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/*
 * Copyright 2015-2017 GenerallyCloud.com
 *  
 * Licensed 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 com.generallycloud.baseio.acceptor;

import java.io.IOException;
import java.net.InetSocketAddress;

import com.generallycloud.baseio.component.AioSocketChannelContext;
import com.generallycloud.baseio.component.NioSocketChannelContext;
import com.generallycloud.baseio.component.SocketChannelContext;
import com.generallycloud.baseio.concurrent.Waiter;
import com.generallycloud.baseio.protocol.ChannelWriteFuture;
import com.generallycloud.baseio.protocol.ReadFuture;

/**
 * @author wangkai
 *
 */
public class SocketChannelAcceptor implements ChannelAcceptor {

	private AbstractSocketChannelAcceptor _channelAcceptor;

	public SocketChannelAcceptor(SocketChannelContext context) {
		this._channelAcceptor = buildConnector(context);
	}

	private AbstractSocketChannelAcceptor unwrap() {
		return _channelAcceptor;
	}

	@Override
	public void unbind() throws IOException {
		unwrap().unbind();
	}

	@Override
	public Waiter asynchronousUnbind() throws IOException {
		return unwrap().asynchronousUnbind();
	}

	@Override
	public SocketChannelContext getContext() {
		return unwrap().getContext();
	}

	@Override
	public InetSocketAddress getServerSocketAddress() {
		return unwrap().getServerSocketAddress();
	}

	@Override
	public boolean isActive() {
		return unwrap().isActive();
	}

	@Override
	public void bind() throws IOException {
		unwrap().bind();
	}

	@Override
	public void broadcast(ReadFuture future) {
		unwrap().broadcast(future);
	}

	@Override
	public int getManagedSessionSize() {
		return unwrap().getManagedSessionSize();
	}

	private AbstractSocketChannelAcceptor buildConnector(SocketChannelContext context) {
		if (context instanceof NioSocketChannelContext) {
			return new NioSocketChannelAcceptor((NioSocketChannelContext) context);
		} else if (context instanceof AioSocketChannelContext) {
			return new AioSocketChannelAcceptor((AioSocketChannelContext) context);
		}
		throw new IllegalArgumentException("context");
	}
	
	@Override
	public void broadcast(ChannelWriteFuture future) {
		unwrap().broadcast(future);
	}
	
}