Package org.beryl.gui.validators

Source Code of org.beryl.gui.validators.DoubleValidator

/*
* 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 org.beryl.gui.InternationalizationManager;
import org.beryl.gui.View;
import org.beryl.gui.widgets.TextField;

/**
* A validator for floating point numbers
*/
public class DoubleValidator implements Validator {
  public void validate(View view) throws ValidationException {
    TextField field = (TextField) view;
    String text = field.getText();

    try {
      Double.parseDouble(text);
    } catch (NumberFormatException e) {
      throw new ValidationException(view, InternationalizationManager.getString("xmlgui.validator.number.invalid"));
    }
  }
}
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