/*
 * This code 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 code 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 program; if not, write to the Free 
 * Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, 
 * MA  02111-1307, USA.
 */
package no.geosoft.cc.directory;



/**
 * A class representing a symbolic link within a generic
 * directory structure.
 * 
 * @author <a href="mailto:jacob.dreyer@geosoft.no">Jacob Dreyer</a>
 */   
public class SymbolicLink extends DirectoryEntry
{
  private DirectoryEntry  actualEntry_;
  

  
  /**
   * Create a symbolic link of a specified actual entry.
   * 
   * @param actualEntry  The actual entry to create link of.
   */
  public SymbolicLink (DirectoryEntry actualEntry)
  {
    super (actualEntry.getName());
    actualEntry_ = actualEntry;
    actualEntry_.addSymbolicLink (this);
  }
  

  
  /**
   * Create a symbolic link of a specified actual entry and with
   * a specified name.
   *
   * @param actualEntry  The actual entry to create link of.
   * @param name         Name of this link.
   */
  public SymbolicLink (DirectoryEntry actualEntry, String name)
  {
    super (name);
    actualEntry_ = actualEntry;
    actualEntry_.addSymbolicLink (this);
  }


  
  /**
   * Return true if this symbolic link object represent a leaf entry.
   * 
   * @return  True if this is a leaf node, false otherwise.
   */
  public boolean isLeaf()
  {
    return actualEntry_.isLeaf();
  }


  
  // DEBUG
  public void print (int indent)
  {
    for (int i = 0; i < indent; i++)
      System.out.print (" ");
    System.out.println ("Link: " + getName());
  }
}