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 /*
  * TeleStax, Open Source Cloud Communications
  * Copyright 2011-2016, TeleStax Inc. and individual contributors
  * by the @authors tag.
  *
  * This program is free software: you can redistribute it and/or modify
  * under the terms of the GNU Affero General Public License as
  * published by the Free Software Foundation; either version 3 of
  * the License, or (at your option) any later version.
  *
  * 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.  See the
  * GNU Affero General Public License for more details.
  *
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see 
  *
  * This file incorporates work covered by the following copyright and
  * permission notice:
  *
  *   JBoss, Home of Professional Open Source
  *   Copyright 2007-2011, Red Hat, Inc. and individual contributors
  *   by the @authors tag. See the copyright.txt in the distribution for a
  *   full listing of individual contributors.
  *
  *   This is free software; you can redistribute it and/or modify it
  *   under the terms of the GNU Lesser General Public License as
  *   published by the Free Software Foundation; either version 2.1 of
  *   the License, or (at your option) any later version.
  *
  *   This software 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. See the GNU
  *   Lesser General Public License for more details.
  *
  *   You should have received a copy of the GNU Lesser General Public
  *   License along with this software; if not, write to the Free
  *   Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  *   02110-1301 USA, or see the FSF site: http://www.fsf.org.
  */

package org.jdiameter.client.impl;

import org.jdiameter.api.Avp;
import org.jdiameter.api.AvpSet;
import org.jdiameter.api.Message;
import org.jdiameter.api.MetaData;

/**
 * Small util class to separate AVP manipulation code from MessageParser class.
 *
 * @author  Bartosz Baranowski 
 */
public class MessageUtility {

  private MessageUtility() {
  }

  /**
   * Used to set origin, previously done in MessageParser.
   *
   * @param m
   * @param md
   */
  public static void addOriginAvps(Message m, MetaData md) {
    // FIXME: check for "userFqnAsUri" ?
    AvpSet set = m.getAvps();
    if (set.getAvp(Avp.ORIGIN_HOST) == null) {
      m.getAvps().addAvp(Avp.ORIGIN_HOST, md.getLocalPeer().getUri().getFQDN(), true, false, true);
    }
    if (set.getAvp(Avp.ORIGIN_REALM) == null) {
      m.getAvps().addAvp(Avp.ORIGIN_REALM, md.getLocalPeer().getRealmName(), true, false, true);
    }
  }

}