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// --- BEGIN COPYRIGHT BLOCK ---
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; version 2 of the License.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// (C) 2007 Red Hat, Inc.
// All rights reserved.
// --- END COPYRIGHT BLOCK ---
package netscape.security.x509;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.math.BigInteger;
import java.util.Enumeration;
import netscape.security.util.*;
/**
* This class defines the SerialNumber attribute for the Certificate.
*
* @author Amit Kapoor
* @author Hemma Prafullchandra
* @version 1.6
* @see CertAttrSet
*/
public class CertificateSerialNumber implements CertAttrSet {
/**
* 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());
}
/**
* Decode the serial number in DER form from the stream.
*
* @param in the InputStream to marshal the contents from.
* @exception IOException on errors.
*/
public void decode(InputStream in) throws IOException {
DerValue derVal = new DerValue(in);
serial = new SerialNumber(derVal);
}
/**
* 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 Object 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 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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