epost.data.go.kr

import java.io.BufferedInputStream;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.io.OutputStreamWriter;
import java.io.UnsupportedEncodingException;
import java.net.URL;
import java.net.URLConnection;

/**
 * 
 *
 */
public class Request {

  public static void main(String args[]) {
    testEPOST();
  }
  

  public static void testEPOST() {
    String u = "http://openapi.epost.go.kr/postal/retrieveLotNumberAdressService/"
      + "retrieveLotNumberAdressService/getComplexList?ServiceKey="
      + "2zqJV8fgr%2BJFC6UecKgnO9uBAe0fQwJG3fZUsuMbiaQlVhxeSlLKtMhk5KOj6zz"
      + "%2BfXfgOVgi1OANTbWyHsf%2FIQ%3D%3D&srchwrd="
      + "미수"
      + "&areaNm="
      + "강동구"
      + "&searchSe=or";
    Request request = null;
    String aLine = null;
    request = new Request(u);
    request.open();
    byte[] bu = new byte[1028];
    int len = request.readBytes(bu);
    try {
      System.out.println(new String(bu,0,len,"UTF-8"));
    } catch (UnsupportedEncodingException e) {
      e.printStackTrace();
    }
    request.close();
  }
 

  protected URL url = null;
  protected URLConnection connection = null;
  protected InputStream isReceive = null;
  protected BufferedInputStream bisReceive = null;
  protected InputStreamReader isrReceive = null;
  protected BufferedReader brReceive = null;
  protected OutputStream osSend = null;
  protected OutputStreamWriter oswSend = null;
  
  protected int bufferPosition = -1;
  
  public Request(String address) {
    try {
      url = new URL(address);
      connection = url.openConnection();
    } catch (Exception e) {
      e.printStackTrace();
    }
  }

  public boolean open() {
    try {
      isReceive = connection.getInputStream();
      bisReceive = new BufferedInputStream(isReceive);
      isrReceive = new InputStreamReader(isReceive);
      brReceive = new BufferedReader(isrReceive);
    } catch (Exception e) {
      e.printStackTrace();
      return false;
    }
    return true;
  }

  public int connect() {
    try {
      isReceive = connection.getInputStream();
      bisReceive = new BufferedInputStream(isReceive);
      isrReceive = new InputStreamReader(isReceive);
      brReceive = new BufferedReader(isrReceive);
    } catch (Exception e) {
      String msg = e.getMessage();
      int i = -1;
      if (-1 < (i = msg.indexOf("response code"))) {
        return Integer.parseInt(msg.substring(i + 15, i + 18));
      }
      return 999;
    }
    return 0;
  }

  public boolean post(String param) {
    if (null != connection) {
      try {
        connection.setDoOutput(true);
        connection.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=euc-kr"); 
        osSend = connection.getOutputStream();
        oswSend = new OutputStreamWriter(osSend);
        oswSend.write(param);
        oswSend.close();
      } catch (Exception e) {
        e.printStackTrace();
        return false;
      }
    }
    return true;
  }

  public boolean send(String param) {
    if (null != connection) {
      try {
        connection.setDoOutput(true);
        connection.setRequestProperty("content-type", "text/xml;charset=euc-kr");
        osSend = connection.getOutputStream();
        oswSend = new OutputStreamWriter(osSend);
        oswSend.write(param);
        oswSend.close();
      } catch (Exception e) {
        e.printStackTrace();
        return false;
      }
    }
    return true;
  }
  
  public String getCookie() {
    if (null != connection) {
      return connection.getHeaderField("Set-Cookie");
    } else {
      return null;
    }
  }
  
  public void setCookie(String c) {
    if (null != connection) {
      connection.addRequestProperty("Cookie", c);
    }
  }
  
  public boolean close() {
    try {
      if (null != brReceive) {
        brReceive.close();
        brReceive = null;
      }
      if (null != isrReceive) {
        isrReceive.close();
        isrReceive = null;
      }
      if (null != bisReceive) {
        bisReceive.close();
        bisReceive = null;
      }
    } catch (Exception e) {
      e.printStackTrace();
      return false;
    }
    return true;
  }
  
  public String readLine() {
    try {
      if (null != brReceive) {
        return brReceive.readLine();
      }
    } catch (Exception e) {
      e.printStackTrace();
    }
    return null;
  }
  
  public int readBytes(byte b[]) {
    try {
      if(null != bisReceive) {
        return bisReceive.read(b);
      }
    } catch (IOException e) {
      // TODO Auto-generated catch block
      e.printStackTrace();
      
    }
    return -1;
  }
}