/*
    * Copyright (C) 2013 4th Line GmbH, Switzerland
    *
    * The contents of this file are subject to the terms of either the GNU
    * Lesser General Public License Version 2 or later ("LGPL") or the
    * Common Development and Distribution License Version 1 or later
    * ("CDDL") (collectively, the "License"). You may not use this file
    * except in compliance with the License. See LICENSE.txt for more
    * information.
   *
   * This program is distributed in the hope that it will be useful,
   * but WITHOUT ANY WARRANTY; without even the implied warranty of
   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
   */
  
  package org.fourthline.cling.model.message.header;
  
  import org.fourthline.cling.model.Constants;
  import org.fourthline.cling.model.types.HostPort;
  
  /**
   * @author Christian Bauer
   */
  public class HostHeader extends UpnpHeader<HostPort> {
  
      int port = Constants.UPNP_MULTICAST_PORT;
      String group = Constants.IPV4_UPNP_MULTICAST_GROUP;
  
      public HostHeader() {
          setValue(new HostPort(group, port));
      }
  
      public HostHeader(int port) {
          setValue(new HostPort(group, port));
      }
  
      public HostHeader(String host, int port) {
          setValue(new HostPort(host, port));
      }
  
      public void setString(String s) throws InvalidHeaderException {
          // UDA 1.1/1.0 section 1.2.2
          if (s.contains(":")) {
              // We have a port in the header, so we have to use that instead of the UDA default
              try {
                  this.port = Integer.valueOf(s.substring(s.indexOf(":")+1));
                  this.group = s.substring(0, s.indexOf(":"));
                  setValue(new HostPort(group, port));
              } catch (NumberFormatException ex) {
                  throw new InvalidHeaderException("Invalid HOST header value, can't parse port: " + s + " - " + ex.getMessage());
              }
          } else {
              this.group = s;
              setValue(new HostPort(group, port));
          }
      }
  
      public String getString() {
          return getValue().toString();
      }
  }