113:             * Compares this name with another, for equality.
114:             *
115:             * @return true iff the names are identical
116:             */
117:            public boolean equals(Object obj) {
118:                if (this  == obj)
119:                    return true;
120:
121:                if (!(obj instanceof  OIDName))
122:                    return false;
123:
124:                OIDName other = (OIDName) obj;
125:
126:                return oid.equals(other.oid);
127:            }
128:
129:            /**
130:             * Returns the hash code value for this object.
131:             * 
132:             * @return a hash code value for this object.
133:             */
134:            public int hashCode() {
135:                return oid.hashCode();
136:            }
137:
138:            /**
139:             * Return type of constraint inputName places on this name:<ul>
140:             *   <li>NAME_DIFF_TYPE = -1: input name is different type from name (i.e. does not constrain).
141:             *   <li>NAME_MATCH = 0: input name matches name.
142:             *   <li>NAME_NARROWS = 1: input name narrows name (is lower in the naming subtree)
143:             *   <li>NAME_WIDENS = 2: input name widens name (is higher in the naming subtree)
144:             *   <li>NAME_SAME_TYPE = 3: input name does not match or narrow name, but is same type.
145:             * </ul>.  These results are used in checking NameConstraints during
146:             * certification path verification.
147:             *
148:             * @param inputName to be checked for being constrained
149:             * @returns constraint type above
150:             * @throws UnsupportedOperationException if name is not exact match, but narrowing and widening are
151:             *          not supported for this name type.
152:             */
153:            public int constrains(GeneralNameInterface inputName)
154:                    throws UnsupportedOperationException {
155:                int constraintType;
156:                if (inputName == null)
157:                    constraintType = NAME_DIFF_TYPE;
158:                else if (inputName.getType() != NAME_OID)
159:                    constraintType = NAME_DIFF_TYPE;
160:                else if (this .equals((OIDName) inputName))
161:                    constraintType = NAME_MATCH;
162:                else
163:                    //widens and narrows not defined in RFC2459 for OIDName (aka registeredID)
164:                    throw new UnsupportedOperationException(
165:                            "Narrowing and widening are not supported for OIDNames");
166:                return constraintType;
167:            }
168:
169:            /**
170:             * Return subtree depth of this name for purposes of determining
171:             * NameConstraints minimum and maximum bounds and for calculating
172:             * path lengths in name subtrees.
173:             *
174:             * @returns distance of name from root
175:             * @throws UnsupportedOperationException if not supported for this name type
176:             */
177:            public int subtreeDepth() throws UnsupportedOperationException {
178:                throw new UnsupportedOperationException(
179:                        "subtreeDepth() not supported for OIDName.");
180:            }
181:        }
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