豆瓣学习 --模拟http 操作 登陆等

附录 google的一个解析xml的包 但是估计 都用json

这个老师讲的很好 虽然是很老的知识了,,.

import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;

import net.htmlparser.jericho.Source;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.CookieStore;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;

import com.google.gdata.client.douban.DoubanService;


public class TestGetAccessToken {

	/**
	 * @param args
	 */
	public static void main(String[] args) throws Exception{
		//1.我们去豆瓣申请一个api key secret. 
		String apiKey = "0c51c1ba21ad8cfd24f5452e6508a6f7";
		String secret = "359e16e5e5c62b6e";

		DoubanService myService = new DoubanService("黑马小瓣瓣", apiKey,
				secret);

		System.out.println("please paste the url in your webbrowser, complete the authorization then come back:");
		// 2.获取到授权的链接地址 
		String url = myService.getAuthorizationUrl(null);
		System.out.println(url);
		//手动的访问浏览器 点击同意按钮 
		// 通过httpclient 模拟 用户点击同意的事件 
		//用httpclient 打开 登陆界面  保存登陆成功的cookie http://www.douban.com/accounts/login
		// 当用户在浏览器里面点击登陆的按钮的时候 
		// 实际上是往服务器发送了一个post的信息 
		//source=simple&
		//redir=http%3A%2F%2Fwww.douban.com&
		//form_email=itcastweibo@sina.cn&form_password=a11111&user_login=%E7%99%BB%E5%BD%95
		HttpPost httppost = new HttpPost("http://www.douban.com/accounts/login");
		//设置http post请求提交的数据 
		List<NameValuePair> namevaluepairs  = new ArrayList<NameValuePair>();
		namevaluepairs.add(new BasicNameValuePair("source", "simple"));
		namevaluepairs.add(new BasicNameValuePair("redir", "http://www.douban.com"));
		namevaluepairs.add(new BasicNameValuePair("form_email", "itcastweibo@sina.cn"));
		namevaluepairs.add(new BasicNameValuePair("form_password", "a11111"));
//		namevaluepairs.add(new BasicNameValuePair("captcha-solution","lecture"));
//		namevaluepairs.add(new BasicNameValuePair("captcha-id","RLdtpHPUmC9h9mKZQ7EleeET"));
		
		namevaluepairs.add(new BasicNameValuePair("user_login", "登录"));
		
		UrlEncodedFormEntity entity = new UrlEncodedFormEntity(namevaluepairs,"utf-8");
		httppost.setEntity(entity);
		//  创建一个浏览器 
		DefaultHttpClient client = new DefaultHttpClient();
		// 完成了用户登陆豆瓣的操作 
		HttpResponse response = client.execute(httppost);
	    System.out.println(response.getStatusLine().getStatusCode());
	    Source source  = new Source(response.getEntity().getContent());
	    System.out.println( source.toString());
	    
	    
		// 获取登陆成功的cookie 
	    CookieStore  cookie =  client.getCookieStore();
	    
	    
	    //带着cookie访问豆瓣认证网站 
	    // 模拟用户点击 同意按钮 
	    //ck=Rw1e&oauth_token=6817c2017cc375dc38474604764a6194&
	    //oauth_callback=&ssid=9d9af9b0&confirm=%E5%90%8C%E6%84%8F
		
	    HttpPost post1 = new HttpPost(url);

	    String oauth_token =  url.substring(url.lastIndexOf("=")+1, url.length()); 
	    System.out.println(oauth_token);
	    List<NameValuePair> namevaluepairs1  = new ArrayList<NameValuePair>();
	    namevaluepairs1.add(new BasicNameValuePair("ck","Rw1e"));
	    namevaluepairs1.add(new BasicNameValuePair("oauth_token",oauth_token));
	    namevaluepairs1.add(new BasicNameValuePair("oauth_callback",""));
	    namevaluepairs1.add(new BasicNameValuePair("ssid","9d9af9b0"));
	    namevaluepairs1.add(new BasicNameValuePair("confirm","同意"));
	    UrlEncodedFormEntity entity1 = new UrlEncodedFormEntity(namevaluepairs1,"utf-8");
	    post1.setEntity(entity1);
	    DefaultHttpClient client2 = new DefaultHttpClient();
	    client2.setCookieStore(cookie);
	    HttpResponse  respose1 =   client2.execute(post1);
	    InputStream is = respose1.getEntity().getContent();
	    ByteArrayOutputStream bos = new ByteArrayOutputStream();
	    byte[] buffer = new byte[1024];
	    int len= 0;
	    while((len = is.read(buffer))!=-1){
	    	bos.write(buffer, 0, len);
	    }
	    is.close();
	    System.out.println(new String( bos.toByteArray()));
	    
		//3. 获取到授权后的令牌和密钥
		ArrayList<String>  tokens = myService.getAccessToken();
		System.out.println(tokens.get(0));
		System.out.println(tokens.get(1));
	    
	}

}