/*
 * The contents of this file are subject to the Mozilla Public License Version 1.1
 * (the "License"); you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at <http://www.mozilla.org/MPL/>.
 * 
 * Software distributed under the License is distributed on an "AS IS" basis, WITHOUT
 * WARRANTY OF ANY KIND, either express or implied. See the License for the specific
 * language governing rights and limitations under the License.
 * 
 * The Original Code is the Venice Web Communities System.
 * 
 * The Initial Developer of the Original Code is Eric J. Bowersox <erbo@silcom.com>,
 * for Silverwrist Design Studios.  Portions created by Eric J. Bowersox are
 * Copyright (C) 2001 Eric J. Bowersox/Silverwrist Design Studios.  All Rights Reserved.
 * 
 * Contributor(s): 
 */
package com.silverwrist.venice.ui.conf.jsp;

import javax.servlet.jsp.*;
import javax.servlet.jsp.tagext.*;
import com.silverwrist.venice.core.*;
import com.silverwrist.venice.ui.*;

public class TopicCanPostTag extends VeniceConfTagSupport
{
  /*--------------------------------------------------------------------------------
   * Overrides from class TagSupport
   *--------------------------------------------------------------------------------
   */

  public int doStartTag() throws JspException
  {
    TopicContext topic = getTopic();
    if (topic==null)
      throw new JspTagException("<topic:can_post/> tag - topic not defined!");
    ConferenceContext conf = getConference();  // if topic is non-null, conference is, too

    boolean flag1 = conf.canPostToConference();
    boolean flag2 = (topic.isFrozen() ? topic.canFreeze() : true);
    boolean flag3 = (topic.isArchived() ? topic.canArchive() : true);

    return ((flag1 && flag2 && flag3) ? EVAL_BODY_INCLUDE : SKIP_BODY);

  } // end doStartTag

} // end class TopicCanPostTag
