package gnu.crypto.keyring; // -*- c-basic-offset: 3 -*-
// ---------------------------------------------------------------------------
// $Id: CertificateEntry.java,v 1.7 2005/10/06 04:24:16 rsdio Exp $
//
// Copyright (C) 2003 Free Software Foundation, Inc.
//
// This file is part of GNU Crypto.
//
// GNU Crypto 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; either version 2, or (at your option)
// any later version.
//
// GNU Crypto 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; see the file COPYING. If not, write to the
//
// Free Software Foundation Inc.,
// 51 Franklin Street, Fifth Floor,
// Boston, MA 02110-1301
// USA
//
// Linking this library statically or dynamically with other modules is
// making a combined work based on this library. Thus, the terms and
// conditions of the GNU General Public License cover the whole
// combination.
//
// As a special exception, the copyright holders of this library give
// you permission to link this library with independent modules to
// produce an executable, regardless of the license terms of these
// independent modules, and to copy and distribute the resulting
// executable under terms of your choice, provided that you also meet,
// for each linked independent module, the terms and conditions of the
// license of that module. An independent module is a module which is
// not derived from or based on this library. If you modify this
// library, you may extend this exception to your version of the
// library, but you are not obligated to do so. If you do not wish to
// do so, delete this exception statement from your version.
//
// ---------------------------------------------------------------------------
import java.io.DataInputStream;
import java.io.DataOutputStream;
import java.io.IOException;
import java.security.cert.Certificate;
import java.security.cert.CertificateEncodingException;
import java.security.cert.CertificateException;
import java.security.cert.CertificateFactory;
import java.security.cert.X509Certificate;
import java.util.Date;
/**
* <p>An immutable class representing a trusted certificate entry.</p>
*
* @version $Revision: 1.7 $
*/
public final class CertificateEntry extends PrimitiveEntry {
// Constants and variables
// -------------------------------------------------------------------------
public static final int TYPE = 5;
/** The certificate. */
private Certificate certificate;
// Constructor(s)
// -------------------------------------------------------------------------
/**
* Creates a new certificate entry.
*
* @param certificate The certificate.
* @param creationDate The creation date.
* @param properties The alias.
* @throws IllegalArgumentException If any argument is null, or if the alias
* is empty.
*/
public
CertificateEntry(Certificate certificate, Date creationDate, Properties properties)
{
super(TYPE, creationDate, properties);
if (certificate == null) {
throw new IllegalArgumentException("no certificate");
}
this.certificate = certificate;
this.properties.put("type", certificate.getType());
}
private CertificateEntry() {
super (TYPE);
}
// Class methods
// -------------------------------------------------------------------------
public static CertificateEntry decode(DataInputStream in) throws IOException {
CertificateEntry entry = new CertificateEntry();
entry.properties.decode(in);
entry.makeCreationDate();
String type = entry.properties.get("type");
if (type == null) {
throw new MalformedKeyringException("no certificate type");
}
int len = in.readInt();
MeteredInputStream in2 = new MeteredInputStream(in, len);
try {
CertificateFactory fact = CertificateFactory.getInstance(type);
entry.certificate = fact.generateCertificate(in2);
} catch (CertificateException ce) {
throw new MalformedKeyringException(ce.toString());
}
if (!in2.limitReached()) {
throw new MalformedKeyringException("extra data at end of payload");
}
return entry;
}
// Instance methods
// -------------------------------------------------------------------------
/**
* Returns this entry's certificate.
*
* @return The certificate.
*/
public Certificate getCertificate() {
return certificate;
}
protected void encodePayload() throws IOException {
try {
payload = certificate.getEncoded();
} catch (CertificateEncodingException cee) {
throw new IOException(cee.toString());
}
}
}