package com.ab.http;

import java.io.IOException;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.UnknownHostException;

import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSocket;
import javax.net.ssl.TrustManager;

import org.apache.http.conn.ConnectTimeoutException;
import org.apache.http.conn.scheme.LayeredSocketFactory;
import org.apache.http.conn.scheme.SocketFactory;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;


/**
 * © 2012 amsoft.cn
 * 名称：EasySSLProtocolSocketFactory.java 
 * 描述：SSL自签名的实现类
 *
 * @author 还如一梦中
 * @version v1.0
 * @date：2013-11-13 上午9:00:52
 */
public class EasySSLProtocolSocketFactory implements SocketFactory,
		LayeredSocketFactory {

	private SSLContext sslcontext = null;

	private static SSLContext createEasySSLContext() throws IOException {
		try {
			SSLContext context = SSLContext.getInstance("TLS");
			context.init(null, new TrustManager[] { new EasyX509TrustManager(
					null) }, null);
			return context;
		} catch (Exception e) {
			throw new IOException(e.getMessage());
		}
	}

	private SSLContext getSSLContext() throws IOException {
		if (this.sslcontext == null) {
			this.sslcontext = createEasySSLContext();
		}
		return this.sslcontext;
	}

	@Override
	public Socket connectSocket(Socket sock, String host, int port,
			InetAddress localAddress, int localPort, HttpParams params)
			throws IOException, UnknownHostException, ConnectTimeoutException {
		int connTimeout = HttpConnectionParams.getConnectionTimeout(params);
		int soTimeout = HttpConnectionParams.getSoTimeout(params);

		InetSocketAddress remoteAddress = new InetSocketAddress(host, port);
		SSLSocket sslsock = (SSLSocket) ((sock != null) ? sock : createSocket());

		if ((localAddress != null) || (localPort > 0)) {
			// we need to bind explicitly
			if (localPort < 0) {
				localPort = 0; // indicates "any"
			}
			InetSocketAddress isa = new InetSocketAddress(localAddress,
					localPort);
			sslsock.bind(isa);
		}

		sslsock.connect(remoteAddress, connTimeout);
		sslsock.setSoTimeout(soTimeout);
		return sslsock;

	}

	@Override
	public Socket createSocket() throws IOException {
		return getSSLContext().getSocketFactory().createSocket();
	}

	@Override
	public boolean isSecure(Socket socket) throws IllegalArgumentException {
		return true;
	}

	@Override
	public Socket createSocket(Socket socket, String host, int port,
			boolean autoClose) throws IOException, UnknownHostException {
		return getSSLContext().getSocketFactory().createSocket(socket, host,
				port, autoClose);
	}

	@Override
	public boolean equals(Object obj) {
		return ((obj != null) && obj.getClass().equals(
				EasySSLProtocolSocketFactory.class.getClass()));
	}

	@Override
	public int hashCode() {
		return EasySSLProtocolSocketFactory.class.hashCode();
	}

}