package cn.zhou.test;



import java.io.BufferedReader;

import java.io.ByteArrayOutputStream;

import java.io.IOException;

import java.io.InputStream;

import java.io.InputStreamReader;

import java.util.ArrayList;

import java.util.List;

import java.util.Map;



import org.apache.http.Consts;

import org.apache.http.HttpEntity;

import org.apache.http.HttpResponse;

import org.apache.http.NameValuePair;

import org.apache.http.client.CookieStore;

import org.apache.http.client.entity.UrlEncodedFormEntity;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.client.methods.HttpPost;

import org.apache.http.client.params.CookiePolicy;

import org.apache.http.client.params.HttpClientParams;

import org.apache.http.cookie.Cookie;

import org.apache.http.impl.client.BasicCookieStore;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.impl.cookie.BasicClientCookie;

import org.apache.http.message.BasicNameValuePair;

import org.apache.http.params.BasicHttpParams;

import org.apache.http.params.HttpParams;



public class HttpManager {

	public static final String DEFAULT_CHARSET = "UTF-8";

	private static final HttpManager instance = new HttpManager();

	private DefaultHttpClient client = new DefaultHttpClient();

	private HttpManager(){

		HttpClientParams.setCookiePolicy(client.getParams(),CookiePolicy.BROWSER_COMPATIBILITY);

		client.getParams().setParameter("http.protocol.single-cookie-header", true);

		CookieStore cookieStore = new BasicCookieStore();

		cookieStore.addCookie(new BasicClientCookie("BDUSS", "VpBeHNMMUVuQ0o3c2pXZ0tQYXB3SWpjTG1rZTVvQzZ3OHRaTHpDTkZVSm00RkpSQVFBQUFBJCQAAAAAAAAAAAEAAABtnVkYyvq-ocC0vdkAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGZTK1FmUytRR"));

		cookieStore.addCookie(new BasicClientCookie("BAIDUID", "1BE2294325A5959BFC652195D4C6754F:FG=1"));

		cookieStore.addCookie(new BasicClientCookie("BAIDU_WISE_UID", "EAC7E7B67B6423D0053B993B87A7DC2A"));

		client.setCookieStore(cookieStore);

	}

	public static HttpManager getHttpManager(){

		return instance;

	}

	/**

	 * 执行一个HTTP GET请求，返回请求响应的HTML

	 * 

	 * @param url

	 *            请求的URL地址

	 * @param queryString

	 *            请求的查询参数,可以为null

	 * @return 返回请求响应的HTML

	 */

	public String doGet(String url, Map<String, Object> queryParams) {

		StringBuffer sb = new StringBuffer();

		HttpGet method = new HttpGet(url);

		if (queryParams != null) {

			HttpParams params = new BasicHttpParams();

			for (Map.Entry<String, Object> pv : queryParams.entrySet()) {

				params.setParameter(pv.getKey(), pv.getValue());

			}

			method.setParams(params);

		}

		BufferedReader br = null;

		try {

			HttpResponse response = client.execute(method);

			HttpEntity entity = response.getEntity();

			InputStream ips = entity.getContent();

			br = new BufferedReader(new InputStreamReader(ips, DEFAULT_CHARSET));