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/*
* Copyright (c) 1997, 2011, 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 java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import java.util.Enumeration;
import sun.security.util.*;
/**
* This class defines the SerialNumber attribute for the Certificate.
*
* @author Amit Kapoor
* @author Hemma Prafullchandra
* @see CertAttrSet
*/
public class CertificateSerialNumber implements CertAttrSet<String> {
/**
* Identifier for this attribute, to be used with the
* get, set, delete methods of Certificate, x509 type.
*/
public static final String IDENT = "x509.info.serialNumber";
/**
* Sub attributes name for this CertAttrSet.
*/
public static final String NAME = "serialNumber";
public static final String NUMBER = "number";
private SerialNumber serial;
/**
* Default constructor for the certificate attribute.
*
* @param serial the serial number for the certificate.
*/
public CertificateSerialNumber(BigInteger num) {
this.serial = new SerialNumber(num);
}
/**
* Default constructor for the certificate attribute.
*
* @param serial the serial number for the certificate.
*/
public CertificateSerialNumber(int num) {
this.serial = new SerialNumber(num);
}
/**
* Create the object, decoding the values from the passed DER stream.
*
* @param in the DerInputStream to read the serial number from.
* @exception IOException on decoding errors.
*/
public CertificateSerialNumber(DerInputStream in) throws IOException {
serial = new SerialNumber(in);
}
/**
* Create the object, decoding the values from the passed stream.
*
* @param in the InputStream to read the serial number from.
* @exception IOException on decoding errors.
*/
public CertificateSerialNumber(InputStream in) throws IOException {
serial = new SerialNumber(in);
}
/**
* Create the object, decoding the values from the passed DerValue.
*
* @param val the DER encoded value.
* @exception IOException on decoding errors.
*/
public CertificateSerialNumber(DerValue val) throws IOException {
serial = new SerialNumber(val);
}
/**
* Return the serial number as user readable string.
*/
public String toString() {
if (serial == null) return "";
return (serial.toString());
}
/**
* Encode the serial number in DER form to the stream.
*
* @param out the DerOutputStream to marshal the contents to.
* @exception IOException on errors.
*/
public void encode(OutputStream out) throws IOException {
DerOutputStream tmp = new DerOutputStream();
serial.encode(tmp);
out.write(tmp.toByteArray());
}
/**
* Set the attribute value.
*/
public void set(String name, Object obj) throws IOException {
if (!(obj instanceof SerialNumber)) {
throw new IOException("Attribute must be of type SerialNumber.");
}
if (name.equalsIgnoreCase(NUMBER)) {
serial = (SerialNumber)obj;
} else {
throw new IOException("Attribute name not recognized by " +
"CertAttrSet:CertificateSerialNumber.");
}
}
/**
* Get the attribute value.
*/
public SerialNumber get(String name) throws IOException {
if (name.equalsIgnoreCase(NUMBER)) {
return (serial);
} else {
throw new IOException("Attribute name not recognized by " +
"CertAttrSet:CertificateSerialNumber.");
}
}
/**
* Delete the attribute value.
*/
public void delete(String name) throws IOException {
if (name.equalsIgnoreCase(NUMBER)) {
serial = null;
} else {
throw new IOException("Attribute name not recognized by " +
"CertAttrSet:CertificateSerialNumber.");
}
}
/**
* Return an enumeration of names of attributes existing within this
* attribute.
*/
public Enumeration<String> getElements() {
AttributeNameEnumeration elements = new AttributeNameEnumeration();
elements.addElement(NUMBER);
return (elements.elements());
}
/**
* Return the name of this attribute.
*/
public String getName() {
return (NAME);
}
}
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