Using java code to obtain access token code example of Sina Weibo application

In this article, we share the specific code of java code to obtain the specific code of access token of Sina Weibo application for your reference. The specific content is as follows

package test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.URI;
import java.net.URISyntaxException;

import org.apache.http.HttpEntity;
import org.apache.http.HttpHost;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.conn.params.ConnRoutePNames;
import org.apache.http.impl.client.DefaultHttpClient;

public class WeiboAccessTokenRequest 
{
	static public void main(String[] arg)
	{
		//System.setProperty("http.proxyHost", "proxy.wdf.diablo.corp");
		//System.setProperty("http.proxyPort", "8080");
		HttpClient httpclient = new DefaultHttpClient();  

		HttpPost post = new HttpPost();
		URI url;
		try 
		{
			//url = new URI("https://api.weibo.com/oauth2/access_token");
			String request = "https://api.weibo.com/oauth2/access_token?client_id=3921363495&client_secret=bac53e1f9c1e66514cf7410e39d581dd"
					+ "&grant_type=authorization_code&code=7420036e360713bab82f62a5275aaba7&redirect_uri=https://api.weibo.com/oauth2/default.html";
			url = new URI(request);
			post.setURI(url);
			HttpHost proxy = new HttpHost("proxy.wdf.sap.corp", 8080);
			httpclient.getParams().setParameter(ConnRoutePNames.DEFAULT_PROXY, proxy);

			/*post.addHeader("client_id", "3921363495");
			post.addHeader("client_secret", "bac53e1f9c1e66514cf7410e39d581dd");
			post.addHeader("grant_type", "authorization_code");
			post.addHeader("code", "7420036e360713bab82f62a5275aaba7");
			post.addHeader("redirect_uri", "https://api.weibo.com/oauth2/default.html");*/

			HttpResponse response = httpclient.execute(post);
			HttpEntity entity = response.getEntity();   
			if (entity == null)
			{
				System.out.println("response is null!");
				return;
			}   
			InputStream instreams = entity.getContent();   
			String str = convertStreamToString(instreams);  
			System.out.println("Do something");  
			System.out.println(str);  
		} 
		catch (Exception e) 
		{
			e.printStackTrace();
		}
	}
		
	public static String convertStreamToString(InputStream is) 
	{    
		BufferedReader reader = new BufferedReader(new InputStreamReader(is));    
		StringBuilder sb = new StringBuilder();    
		String line = null;    
		try {    
			while ((line = reader.readLine()) != null) {  
				sb.append(line + "\n");    
				}    
		} catch (IOException e) {    
			e.printStackTrace();    
		} finally {    
			try {    
				is.close();    
			} catch (IOException e) {    
				e.printStackTrace();    
			}    
		}    
		return sb.toString();    
	}  

}