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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.security.cert.*;
import netscape.security.pkcs.*;
import java.io.*;
public class CertificateChain implements Serializable
{
public CertificateChain() { }
/**
* constructs a certificate chain from a certificate.
* @param cert a certificate
*/
public CertificateChain(X509Certificate cert)
{
mChain = new X509Certificate[1];
mChain[0] = cert;
}
/**
* constructs a certificate chain from a X509 certificate array.
* @param chain a certificate array.
*/
public CertificateChain(X509Certificate[] chain)
{
mChain = (X509Certificate[])chain.clone();
}
/**
* returns the certificate at specified index in chain.
* @param index the index.
* @return the X509 certificate at the given index.
*/
public X509Certificate getCertificate(int index)
{
return mChain[index];
}
/**
* returns the first certificate in chain.
* @return the X509 certificate at the given index.
*/
public X509Certificate getFirstCertificate()
{
return mChain[0];
}
/**
* returns the certificate chain as an array of X509 certificates.
* @return an array of X509 Certificates.
*/
public X509Certificate[] getChain()
{
return (X509Certificate[])mChain.clone();
}
public void encode(OutputStream out)
throws IOException
{
encode(out, true);
}
/**
* encode in PKCS7 blob.
*/
public void encode(OutputStream out, boolean sort)
throws IOException
{
PKCS7 p7 = new PKCS7(new AlgorithmId[0],
new ContentInfo(new byte[0]), mChain,
new SignerInfo[0]);
p7.encodeSignedData(out, sort);
}
/**
* decode from PKCS7 blob.
*/
public void decode(InputStream in)
throws IOException
{
PKCS7 p7 = new PKCS7(in);
mChain = p7.getCertificates();
}
/**
* for serialization
*/
private void writeObject(java.io.ObjectOutputStream out)
throws IOException
{
encode(out);
}
/**
* for serialization
*/
private void readObject(java.io.ObjectInputStream in)
throws IOException
{
decode(in);
}
/**
* Converts the certificate chain to a readable string.
*/
public String toString() {
String s = "[\n";
if (mChain == null)
return "[empty]";
for (int i = 0; i < mChain.length; i++) {
s += mChain[i].toString();
}
s += "]\n";
return s;
}
private X509Certificate[] mChain = null;
}
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