BE THE CODER > Tools and Libs > Commons Http Client

Commons Http Client is a HTTP agent implementation in java supporting client-side authentication, HTTP state management and HTTP connection management. This requires the libraries httpclient-4.1.2.jar, httpcore-4.1.2.jar, httpmime-4.1.2.jar, httpclient-cache-4.1.2.jar, commons-codec.jar and commons-logging-1.1.1.jar to be in classpath. The following example shows how to read cookies through Http Client.

File Name :	com/bethecoder/tutorials/commons_httpclient/GetCookiesTest.java
Author :	Sudhakar KV
Email :	[email protected]


package com.bethecoder.tutorials.commons_httpclient;



import java.io.IOException;

import java.util.List;



import org.apache.http.Header;

import org.apache.http.HttpResponse;

import org.apache.http.client.ClientProtocolException;

import org.apache.http.client.CookieStore;

import org.apache.http.client.HttpClient;

import org.apache.http.client.methods.HttpGet;

import org.apache.http.client.protocol.ClientContext;

import org.apache.http.cookie.Cookie;

import org.apache.http.impl.client.BasicCookieStore;

import org.apache.http.impl.client.DefaultHttpClient;

import org.apache.http.protocol.BasicHttpContext;

import org.apache.http.protocol.HttpContext;

import org.apache.http.util.EntityUtils;



public class GetCookiesTest {



  /**

   * @param args

   */

  public static void main(String[] args) {

    HttpClient httpclient = new DefaultHttpClient();

    HttpGet httpget = new HttpGet("http://finance.google.com/finance/info?client=ig&q=NASDAQ:GOOG");

    System.out.println("Requesting : " + httpget.getURI());



    try {

      //Create a local instance of cookie store

            CookieStore cookieStore = new BasicCookieStore();



            //Create local HTTP context

            HttpContext localContext = new BasicHttpContext();

            

            //Bind custom cookie store to the local context

            localContext.setAttribute(ClientContext.COOKIE_STORE, cookieStore);

            

            //Get Response

            HttpResponse response = httpclient.execute(httpget, localContext);



            //Get Headers

            Header [] headers = response.getAllHeaders();

            for (Header header : headers) {

              System.out.println(" --> " + header.getName() + ":" + header.getValue());

            }

            

            //Get Cookies

            System.out.println("\n\nCookies : ");

            List<Cookie> cookies = cookieStore.getCookies();

            for (int i = 0; i < cookies.size(); i++) {

                System.out.println("Cookie: " + cookies.get(i));

            }

            

      System.out.println("\n\nResponse : ");

      if (response.getEntity() != null) {

        System.out.println(EntityUtils.toString(response.getEntity()));

      }

      

    } catch (ClientProtocolException e) {

      e.printStackTrace();

    } catch (IOException e) {

      e.printStackTrace();

    } finally {

       httpclient.getConnectionManager().shutdown();

    }

  }



}

How to read Cookies