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package gnu.crypto.keyring; // -*- c-basic-offset: 3 -*-
// ---------------------------------------------------------------------------
// $Id: BinaryDataEntry.java,v 1.1 2003/10/23 09:52:58 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.,
// 59 Temple Place - Suite 330,
// Boston, MA 02111-1307
// 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.IOException;
import java.util.Date;
/**
* A binary data entry is a primitive entry that simply contains some amount
* of arbitrary binary data and an optional content type.
*
* $Revision: 1.1 $
*/
public class BinaryDataEntry extends PrimitiveEntry {
// Fields.
// ------------------------------------------------------------------------
public static final int TYPE = 9;
// Constructors.
// ------------------------------------------------------------------------
/**
* Creates a new binary data entry.
*
* @param contentType The content type of this entry. This parameter can
* be null if no content type is needed.
* @param data The data.
* @param creationDate The creation date.
* @param properties This entry's properties.
*/
public BinaryDataEntry(String contentType, byte[] data, Date creationDate,
Properties properties)
{
super(TYPE, creationDate, properties);
if (data == null) {
throw new IllegalArgumentException("no data");
}
payload = (byte[]) data.clone();
if (contentType != null) {
this.properties.put("content-type", contentType);
}
}
private BinaryDataEntry() {
}
// Class methods.
// ------------------------------------------------------------------------
public static BinaryDataEntry decode(DataInputStream in) throws IOException {
BinaryDataEntry entry = new BinaryDataEntry();
entry.defaultDecode(in);
return entry;
}
// Instance methods.
// ------------------------------------------------------------------------
/**
* Returns the content type of this entry, or null if this
* property is not set.
*
* @return The content type.
*/
public String getContentType() {
return properties.get("content-type");
}
/**
* Returns this object's data field.
*
* @return The data.
*/
public byte[] getData() {
return getPayload();
}
protected void encodePayload() {
// Empty.
}
}