Get the document expiration date : HttpURLConnection « Network Protocol « Java

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Java » Network Protocol » HttpURLConnection

Get the document expiration date


    



import java.net.HttpURLConnection;

import java.net.URL;

import java.util.Date;



public class Main{

  public static void main(String args[]) throws Exception {

    URL url = new URL("http://www.google.com");

    HttpURLConnection httpCon = (HttpURLConnection) url.openConnection();



    long date = httpCon.getExpiration();

    if (date == 0)

      System.out.println("No expiration information.");

    else

      System.out.println("Expires: " + new Date(date));



 }

}

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4.	Show the content length
5.	Display request method
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7.	Display response message
8.	Display header information
9.	Download and display the content
10.	A Web Page Source Viewer
11.	Reading from a URLConnection
12.	Use BufferedReader to read content from a URL
13.	Check if a page exists
14.	Identify ourself to a proxy
15.	Connect through a Proxy
16.	Preventing Automatic Redirects in a HTTP Connection
17.	Converting x-www-form-urlencoded Data
18.	Getting the Cookies from an HTTP Connection
19.	Sending a Cookie to an HTTP Server
20.	Getting the Response Headers from an HTTP Connection
21.	java.net.Authenticator can be used to send the credentials when needed
22.	Grabbing a page using socket
23.	Http Header Helper
24.	Http connection Utilities
25.	Available Port Finder

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