booleancell.java

专业为java开发的用于和excel交互的api函数。可以方便访问excel

/*********************************************************************
*
*      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;

/**
 * This type represents the Microsoft concept of a Boolean.  Accordingly, this
 * cell represents either TRUE, FALSE or an error condition.  This third
 * state naturally makes handling BooleanCells quite tricky, and use of
 * the specific access methods should be handled with care
 */
public interface BooleanCell extends Cell
{
  /**
   * Gets the boolean value stored in this cell.  If this cell contains an
   * error, then returns FALSE.  Always query this cell type using the
   * accessor method isError() prior to calling this method
   *
   * @return TRUE if this cell contains TRUE, FALSE if it contains FALSE or
   * an error code
   */
  public boolean getValue();
}