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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, Hemma Prafullchandra
See Also:
/** * 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.
/** * 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.
/** * 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.
Params:
  • serial – the serial number for the certificate.
/** * 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.
Params:
  • serial – the serial number for the certificate.
/** * 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.
Params:
  • in – the DerInputStream to read the serial number from.
Throws:
/** * 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.
Params:
  • in – the InputStream to read the serial number from.
Throws:
/** * 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.
Params:
  • val – the DER encoded value.
Throws:
/** * 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.
/** * 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.
Params:
  • out – the DerOutputStream to marshal the contents to.
Throws:
/** * 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.
/** * 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.
/** * 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.
/** * 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.
/** * 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.
/** * Return the name of this attribute. */
public String getName() { return (NAME); } }