| /* |
| * Copyright (c) 1997, 2015, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package sun.security.x509; |
| |
| import java.io.IOException; |
| |
| import sun.security.util.*; |
| |
| /** |
| * This class implements the OIDName as required by the GeneralNames |
| * ASN.1 object. |
| * |
| * @author Amit Kapoor |
| * @author Hemma Prafullchandra |
| * @see GeneralName |
| * @see GeneralNames |
| * @see GeneralNameInterface |
| */ |
| public class OIDName implements GeneralNameInterface { |
| private ObjectIdentifier oid; |
| |
| /** |
| * Create the OIDName object from the passed encoded Der value. |
| * |
| * @param derValue the encoded DER OIDName. |
| * @exception IOException on error. |
| */ |
| public OIDName(DerValue derValue) throws IOException { |
| oid = derValue.getOID(); |
| } |
| |
| /** |
| * Create the OIDName object with the specified name. |
| * |
| * @param oid the OIDName. |
| */ |
| public OIDName(ObjectIdentifier oid) { |
| this.oid = oid; |
| } |
| |
| /** |
| * Create the OIDName from the String form of the OID |
| * |
| * @param name the OIDName in form "x.y.z..." |
| * @throws IOException on error |
| */ |
| public OIDName(String name) throws IOException { |
| try { |
| oid = new ObjectIdentifier(name); |
| } catch (Exception e) { |
| throw new IOException("Unable to create OIDName: " + e); |
| } |
| } |
| |
| /** |
| * Return the type of the GeneralName. |
| */ |
| public int getType() { |
| return (GeneralNameInterface.NAME_OID); |
| } |
| |
| /** |
| * Encode the OID name into the DerOutputStream. |
| * |
| * @param out the DER stream to encode the OIDName to. |
| * @exception IOException on encoding errors. |
| */ |
| public void encode(DerOutputStream out) throws IOException { |
| out.putOID(oid); |
| } |
| |
| /** |
| * Convert the name into user readable string. |
| */ |
| public String toString() { |
| return ("OIDName: " + oid.toString()); |
| } |
| |
| /** |
| * Returns this OID name. |
| */ |
| public ObjectIdentifier getOID() { |
| return oid; |
| } |
| |
| /** |
| * Compares this name with another, for equality. |
| * |
| * @return true iff the names are identical |
| */ |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| |
| if (!(obj instanceof OIDName)) |
| return false; |
| |
| OIDName other = (OIDName)obj; |
| |
| return oid.equals(other.oid); |
| } |
| |
| /** |
| * Returns the hash code value for this object. |
| * |
| * @return a hash code value for this object. |
| */ |
| public int hashCode() { |
| return oid.hashCode(); |
| } |
| |
| /** |
| * Return type of constraint inputName places on this name:<ul> |
| * <li>NAME_DIFF_TYPE = -1: input name is different type from name (i.e. does not constrain). |
| * <li>NAME_MATCH = 0: input name matches name. |
| * <li>NAME_NARROWS = 1: input name narrows name (is lower in the naming subtree) |
| * <li>NAME_WIDENS = 2: input name widens name (is higher in the naming subtree) |
| * <li>NAME_SAME_TYPE = 3: input name does not match or narrow name, but is same type. |
| * </ul>. These results are used in checking NameConstraints during |
| * certification path verification. |
| * |
| * @param inputName to be checked for being constrained |
| * @return constraint type above |
| * @throws UnsupportedOperationException if name is not exact match, but narrowing and widening are |
| * not supported for this name type. |
| */ |
| public int constrains(GeneralNameInterface inputName) throws UnsupportedOperationException { |
| int constraintType; |
| if (inputName == null) |
| constraintType = NAME_DIFF_TYPE; |
| else if (inputName.getType() != NAME_OID) |
| constraintType = NAME_DIFF_TYPE; |
| else if (this.equals((OIDName)inputName)) |
| constraintType = NAME_MATCH; |
| else |
| //widens and narrows not defined in RFC2459 for OIDName (aka registeredID) |
| throw new UnsupportedOperationException("Narrowing and widening are not supported for OIDNames"); |
| return constraintType; |
| } |
| |
| /** |
| * Return subtree depth of this name for purposes of determining |
| * NameConstraints minimum and maximum bounds and for calculating |
| * path lengths in name subtrees. |
| * |
| * @return distance of name from root |
| * @throws UnsupportedOperationException if not supported for this name type |
| */ |
| public int subtreeDepth() throws UnsupportedOperationException { |
| throw new UnsupportedOperationException("subtreeDepth() not supported for OIDName."); |
| } |
| } |