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The Netty project is an effort to provide an asynchronous event-driven network application framework and tools for rapid development of maintainable high performance and high scalability protocol servers and clients. In other words, Netty is a NIO client server framework which enables quick and easy development of network applications such as protocol servers and clients. It greatly simplifies and streamlines network programming such as TCP and UDP socket server.

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/*
 * Copyright 2009 Red Hat, Inc.
 *
 * Red Hat licenses this file to you under the Apache License, version 2.0
 * (the "License"); you may not use this file except in compliance with the
 * License.  You may obtain a copy of the License at:
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */
package org.jboss.netty.buffer;

import java.nio.ByteOrder;

/**
 * A skeletal implementation of {@link ChannelBufferFactory}.
 *
 * @author The Netty Project
 * @author Trustin Lee
 *
 * @version $Rev: 2080 $, $Date: 2010-01-26 18:04:19 +0900 (Tue, 26 Jan 2010) $
 */
public abstract class AbstractChannelBufferFactory implements ChannelBufferFactory {

    private final ByteOrder defaultOrder;

    /**
     * Creates a new factory whose default {@link ByteOrder} is
     * {@link ByteOrder#BIG_ENDIAN}.
     */
    protected AbstractChannelBufferFactory() {
        this(ByteOrder.BIG_ENDIAN);
    }

    /**
     * Creates a new factory with the specified default {@link ByteOrder}.
     *
     * @param defaultOrder the default {@link ByteOrder} of this factory
     */
    protected AbstractChannelBufferFactory(ByteOrder defaultOrder) {
        if (defaultOrder == null) {
            throw new NullPointerException("defaultOrder");
        }
        this.defaultOrder = defaultOrder;
    }

    public ChannelBuffer getBuffer(int capacity) {
        return getBuffer(getDefaultOrder(), capacity);
    }

    public ChannelBuffer getBuffer(byte[] array, int offset, int length) {
        return getBuffer(getDefaultOrder(), array, offset, length);
    }

    public ByteOrder getDefaultOrder() {
        return defaultOrder;
    }
}