Getting the Response Headers from an HTTP Connection : HttpURLConnection « Network Protocol « Java

1. Java
2. Network Protocol
3. HttpURLConnection

Getting the Response Headers from an HTTP Connection

    

import java.net.URL;
import java.net.URLConnection;

public class Main {
  public static void main(String[] argv) throws Exception {
    URL url = new URL("http://hostname:80");
    URLConnection conn = url.openConnection();

    for (int i = 0;; i++) {
      String headerName = conn.getHeaderFieldKey(i);
      String headerValue = conn.getHeaderField(i);
      System.out.println(headerName);
      System.out.println(headerValue);

      if (headerName == null && headerValue == null) {
        System.out.println("No more headers");
        break;
      }
    }
  }
}

   
    
    
    
  

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