public void fun(URLConnection connection) {
try {
connection.connect();
// print header fields
Map<String, List<String>> headers = connection.getHeaderFields();
for (Map.Entry<String, List<String>> entry : headers.entrySet()) {
String key = entry.getKey();
for (String value : entry.getValue()) System.out.println(key + ": " + value);
}
// print convenience functions
System.out.println("----------");
System.out.println("getContentType: " + connection.getContentType());
System.out.println("getContentLength: " + connection.getContentLength());
System.out.println("getContentEncoding: " + connection.getContentEncoding());
System.out.println("getDate: " + connection.getDate());
System.out.println("getExpiration: " + connection.getExpiration());
System.out.println("getLastModifed: " + connection.getLastModified());
System.out.println("----------");
Scanner in = new Scanner(connection.getInputStream());
// print first ten lines of contents
for (int n = 1; in.hasNextLine() && n <= 10; n++) System.out.println(in.nextLine());
if (in.hasNextLine()) System.out.println(". . .");
} catch (IOException e) {
e.printStackTrace();
}
}
