code: public String getSuffix() {
  		
  		String s = host;
  		
  		if (port != -1)
  			s = s + ":" + port;
  		
  		return s;
  	}
docs: Returns the suffix which is made up of the host name / IP address and
  port (if a non-default port is specified).
  
  <p>Example:
  
  <pre>
  http://example.com => example.com
  http://example.com:8080 => example.com:8080
  </pre>
  
  @return The suffix.