CustomerHttpClient.java

package com.kitty.poclient.util;

import org.apache.http.HttpVersion;
import org.apache.http.client.HttpClient;
import org.apache.http.conn.ClientConnectionManager;
import org.apache.http.conn.params.ConnManagerParams;
import org.apache.http.conn.scheme.PlainSocketFactory;
import org.apache.http.conn.scheme.Scheme;
import org.apache.http.conn.scheme.SchemeRegistry;
import org.apache.http.conn.ssl.SSLSocketFactory;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.impl.conn.tsccm.ThreadSafeClientConnManager;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.HttpConnectionParams;
import org.apache.http.params.HttpParams;
import org.apache.http.params.HttpProtocolParams;
import org.apache.http.protocol.HTTP;

public class CustomerHttpClient
{
    private static final String CHARSET = HTTP.UTF_8;
    private static HttpClient customerHttpClient;

    private CustomerHttpClient()
    {
    }

    public static synchronized HttpClient getHttpClient()
    {
        if (null == customerHttpClient)
        {
            HttpParams params = new BasicHttpParams();
            /* 设置一些基本参数 */
            HttpProtocolParams.setVersion(params, HttpVersion.HTTP_1_1);
            HttpProtocolParams.setContentCharset(params, CHARSET);
            HttpProtocolParams.setUseExpectContinue(params, true);
            HttpProtocolParams.setUserAgent(params,"Mozilla/5.0(Linux;U;Android 2.2.1;en-us;Nexus One Build.FRG83) "
                                    + "AppleWebKit/553.1(KHTML,like Gecko) Version/4.0 Mobile Safari/533.1");
            /* 超时设置 */
            /* 从连接池中取连接的超时时间 */
            ConnManagerParams.setTimeout(params, 30000);
            /* 连接超时 */
            HttpConnectionParams.setConnectionTimeout(params, 30000);
            /* 请求超时 */
            HttpConnectionParams.setSoTimeout(params, 30000);
     
            /* 设置我们的HttpClient支持HTTP和HTTPS两种模式 */
            SchemeRegistry schReg = new SchemeRegistry();
            schReg.register(new Scheme("http", PlainSocketFactory
                    .getSocketFactory(), 80));
            schReg.register(new Scheme("https", SSLSocketFactory
                    .getSocketFactory(), 443));

            /* 使用线程安全的连接管理来创建HttpClient */
            ClientConnectionManager conMgr = new ThreadSafeClientConnManager(
                    params, schReg);
            customerHttpClient = new DefaultHttpClient(conMgr, params);
        }
        return customerHttpClient;
    }
    
    public static void ShutDown(){
    	if(customerHttpClient!=null){
    		customerHttpClient.getConnectionManager().shutdown();
    		customerHttpClient = null;
    	}
    }
    
}