content: /*
   * $Header$
   * $Revision$
   * $Date$
   *
   * ====================================================================
   *
   * Copyright 2000-2002 bob mcwhirter & James Strachan.
   * All rights reserved.
   *
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   * 
   *   * Redistributions of source code must retain the above copyright
   *     notice, this list of conditions and the following disclaimer.
   * 
   *   * Redistributions in binary form must reproduce the above copyright
   *     notice, this list of conditions and the following disclaimer in the
   *     documentation and/or other materials provided with the distribution.
   * 
   *   * Neither the name of the Jaxen Project nor the names of its
   *     contributors may be used to endorse or promote products derived 
   *     from this software without specific prior written permission.
   * 
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
   * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
   * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
   * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
   * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
   * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
   * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   *
   * ====================================================================
   * This software consists of voluntary contributions made by many
   * individuals on behalf of the Jaxen Project and was originally
   * created by bob mcwhirter <bob@werken.com> and
   * James Strachan <jstrachan@apache.org>.  For more information on the
   * Jaxen Project, please see <http://www.jaxen.org/>.
   *
   * $Id$
   */
  package org.jaxen.expr;
  
  import java.util.Collections;
  import java.util.List;
  
  import org.jaxen.Context;
  import org.jaxen.ContextSupport;
  import org.jaxen.JaxenException;
  import org.jaxen.Navigator;
  import org.jaxen.util.SingletonList;
  
  /**
   * @deprecated this class will become non-public in the future;
   *     use the interface instead
   */
  public class DefaultAbsoluteLocationPath extends DefaultLocationPath 
  {
      /**
       * 
       */
      private static final long serialVersionUID = 2174836928310146874L;
  
      public DefaultAbsoluteLocationPath()
      {
      }
  
      public String toString()
      {
          return "[(DefaultAbsoluteLocationPath): " + super.toString() + "]";
      }
  
      public boolean isAbsolute() 
      {
          return true;
      }
  
      public String getText()
      {
          return "/" + super.getText();
      }
  
      public Object evaluate(Context context) throws JaxenException
      {
          ContextSupport support = context.getContextSupport();
          Navigator      nav     = support.getNavigator();
          Context absContext = new Context( support );
          List contextNodes = context.getNodeSet();
  
          if ( contextNodes.isEmpty() )
          {
              return Collections.EMPTY_LIST;
          }
  
          Object firstNode = contextNodes.get( 0 );
          Object docNode   = nav.getDocumentNode( firstNode );
  
          if ( docNode == null )
          {
              return Collections.EMPTY_LIST;
          }
  
          List list = new SingletonList(docNode);
  
          absContext.setNodeSet( list );
  
          return super.evaluate( absContext );
      }
  
  }
  
  