author | weijun |
Thu, 04 Jul 2019 07:25:47 +0800 | |
changeset 55599 | e6c430d4d217 |
parent 47216 | 71c04702a3d5 |
permissions | -rw-r--r-- |
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/* |
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8022444: Remove sun.security.util.ObjectIdentifier.equals(ObjectIdentifier other) method
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changeset
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* Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package org.ietf.jgss; |
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import java.io.InputStream; |
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import java.io.IOException; |
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import sun.security.util.DerValue; |
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import sun.security.util.DerOutputStream; |
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import sun.security.util.ObjectIdentifier; |
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/** |
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* This class represents Universal Object Identifiers (Oids) and their |
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* associated operations.<p> |
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* |
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* Oids are hierarchically globally-interpretable identifiers used |
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* within the GSS-API framework to identify mechanisms and name formats.<p> |
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* |
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* The structure and encoding of Oids is defined in ISOIEC-8824 and |
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* ISOIEC-8825. For example the Oid representation of Kerberos V5 |
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* mechanism is "1.2.840.113554.1.2.2"<p> |
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* |
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* The GSSName name class contains public static Oid objects |
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* representing the standard name types defined in GSS-API. |
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* |
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* @author Mayank Upadhyay |
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* @since 1.4 |
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*/ |
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public class Oid { |
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private ObjectIdentifier oid; |
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private byte[] derEncoding; |
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/** |
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* Constructs an Oid object from a string representation of its |
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* integer components. |
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* |
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* @param strOid the dot separated string representation of the oid. |
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* For instance, "1.2.840.113554.1.2.2". |
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* @exception GSSException may be thrown when the string is incorrectly |
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* formatted |
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*/ |
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public Oid(String strOid) throws GSSException { |
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try { |
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oid = new ObjectIdentifier(strOid); |
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derEncoding = null; |
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} catch (Exception e) { |
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throw new GSSException(GSSException.FAILURE, |
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"Improperly formatted Object Identifier String - " |
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+ strOid); |
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} |
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} |
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/** |
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* Creates an Oid object from its ASN.1 DER encoding. This refers to |
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* the full encoding including tag and length. The structure and |
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* encoding of Oids is defined in ISOIEC-8824 and ISOIEC-8825. This |
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* method is identical in functionality to its byte array counterpart. |
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* |
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* @param derOid stream containing the DER encoded oid |
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* @exception GSSException may be thrown when the DER encoding does not |
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* follow the prescribed format. |
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*/ |
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public Oid(InputStream derOid) throws GSSException { |
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try { |
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DerValue derVal = new DerValue(derOid); |
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derEncoding = derVal.toByteArray(); |
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oid = derVal.getOID(); |
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} catch (IOException e) { |
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throw new GSSException(GSSException.FAILURE, |
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"Improperly formatted ASN.1 DER encoding for Oid"); |
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} |
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} |
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/** |
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* Creates an Oid object from its ASN.1 DER encoding. This refers to |
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* the full encoding including tag and length. The structure and |
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* encoding of Oids is defined in ISOIEC-8824 and ISOIEC-8825. This |
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* method is identical in functionality to its InputStream conterpart. |
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* |
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* @param data byte array containing the DER encoded oid |
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* @exception GSSException may be thrown when the DER encoding does not |
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* follow the prescribed format. |
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*/ |
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public Oid(byte [] data) throws GSSException { |
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try { |
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DerValue derVal = new DerValue(data); |
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derEncoding = derVal.toByteArray(); |
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oid = derVal.getOID(); |
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} catch (IOException e) { |
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throw new GSSException(GSSException.FAILURE, |
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"Improperly formatted ASN.1 DER encoding for Oid"); |
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} |
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} |
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/** |
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* Only for calling by initializators used with declarations. |
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* |
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* @param strOid |
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*/ |
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static Oid getInstance(String strOid) { |
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Oid retVal = null; |
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try { |
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retVal = new Oid(strOid); |
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} catch (GSSException e) { |
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// squelch it! |
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} |
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return retVal; |
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} |
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/** |
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* Returns a string representation of the oid's integer components |
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* in dot separated notation. |
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* |
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* @return string representation in the following format: "1.2.3.4.5" |
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*/ |
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public String toString() { |
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return oid.toString(); |
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} |
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/** |
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* Tests if two Oid objects represent the same Object identifier |
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* value. |
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* |
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* @return <code>true</code> if the two Oid objects represent the same |
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* value, <code>false</code> otherwise. |
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* @param other the Oid object that has to be compared to this one |
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*/ |
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public boolean equals(Object other) { |
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//check if both reference the same object |
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if (this == other) |
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return (true); |
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if (other instanceof Oid) |
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31426
9cd672654f97
8022444: Remove sun.security.util.ObjectIdentifier.equals(ObjectIdentifier other) method
juh
parents:
25859
diff
changeset
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return this.oid.equals(((Oid) other).oid); |
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else if (other instanceof ObjectIdentifier) |
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return this.oid.equals(other); |
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else |
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return false; |
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} |
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/** |
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* Returns the full ASN.1 DER encoding for this oid object, which |
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* includes the tag and length. |
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* |
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* @return byte array containing the DER encoding of this oid object. |
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* @exception GSSException may be thrown when the oid can't be encoded |
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*/ |
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public byte[] getDER() throws GSSException { |
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if (derEncoding == null) { |
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DerOutputStream dout = new DerOutputStream(); |
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try { |
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dout.putOID(oid); |
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} catch (IOException e) { |
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throw new GSSException(GSSException.FAILURE, e.getMessage()); |
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} |
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derEncoding = dout.toByteArray(); |
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} |
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return derEncoding.clone(); |
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} |
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/** |
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* A utility method to test if this Oid value is contained within the |
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* supplied Oid array. |
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* |
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* @param oids the array of Oid's to search |
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* @return true if the array contains this Oid value, false otherwise |
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*/ |
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public boolean containedIn(Oid[] oids) { |
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for (int i = 0; i < oids.length; i++) { |
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if (oids[i].equals(this)) |
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return (true); |
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} |
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return (false); |
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} |
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/** |
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* Returns a hashcode value for this Oid. |
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* |
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* @return a hashCode value |
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*/ |
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public int hashCode() { |
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return oid.hashCode(); |
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} |
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} |