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package com.majiaxueyuan.util;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.util.Map;

public class HttpUtil {
	/**
	 * Get Request
	 * 
	 * @param url url
	 * @param parameters parameters
	 * @return result
	 */
	public static String sendGet(String url, Map parameters) {
		String result = "";
		BufferedReader in = null;
		StringBuffer sb = new StringBuffer();
		String params = "";
		try {
			if (parameters.size() == 1) {
				for (String name : parameters.keySet()) {
					sb.append(name).append("=").append(java.net.URLEncoder.encode(parameters.get(name), "UTF-8"));
				}
				params = sb.toString();
			} else {
				for (String name : parameters.keySet()) {
					sb.append(name).append("=").append(java.net.URLEncoder.encode(parameters.get(name), "UTF-8"))
							.append("&");
				}
				String temp_params = sb.toString();
				params = temp_params.substring(0, temp_params.length() - 1);
			}
			String full_url = url + "?" + params;
			java.net.URL connURL = new java.net.URL(full_url);
			java.net.HttpURLConnection httpConn = (java.net.HttpURLConnection) connURL.openConnection();
			httpConn.setRequestProperty("Accept", "*/*");
			httpConn.setRequestProperty("Connection", "Keep-Alive");
			httpConn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)");
			httpConn.connect();
			in = new BufferedReader(new InputStreamReader(httpConn.getInputStream(), "UTF-8"));
			String line;
			while ((line = in.readLine()) != null) {
				result += line;
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (in != null) {
					in.close();
				}
			} catch (IOException ex) {
				ex.printStackTrace();
			}
		}
		return result;
	}

	/**
	 * Post Request
	 * 
	 * @param url url
	 * @param parameters parameters
	 * @return result
	 */
	public static String sendPost(String url, Map parameters) {
		String result = "";
		BufferedReader in = null;
		PrintWriter out = null;
		StringBuffer sb = new StringBuffer();
		String params = "";
		try {
			if (parameters.size() == 1) {
				for (String name : parameters.keySet()) {
					sb.append(name).append("=").append(java.net.URLEncoder.encode(parameters.get(name), "UTF-8"));
				}
				params = sb.toString();
			} else {
				for (String name : parameters.keySet()) {
					sb.append(name).append("=").append(java.net.URLEncoder.encode(parameters.get(name), "UTF-8"))
							.append("&");
				}
				String temp_params = sb.toString();
				params = temp_params.substring(0, temp_params.length() - 1);
			}
			java.net.URL connURL = new java.net.URL(url);
			java.net.HttpURLConnection httpConn = (java.net.HttpURLConnection) connURL.openConnection();
			httpConn.setRequestProperty("Accept", "*/*");
			httpConn.setRequestProperty("Connection", "Keep-Alive");
			httpConn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)");
			httpConn.setDoInput(true);
			httpConn.setDoOutput(true);
			out = new PrintWriter(httpConn.getOutputStream());
			out.write(params);
			out.flush();
			in = new BufferedReader(new InputStreamReader(httpConn.getInputStream(), "UTF-8"));
			String line;
			while ((line = in.readLine()) != null) {
				result += line;
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (out != null) {
					out.close();
				}
				if (in != null) {
					in.close();
				}
			} catch (IOException ex) {
				ex.printStackTrace();
			}
		}
		return result;
	}

	/**
	 * @param url url
	 * @param parameters parameters
	 * @return Return:String Description:Send Post with JSON
	 */
	public static String sendPostJson(String url, Map parameters) {
		String result = "";
		BufferedReader in = null;
		PrintWriter out = null;
		String params = "";
		try {
			if (parameters != null && parameters.size() > 0) {
				params = FastJsonUtil.toJSONString(parameters);
			}
			java.net.URL connURL = new java.net.URL(url);
			java.net.HttpURLConnection httpConn = (java.net.HttpURLConnection) connURL.openConnection();
			httpConn.setRequestProperty("Accept", "*/*");
			httpConn.setRequestProperty("Connection", "Keep-Alive");
			httpConn.setRequestProperty("User-Agent", "Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1)");
			httpConn.setDoInput(true);
			httpConn.setDoOutput(true);
			out = new PrintWriter(httpConn.getOutputStream());
			out.write(params);
			out.flush();
			in = new BufferedReader(new InputStreamReader(httpConn.getInputStream(), "UTF-8"));
			String line;
			while ((line = in.readLine()) != null) {
				result += line;
			}
		} catch (Exception e) {
			e.printStackTrace();
		} finally {
			try {
				if (out != null) {
					out.close();
				}
				if (in != null) {
					in.close();
				}
			} catch (IOException ex) {
				ex.printStackTrace();
			}
		}
		return result;
	}
}