/**
 * Copyright (c) 2002-2012 "Neo Technology,"
 * Network Engine for Objects in Lund AB [http://neotechnology.com]
 *
 * This file is part of Neo4j.
 *
 * Neo4j is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * 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 Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
 */
package org.neo4j.com;

import java.io.IOException;
import java.nio.ByteBuffer;
import java.nio.channels.ReadableByteChannel;

import org.jboss.netty.buffer.ChannelBuffer;

public class ToNetworkStoreWriter implements StoreWriter
{
    private final ChannelBuffer targetBuffer;

    public ToNetworkStoreWriter( ChannelBuffer targetBuffer )
    {
        this.targetBuffer = targetBuffer;
    }

    public void write( String path, ReadableByteChannel data, ByteBuffer temporaryBuffer,
            boolean hasData ) throws IOException
    {
        char[] chars = path.toCharArray();
        targetBuffer.writeShort( chars.length );
        Protocol.writeChars( targetBuffer, chars );
        targetBuffer.writeByte( hasData ? 1 : 0 );
        // TODO Make use of temporaryBuffer?
        BlockLogBuffer buffer = new BlockLogBuffer( targetBuffer );
        if ( hasData )
        {
            buffer.write( data );
            buffer.done();
        }
    }

    public void done()
    {
        targetBuffer.writeShort( 0 );
    }
}