Java呼び出しサードパーティインタフェースツールクラス(json、form)

1、JSON値アクセス

/**
 *         
 * @param path            
 * @param data             ，           JSON       
 */
public static void interfaceUtil(String path,String data) {
    try {
        URL url = new URL(path);
        //   url     
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        //         
        conn.setRequestMethod("POST");
        //         
        conn.setRequestProperty("Content-Type", "application/json;charset=UTF-8");
        //      
        conn.setDoOutput(true);
        //      
        conn.setDoInput(true);
        //    ,     
        OutputStream outputStream = conn.getOutputStream();
        outputStream.write(data.getBytes("UTF-8"));
        //  URLConnection        
        InputStream is = conn.getInputStream();
        
        //         
        BufferedReader br = new BufferedReader(new InputStreamReader(is));
        String str = "";
        while ((str = br.readLine()) != null) {
            System.out.println(str);
        }
        String response = byteArrayOutputStream.toString();
        System.out.println(response);
        //   
        is.close();
        //    ，    ，disconnect    tcp socket        。               。
        //       ，   disconnect，     ，        。  disconnect     。
        conn.disconnect();
        System.out.println("    ");
    } catch (Exception e) {
        e.printStackTrace();
    }
}

 
 
2、formフォーム形式提出key-value値アクセス
 
key-value値を1つのMapに入れる

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.net.HttpURLConnection;
import java.net.URL;
import java.util.Map;
import java.util.Map.Entry;
import org.apache.log4j.Logger;

/**
 *         
 * @author wxd
 */
public class InterfaceUtil {

    private static final Logger logger = Logger.getLogger(InterfaceUtil.class);
    
    private static final int REQUEST_SUCCESS = 200;
    
    /**
     *         
     * @param path            
     * @param data             ，           JSON       
     */
    public static void postRequest(String path, Map params) {
        OutputStream outputStream = null;
        InputStream is = null;
        HttpURLConnection conn = null;
        URL url = null;
        try {
            //         
            StringBuffer sb = new StringBuffer(); 
            String sbRlt = null;
            if (params != null) {  
                for (Entry e : params.entrySet()) {  
                    sb.append(e.getKey());  
                    sb.append("=");  
                    sb.append(e.getValue());  
                    sb.append("&");  
                }  
                sbRlt = sb.substring(0, sb.length() - 1);  
            }  
            url = new URL(path);
            //   url     
            conn = (HttpURLConnection) url.openConnection();
            
            //         
            conn.setRequestMethod("POST");
            //         
            conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded;charset=UTF-8");
            //      
            conn.setDoOutput(true);
            //      
            conn.setDoInput(true);
            //    ,     
            outputStream = conn.getOutputStream();
            outputStream.write(sbRlt.getBytes("UTF-8"));
            //  URLConnection        
            is = conn.getInputStream();
            if(conn.getResponseCode() == REQUEST_SUCCESS) {
                //         
                BufferedReader br = new BufferedReader(new InputStreamReader(is));
                String str = "";
                while ((str = br.readLine()) != null) {
                    logger.info(str);
                    System.out.println(str);
                }
            }else {
                logger.error("    ");
                System.out.println("    ");
            }
        } catch (Exception e) {
            logger.error("    ");
            e.printStackTrace();
        } finally {
            if(is != null) {
                try {
                    is.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(outputStream != null) {
                try {
                    outputStream.close();
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            if(conn != null) {
                conn.disconnect();
            }
        }
    }
    
}