author | jjg |
Mon, 15 Aug 2011 11:48:20 -0700 | |
changeset 10336 | 0bb1999251f8 |
parent 5506 | 202f599c92aa |
permissions | -rw-r--r-- |
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/* |
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7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
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changeset
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* Copyright (c) 1997, 2011, 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 sun.security.x509; |
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import java.io.IOException; |
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import java.io.OutputStream; |
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import java.math.BigInteger; |
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import java.util.Enumeration; |
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import sun.security.util.*; |
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/** |
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* Represent the CRL Number Extension. |
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* |
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* <p>This extension, if present, conveys a monotonically increasing |
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* sequence number for each CRL issued by a given CA through a specific |
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* CA X.500 Directory entry or CRL distribution point. This extension |
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* allows users to easily determine when a particular CRL supersedes |
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* another CRL. |
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* |
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* @author Hemma Prafullchandra |
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* @see Extension |
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* @see CertAttrSet |
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*/ |
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public class CRLNumberExtension extends Extension |
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implements CertAttrSet<String> { |
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/** |
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* Attribute name. |
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*/ |
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public static final String NAME = "CRLNumber"; |
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public static final String NUMBER = "value"; |
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private static final String LABEL = "CRL Number"; |
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private BigInteger crlNumber = null; |
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private String extensionName; |
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private String extensionLabel; |
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// Encode this extension value |
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private void encodeThis() throws IOException { |
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if (crlNumber == null) { |
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this.extensionValue = null; |
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return; |
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} |
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DerOutputStream os = new DerOutputStream(); |
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os.putInteger(this.crlNumber); |
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this.extensionValue = os.toByteArray(); |
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} |
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/** |
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* Create a CRLNumberExtension with the integer value . |
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* The criticality is set to false. |
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* |
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* @param crlNum the value to be set for the extension. |
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*/ |
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public CRLNumberExtension(int crlNum) throws IOException { |
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this(PKIXExtensions.CRLNumber_Id, false, BigInteger.valueOf(crlNum), |
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NAME, LABEL); |
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} |
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/** |
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* Create a CRLNumberExtension with the BigInteger value . |
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* The criticality is set to false. |
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* |
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* @param crlNum the value to be set for the extension. |
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*/ |
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public CRLNumberExtension(BigInteger crlNum) throws IOException { |
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this(PKIXExtensions.CRLNumber_Id, false, crlNum, NAME, LABEL); |
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} |
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/** |
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* Creates the extension (also called by the subclass). |
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*/ |
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protected CRLNumberExtension(ObjectIdentifier extensionId, |
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boolean isCritical, BigInteger crlNum, String extensionName, |
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String extensionLabel) throws IOException { |
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this.extensionId = extensionId; |
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this.critical = isCritical; |
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this.crlNumber = crlNum; |
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this.extensionName = extensionName; |
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this.extensionLabel = extensionLabel; |
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encodeThis(); |
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} |
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/** |
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* Create the extension from the passed DER encoded value of the same. |
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* |
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* @param critical true if the extension is to be treated as critical. |
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* @param value an array of DER encoded bytes of the actual value. |
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* @exception ClassCastException if value is not an array of bytes |
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* @exception IOException on error. |
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*/ |
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public CRLNumberExtension(Boolean critical, Object value) |
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throws IOException { |
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this(PKIXExtensions.CRLNumber_Id, critical, value, NAME, LABEL); |
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} |
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/** |
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* Creates the extension (also called by the subclass). |
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*/ |
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protected CRLNumberExtension(ObjectIdentifier extensionId, |
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Boolean critical, Object value, String extensionName, |
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String extensionLabel) throws IOException { |
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this.extensionId = extensionId; |
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this.critical = critical.booleanValue(); |
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this.extensionValue = (byte[]) value; |
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DerValue val = new DerValue(this.extensionValue); |
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this.crlNumber = val.getBigInteger(); |
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this.extensionName = extensionName; |
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this.extensionLabel = extensionLabel; |
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} |
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/** |
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* Set the attribute value. |
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*/ |
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public void set(String name, Object obj) throws IOException { |
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if (name.equalsIgnoreCase(NUMBER)) { |
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if (!(obj instanceof BigInteger)) { |
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throw new IOException("Attribute must be of type BigInteger."); |
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} |
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crlNumber = (BigInteger)obj; |
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} else { |
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throw new IOException("Attribute name not recognized by" |
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+ " CertAttrSet:" + extensionName + "."); |
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} |
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encodeThis(); |
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} |
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/** |
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* Get the attribute value. |
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*/ |
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7064075: Security libraries don't build with javac -Xlint:all,-deprecation -Werror
jjg
parents:
5506
diff
changeset
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public BigInteger get(String name) throws IOException { |
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if (name.equalsIgnoreCase(NUMBER)) { |
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if (crlNumber == null) return null; |
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else return crlNumber; |
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} else { |
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throw new IOException("Attribute name not recognized by" |
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+ " CertAttrSet:" + extensionName + "."); |
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} |
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} |
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/** |
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* Delete the attribute value. |
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*/ |
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public void delete(String name) throws IOException { |
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if (name.equalsIgnoreCase(NUMBER)) { |
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crlNumber = null; |
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} else { |
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throw new IOException("Attribute name not recognized by" |
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+ " CertAttrSet:" + extensionName + "."); |
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} |
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encodeThis(); |
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} |
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/** |
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* Returns a printable representation of the CRLNumberExtension. |
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*/ |
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public String toString() { |
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String s = super.toString() + extensionLabel + ": " + |
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((crlNumber == null) ? "" : Debug.toHexString(crlNumber)) |
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+ "\n"; |
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return (s); |
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} |
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/** |
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* Write the extension to the DerOutputStream. |
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* |
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* @param out the DerOutputStream to write the extension to. |
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* @exception IOException on encoding errors. |
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*/ |
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public void encode(OutputStream out) throws IOException { |
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DerOutputStream tmp = new DerOutputStream(); |
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encode(out, PKIXExtensions.CRLNumber_Id, true); |
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} |
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/** |
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* Write the extension to the DerOutputStream. |
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* (Also called by the subclass) |
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*/ |
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protected void encode(OutputStream out, ObjectIdentifier extensionId, |
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boolean isCritical) throws IOException { |
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DerOutputStream tmp = new DerOutputStream(); |
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if (this.extensionValue == null) { |
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this.extensionId = extensionId; |
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this.critical = isCritical; |
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encodeThis(); |
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} |
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super.encode(tmp); |
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out.write(tmp.toByteArray()); |
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} |
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/** |
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* Return an enumeration of names of attributes existing within this |
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* attribute. |
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*/ |
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public Enumeration<String> getElements() { |
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AttributeNameEnumeration elements = new AttributeNameEnumeration(); |
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elements.addElement(NUMBER); |
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return (elements.elements()); |
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} |
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/** |
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* Return the name of this attribute. |
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*/ |
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public String getName() { |
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return (extensionName); |
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} |
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} |