by java , to read, write and modify excel file

				/*********************************************************************
				*
				*      Copyright (C) 2002 Andrew Khan
				*
				* This library 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 library 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 library; if not, write to the Free Software
				* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
				***************************************************************************/
				
				package jxl.format;
				
				/**
				 * The location of a border
				 */
				public /*final*/ class Border
				{
				  /**
				   * The string description
				   */
				  private String string;
				
				  /**
				   * Constructor
				   */
				  protected Border(String s)
				  {
				    string = s;
				  }
				
				  /**
				   * Gets the description
				   */
				  public String getDescription()
				  {
				    return string;
				  }
				
				  public final static Border NONE   = new Border("none");
				  public final static Border ALL    = new Border("all");
				  public final static Border TOP    = new Border("top");
				  public final static Border BOTTOM = new Border("bottom");
				  public final static Border LEFT   = new Border("left");
				  public final static Border RIGHT  = new Border("right");
				}