/*
* 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 gnu.regexp.RE;
import org.beryl.gui.GUIException;
import org.beryl.gui.InternationalizationManager;
import org.beryl.gui.View;
import org.beryl.gui.widgets.TextField;
/**
* A validator which accepts international phone numbers or an empty string
* @author Marc Sommer
*/
public class PhoneOrEmptyValidator implements Validator {
private static final String sPattern = "^\\+[1-9]{2,2}\\s[0-9]{2,10}\\s[0-9]{2,10}\\-{0,1}[0-9]{1,7}$";
public void validate(View view) throws ValidationException, GUIException {
TextField field = (TextField) view;
String validationString = field.getText();
if (validationString.trim().length() >= 1) {
RE r = null;
try {
r = new RE(sPattern);
} catch (Exception e) {
throw new GUIException("Error while constructing a regular expression", e);
}
if (r != null) {
if (!r.isMatch(validationString)) {
throw new ValidationException(view, InternationalizationManager.getString("xmlgui.validator.phone.invalid"));
}
}
}
}
}