SYSU Argo api JAVA

Argo.java

package edu.sysu.bbs;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.Map;

import org.json.JSONException;
import org.json.JSONObject;

public class Argo {
	private static Argo instance = null;
	private static String SERVER = "http://bbs.sysu.edu.cn";
	
	public static Argo getInstance() {
		if (instance == null)
			instance = new Argo();
		return instance;
	}
	
	public JSONObject get(String apiurl, Map<String, Object> param) {
		try {
			URL url = new URL(SERVER + apiurl);
			HttpURLConnection connection = (HttpURLConnection) url.openConnection();
			connection.setRequestMethod("GET");
			connection.setFollowRedirects(true);
			connection.setDoInput(true);
			connection.setDoOutput(true);
			connection.connect();
			
			PrintWriter pWriter = new PrintWriter(connection.getOutputStream());
			JSONObject object = new JSONObject(param);
			pWriter.print(object.toString());
			pWriter.flush();
			pWriter.close();
			
			if (connection.getResponseCode() == 200) {
				InputStreamReader isReader = new InputStreamReader(connection.getInputStream());
				BufferedReader br = new BufferedReader(isReader);
				
				JSONObject obj = new JSONObject(br.readLine());
				return obj;
			}
			
		} catch (MalformedURLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		return null;
	}
	
	public JSONObject post(String apiurl, Map<String, Object> param) {
		try {
			URL url = new URL(SERVER + apiurl);
			HttpURLConnection connection = (HttpURLConnection) url.openConnection();
			connection.setRequestMethod("POST");
			connection.setFollowRedirects(true);
			connection.setDoInput(true);
			connection.setDoOutput(true);
			connection.connect();
			
			PrintWriter pWriter = new PrintWriter(connection.getOutputStream());
			JSONObject object = new JSONObject(param);
			pWriter.print(object.toString());
			pWriter.flush();
			pWriter.close();
			
			if (connection.getResponseCode() == 200) {
				InputStreamReader isReader = new InputStreamReader(connection.getInputStream());
				BufferedReader br = new BufferedReader(isReader);
				
				return new JSONObject(br.readLine());
			}
			
		} catch (MalformedURLException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		} catch (JSONException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
		
		return null;
	}
}

ArgoTest.java

import java.util.HashMap;

import org.json.JSONObject;

import edu.sysu.bbs.Argo;


public class ArgoTest {
	public static void main(String[] argv) {
		Argo argo = Argo.getInstance();
		JSONObject object = argo.get("/ajax/board/all/", new HashMap<String, Object>());
		System.out.println(object.toString());
	}
}