textfieldinputvalidator.java

主要是对串口驱动的的一些控制源码！！！ 在下载javacomm20-win32.zip后就可以使用。

/**
 * $Log: TextFieldInputValidator.java,v $
 * Revision 1.2  2003/02/12 16:38:55  willaxt
 * adjusted to new InputValidatorItem constructor
 *
 * Revision 1.1  2003/01/30 10:12:21  willaxt
 * initial version
 *
 * Revision 1.1  2003/01/16 13:10:54  mwulff
 * initial version
 *
 * Revision 1.4  2003/01/02 18:47:37  mwulff
 * no message
 *
 * Revision 1.3  2002/12/15 16:53:18  mwulff
 * no message
 *
 * Revision 1.2  2002/12/08 17:09:37  mwulff
 * no message
 *
 * Revision 1.1  2002/12/08 11:23:38  mwulff
 * initial version
 *
 */
package de.fhm.jkf.test.cl;

import de.fhm.jkf.gui.InputValidator;
import de.fhm.jkf.gui.InputValidatorItem;
import de.fhm.jkf.gui.Validatable;



/**
 * @author	marten wulff
 * 
 * * <br><br><center><table border="1" width="80%"><hr>
 * <strong><a href="http://jkf.sourceforge.net">The JKF Project</a></strong>
 * <p>
 * Copyright (C) 2002 by Marten Wulff
 * <p>
 * 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.
 * <p>
 * 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.
 * <p>
 * You should have received a copy of the <a href="http://www.gnu.org/copyleft/lesser.html">
 * GNU Lesser General Public License</a> along with this library; if not, write to
 * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
 * MA  02111-1307  USA
 * <hr></table></center>
 */
public class TextFieldInputValidator implements InputValidator {

	public TextFieldInputValidator() {
		super();
	}

	public InputValidatorItem validateInput(Validatable toValidate) {
		String data = (String)toValidate.getValidationInformation();
		if (data == null || data.equals("")) {
			return new InputValidatorItem(toValidate);
		}
		
		try {
			Integer.parseInt(data);
			return new InputValidatorItem(toValidate);
		} catch(Exception ex) {			
			String message = data + " is no valid input";
			return new InputValidatorItem(toValidate, message);
		}
	}
}