220 lines
7.0 KiB
Java
220 lines
7.0 KiB
Java
/*
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* Copyright (c) 2007, 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.util.Date;
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import java.util.Enumeration;
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import sun.security.util.*;
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/**
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* From RFC 3280:
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* <p>
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* The invalidity date is a non-critical CRL entry extension that
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* provides the date on which it is known or suspected that the private
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* key was compromised or that the certificate otherwise became invalid.
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* This date may be earlier than the revocation date in the CRL entry,
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* which is the date at which the CA processed the revocation. When a
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* revocation is first posted by a CRL issuer in a CRL, the invalidity
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* date may precede the date of issue of earlier CRLs, but the
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* revocation date SHOULD NOT precede the date of issue of earlier CRLs.
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* Whenever this information is available, CRL issuers are strongly
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* encouraged to share it with CRL users.
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* <p>
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* The GeneralizedTime values included in this field MUST be expressed
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* in Greenwich Mean Time (Zulu), and MUST be specified and interpreted
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* as defined in section 4.1.2.5.2.
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* <pre>
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* id-ce-invalidityDate OBJECT IDENTIFIER ::= { id-ce 24 }
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*
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* invalidityDate ::= GeneralizedTime
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* </pre>
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*
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* @author Sean Mullan
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*/
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public class InvalidityDateExtension extends Extension
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implements CertAttrSet<String> {
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/**
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* Attribute name and Reason codes
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*/
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public static final String NAME = "InvalidityDate";
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public static final String DATE = "date";
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private Date date;
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private void encodeThis() throws IOException {
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if (date == null) {
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this.extensionValue = null;
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return;
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}
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DerOutputStream dos = new DerOutputStream();
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dos.putGeneralizedTime(date);
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this.extensionValue = dos.toByteArray();
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}
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/**
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* Create a InvalidityDateExtension with the passed in date.
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* Criticality automatically set to false.
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*
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* @param date the invalidity date
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*/
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public InvalidityDateExtension(Date date) throws IOException {
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this(false, date);
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}
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/**
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* Create a InvalidityDateExtension with the passed in date.
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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 date the invalidity date
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*/
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public InvalidityDateExtension(boolean critical, Date date)
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throws IOException {
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this.extensionId = PKIXExtensions.InvalidityDate_Id;
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this.critical = critical;
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this.date = date;
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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 InvalidityDateExtension(Boolean critical, Object value)
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throws IOException {
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this.extensionId = PKIXExtensions.InvalidityDate_Id;
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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.date = val.getGeneralizedTime();
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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 (!(obj instanceof Date)) {
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throw new IOException("Attribute must be of type Date.");
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}
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if (name.equalsIgnoreCase(DATE)) {
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date = (Date) obj;
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} else {
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throw new IOException
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("Name not supported by InvalidityDateExtension");
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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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public Date get(String name) throws IOException {
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if (name.equalsIgnoreCase(DATE)) {
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if (date == null) {
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return null;
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} else {
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return (new Date(date.getTime())); // clone
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}
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} else {
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throw new IOException
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("Name not supported by InvalidityDateExtension");
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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(DATE)) {
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date = null;
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} else {
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throw new IOException
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("Name not supported by InvalidityDateExtension");
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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 Invalidity Date.
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*/
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public String toString() {
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return super.toString() + " Invalidity Date: " + String.valueOf(date);
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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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if (this.extensionValue == null) {
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this.extensionId = PKIXExtensions.InvalidityDate_Id;
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this.critical = false;
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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(DATE);
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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 NAME;
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}
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public static InvalidityDateExtension toImpl(java.security.cert.Extension ext)
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throws IOException {
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if (ext instanceof InvalidityDateExtension) {
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return (InvalidityDateExtension) ext;
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} else {
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return new InvalidityDateExtension
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(Boolean.valueOf(ext.isCritical()), ext.getValue());
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}
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}
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}
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