/*
* Beryl - A web platform based on XML, XSLT and Java
* This file is part of the Beryl XML GUI
*
* Copyright (C) 2004 Wenzel Jakob <wazlaf@tigris.org>
*
* This program 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 program 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 02111-3107 USA
*/
package org.beryl.gui.validators;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import org.beryl.gui.InternationalizationManager;
import org.beryl.gui.View;
import org.beryl.gui.widgets.TextField;
;
/**
* A validator for dates in different formats
*/
public class DateFieldValidator implements Validator {
public static final SimpleDateFormat EUROPEAN_DATETIME = new SimpleDateFormat("dd.MM.yyyy HH:mm");
public static final SimpleDateFormat EUROPEAN_DATE = new SimpleDateFormat("dd.MM.yyyy");
public static final SimpleDateFormat US_DATETIME = new SimpleDateFormat("MM/dd/yyyy hh:mm a");
public static final SimpleDateFormat US_DATE = new SimpleDateFormat("MM/dd/yyyy");
private SimpleDateFormat format = null;
private int length = -1;
public DateFieldValidator(SimpleDateFormat format) {
this.format = format;
length = format.toPattern().length();
}
public void validate(View view) throws ValidationException {
TextField field = (TextField) view;
String text = field.getText();
try {
format.parse(field.getText());
if (text.length() != length)
throw new ValidationException(view, InternationalizationManager.getString("xmlgui.validator.date.invalid"));
} catch (ParseException e) {
throw new ValidationException(view, InternationalizationManager.getString("xmlgui.validator.date.invalid"));
}
}
}