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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 netscape.security.util.BitArray;
import netscape.security.util.DerInputStream;
import netscape.security.util.DerOutputStream;
import netscape.security.util.DerValue;
/**
* This class defines the UniqueIdentity class used by certificates.
*
* @author Amit Kapoor
* @author Hemma Prafullchandra
* @version 1.6
*/
public class UniqueIdentity {
// Private data members
private BitArray id;
/**
* The default constructor for this class.
*
* @param id the byte array containing the unique identifier.
*/
public UniqueIdentity(BitArray id) {
this.id = id;
}
/**
* The default constructor for this class.
*
* @param id the byte array containing the unique identifier.
*/
public UniqueIdentity(byte[] id) {
this.id = new BitArray(id.length * 8, id);
}
/**
* Create the object, decoding the values from the passed DER stream.
*
* @param in the DerInputStream to read the UniqueIdentity from.
* @exception IOException on decoding errors.
*/
public UniqueIdentity(DerInputStream in) throws IOException {
DerValue derVal = in.getDerValue();
id = derVal.getUnalignedBitString(true);
}
/**
* Create the object, decoding the values from the passed DER stream.
*
* @param derVal the DerValue decoded from the stream.
* @param tag the tag the value is encoded under.
* @exception IOException on decoding errors.
*/
public UniqueIdentity(DerValue derVal) throws IOException {
id = derVal.getUnalignedBitString(true);
}
/**
* Return the UniqueIdentity as a printable string.
*/
public String toString() {
return ("UniqueIdentity:" + id.toString() + "\n");
}
/**
* Encode the UniqueIdentity in DER form to the stream.
*
* @param out the DerOutputStream to marshal the contents to.
* @param tag enocode it under the following tag.
* @exception IOException on errors.
*/
public void encode(DerOutputStream out, byte tag) throws IOException {
byte[] bytes = id.toByteArray();
int excessBits = bytes.length * 8 - id.length();
out.write(tag);
out.putLength(bytes.length + 1);
out.write(excessBits);
out.write(bytes);
}
/**
* Return the unique id.
*/
public boolean[] getId() {
if (id == null)
return null;
return id.toBooleanArray();
}
}
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