package ca.ubc.cs.spl.aspectPatterns.examples.composite.java;
/* -*- Mode: Java; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This file is part of the design patterns project at UBC
*
* 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
* either http://www.mozilla.org/MPL/ or http://aspectj.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 ca.ubc.cs.spl.aspectPatterns.
*
* For more details and the latest version of this code, please see:
* http://www.cs.ubc.ca/labs/spl/projects/aodps.html
*
* Contributor(s):
*/
/**
* Implements a <i>Leaf</i>. Leafs have no children.
*
* @author Jan Hannemann
* @author Gregor Kiczales
* @version 1.1, 02/06/04
*
* @see Directory
*/
public class File implements FileSystemComponent {
/**
* stores the name for this File
*/
protected String name;
/**
* stores the size for this File
*/
protected int size;
/**
* Creates a new File with a given name and size
*
* @param name the name for the new File
* @param size the size for the new File
*/
public File(String name, int size) {
this.name = name;
this.size = size;
}
/**
* Overwrites the <code>toString()</code> method from <code>Object</code>
* to print information about this object
*/
public String toString() {
return ("File: "+name+" ("+size+" KB)");
}
/**
* Adds a child to the Component. Since Files have no
* children, this method does nothing.
*
* @param component the child to add
*/
public void add(FileSystemComponent component) {}
/**
* Removes a child from the Component. Since Files have no
* children, this method does nothing.
*
* @param component the child to add
*/
public void remove(FileSystemComponent component) {}
/**
* Returns a child of the Component. Since Files are <i>Leaf</i>s, they
* don't have any children. Thus, this method returns null.
*
* @param index the position of the child
* @return always null, since Files do not have children
*/
public FileSystemComponent getChild(int index) {
return null;
}
/**
* Returns the number of chilren this Component has. Since Files
* are <i>Leaf</i>s, they don't have any children. Thus, this method
* returns 0.
*
* @returns always 0, since Files do not have children
*/
public int getChildCount() {
return 0;
}
/**
* Returns the size of this File
*
* @return the size of this File (on disk)
*/
public int getSize() {
return size;
}
}