/*
 * Copyright (c) 1998-2012 Caucho Technology -- all rights reserved
 *
 * This file is part of Resin(R) Open Source
 *
 * Each copy or derived work must preserve the copyright notice and this
 * notice unmodified.
 *
 * Resin Open Source is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * Resin Open Source 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, or any warranty
 * of NON-INFRINGEMENT.  See the GNU General Public License for more
 * details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Resin Open Source; if not, write to the
 *
 *   Free Software Foundation, Inc.
 *   59 Temple Place, Suite 330
 *   Boston, MA 02111-1307  USA
 *
 * @author Scott Ferguson
 */

package com.caucho.jsp.java;

import com.caucho.jsp.JspParseException;
import com.caucho.vfs.WriteStream;
import com.caucho.xml.QName;

import java.io.IOException;

/**
 * Special generator for a JSF f:facet tag.
 */
public class JsfFacetNode extends JsfNode {
  private static final QName NAME = new QName("name");
  
  private String _name;

  public String getName()
  {
    return _name;
  }
  
  /**
   * Adds an attribute.
   */
  public void addAttribute(QName name, String value)
    throws JspParseException
  {
    if (NAME.equals(name))
      _name = value;
    else
      super.addAttribute(name, value);
  }

  /**
   * Returns the variable containing the jsf component
   */
  public String getJsfVar()
  {
    if (_parent != null)
      return _parent.getJsfVar();
    else
      return null;
  }

  /**
   * Returns the variable containing the jsf body
   */
  public String getJsfBodyVar()
  {
    if (_parent != null)
      return _parent.getJsfBodyVar();
    else
      return null;
  }

  /**
   * Generates the XML text representation for the tag validation.
   *
   * @param os write stream to the generated XML.
   */
  public void printXml(WriteStream os)
    throws IOException
  {
    printXmlChildren(os);
  }
  
  /**
   * Generates the code for the c:if tag.
   */
  public void generate(JspJavaWriter out)
    throws Exception
  {
    generateChildren(out);
  }
}
