jetty-io/src/main/java/org/eclipse/jetty/io/Buffers.java

// ========================================================================
// Copyright (c) 2004-2009 Mort Bay Consulting Pty. Ltd.
// ------------------------------------------------------------------------
// All rights reserved. This program and the accompanying materials
// are made available under the terms of the Eclipse Public License v1.0
// and Apache License v2.0 which accompanies this distribution.
// The Eclipse Public License is available at 
// http://www.eclipse.org/legal/epl-v10.html
// The Apache License v2.0 is available at
// http://www.opensource.org/licenses/apache2.0.php
// You may elect to redistribute this code under either of these licenses. 
// ========================================================================

package org.eclipse.jetty.io;


/* ------------------------------------------------------------ */
/** BufferSource.
 * Represents a pool or other source of buffers and abstracts the creation
 * of specific types of buffers (eg NIO).   The concept of big and little buffers
 * is supported, but these terms have no absolute meaning and must be determined by context.
 * 
 */
public interface Buffers
{
    enum Type { BYTE_ARRAY, DIRECT, INDIRECT } ;
    
    Buffer getHeader();
    Buffer getBuffer();
    Buffer getBuffer(int size);
    
    void returnBuffer(Buffer buffer);
}