httpclient4.2.1最新版连接池配置

    public class ConnectionManager {
	static final int TIMEOUT = 20000;//连接超时时间
	static final int SO_TIMEOUT = 60000;//数据传输超时
	
	public static DefaultHttpClient getHttpClient(){
		SchemeRegistry schemeRegistry = new SchemeRegistry();
		schemeRegistry.register(
				new Scheme("http",80,PlainSocketFactory.getSocketFactory()));
		schemeRegistry.register(
				new Scheme("https", 443, SSLSocketFactory.getSocketFactory()));
		
		PoolingClientConnectionManager  cm = new PoolingClientConnectionManager(schemeRegistry);
		cm.setMaxTotal(200);
		cm.setDefaultMaxPerRoute(20);
		
		HttpParams params = new BasicHttpParams();
		params.setParameter(CoreConnectionPNames.CONNECTION_TIMEOUT,TIMEOUT);
		params.setParameter(CoreConnectionPNames.SO_TIMEOUT, SO_TIMEOUT);
		
		DefaultHttpClient client = new DefaultHttpClient(cm,params);
		return client;
	}
}