HttpUtils(2)

 

import java.io.BufferedReader;

import java.io.BufferedWriter;

import java.io.InputStreamReader;

import java.io.IOException;

import java.io.OutputStreamWriter;

import java.io.UnsupportedEncodingException;

import java.net.URL;

import java.net.HttpURLConnection;

import java.net.URLEncoder;

import java.util.ArrayList;

import java.util.Enumeration;

import java.util.Iterator;

import java.util.List;

import java.util.Map;

import java.util.Set;

 

import org.apache.commons.logging.Log;

import org.apache.commons.logging.LogFactory;

 

import java.util.HashMap;

 

/**

 *

 * <p>Title: </p>

 * <p>Description: http utils </p>

* <p>Company: </p>

* @version 1.0

 */

public class HttpUtils {

 

 

  private static final String URL_PARAM_CONNECT_FLAG = "&";

  private static Log log = LogFactory.getLog(HttpUtils.class);

 

  private HttpUtils() {

  }

 

  /**

   * GET METHOD

   * @param strUrl String

   * @param map Map

   * @throws IOException

   * @return List

   */

  public static List URLGet(String strUrl, Map map) throws IOException {

    String strtTotalURL = "";

    List result = new ArrayList();

    if(strtTotalURL.indexOf("?") == -1) {

      strtTotalURL = strUrl + "?" + getUrl(map);

    } else {

      strtTotalURL = strUrl + "&" + getUrl(map);

    }

    log.debug("strtTotalURL:" + strtTotalURL);

    URL url = new URL(strtTotalURL);

    HttpURLConnection con = (HttpURLConnection) url.openConnection();

    con.setUseCaches(false);

    con.setFollowRedirects(true);

    BufferedReader in = new BufferedReader(

        new InputStreamReader(con.getInputStream()));

    while (true) {

      String line = in.readLine();

      if (line == null) {

        break;

      }

      else {

               result.add(line);

      }

    }

    in.close();

    return (result);

  }

 

  /**

   * POST METHOD

   * @param strUrl String

   * @param content Map

   * @throws IOException

   * @return List

   */

  public static List URLPost(String strUrl, Map map) throws IOException {

 

    String content = "";

    content = getUrl(map);

    String totalURL = null;

    if(strUrl.indexOf("?") == -1) {

      totalURL = strUrl + "?" + content;

    } else {

      totalURL = strUrl + "&" + content;

    }

    URL url = new URL(strUrl);

    HttpURLConnection con = (HttpURLConnection) url.openConnection();

    con.setDoInput(true);

    con.setDoOutput(true);

    con.setAllowUserInteraction(false);

    con.setUseCaches(false);

    con.setRequestMethod("POST");

    con.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=GBK");

    BufferedWriter bout = new BufferedWriter(new OutputStreamWriter(con.

        getOutputStream()));

    bout.write(content);

    bout.flush();

    bout.close();

    BufferedReader bin = new BufferedReader(new InputStreamReader(con.

        getInputStream()));

    List result = new ArrayList();

    while (true) {

      String line = bin.readLine();

      if (line == null) {

        break;

      }

      else {

               result.add(line);

      }

    }

    return (result);

  }

 

  /**

   * ���URL

   * @param map Map

   * @return String

   */

  private static String getUrl(Map map) {

    if (null == map || map.keySet().size() == 0) {

      return ("");

    }

    StringBuffer url = new StringBuffer();

    Set keys = map.keySet();

    for (Iterator i = keys.iterator(); i.hasNext(); ) {

      String key = String.valueOf(i.next());

      if (map.containsKey(key)) {

              Object val = map.get(key);

              String str = val!=null?val.toString():"";

              try {

                            str = URLEncoder.encode(str, "GBK");

                   } catch (UnsupportedEncodingException e) {

                            e.printStackTrace();

                   }

        url.append(key).append("=").append(str).

            append(URL_PARAM_CONNECT_FLAG);

      }

    }

    String strURL = "";

    strURL = url.toString();

    if (URL_PARAM_CONNECT_FLAG.equals("" + strURL.charAt(strURL.length() - 1))) {

      strURL = strURL.substring(0, strURL.length() - 1);

    }

    return (strURL);

  }

 

}