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+/* CertPathEntry.java --
+ Copyright (C) 2003, 2006 Free Software Foundation, Inc.
+
+This file is a part of GNU Classpath.
+
+GNU Classpath 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 of the License, or (at
+your option) any later version.
+
+GNU Classpath 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 GNU Classpath; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, 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. */
+
+
+package gnu.javax.crypto.keyring;
+
+import java.io.ByteArrayOutputStream;
+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.util.Date;
+
+/**
+ * A primitive entry that contains a path of X.509 certificates.
+ */
+public final class CertPathEntry extends PrimitiveEntry
+{
+
+ // Constants and fields.
+ // ------------------------------------------------------------------------
+
+ public static final int TYPE = 8;
+
+ private Certificate[] path;
+
+ // Constructor.
+ // ------------------------------------------------------------------------
+
+ public CertPathEntry(Certificate[] path, Date creationDate,
+ Properties properties)
+ {
+ super(TYPE, creationDate, properties);
+ if (path == null || path.length == 0)
+ {
+ throw new IllegalArgumentException("no certificate path");
+ }
+ this.path = (Certificate[]) path.clone();
+ }
+
+ private CertPathEntry()
+ {
+ super(TYPE);
+ }
+
+ // Class method.
+ // ------------------------------------------------------------------------
+
+ public static CertPathEntry decode(DataInputStream in) throws IOException
+ {
+ CertPathEntry entry = new CertPathEntry();
+ entry.properties.decode(in);
+ entry.makeCreationDate();
+ int len = in.readInt();
+ MeteredInputStream in2 = new MeteredInputStream(in, len);
+ try
+ {
+ CertificateFactory fact = CertificateFactory.getInstance("X.509");
+ entry.path = (Certificate[]) fact.generateCertificates(in2).toArray(
+ new Certificate[0]);
+ }
+ catch (CertificateException ce)
+ {
+ throw new MalformedKeyringException(ce.toString());
+ }
+ return entry;
+ }
+
+ // Instance methods.
+ // ------------------------------------------------------------------------
+
+ public Certificate[] getCertPath()
+ {
+ return path;
+ }
+
+ protected void encodePayload() throws IOException
+ {
+ ByteArrayOutputStream bout = new ByteArrayOutputStream(1024);
+ byte[] enc = null;
+ try
+ {
+ for (int i = 0; i < path.length; i++)
+ {
+ bout.write(path[i].getEncoded());
+ }
+ }
+ catch (CertificateEncodingException cee)
+ {
+ throw new IOException(cee.toString());
+ }
+ payload = bout.toByteArray();
+ }
+}