How can I get a the host name (with port) that a servlet is at

Question

I thought ServletContext might provide a method. Does the getAttribute() method of ServletContext provide any help i.e. is there an attribute name (maybe \"host\", \"port\")

Answer 1

@Everyone has a good answer. But taking scheme, server name and port then mergin them. There is a simpler way:

You can use HttpServletRequest.getRequestURL and HttpServletRequest.getRequestURI.

StringBuffer url = request.getRequestURL();
String uri = request.getRequestURI();
String host = url.substring(0, url.indexOf(uri)); //result