001/*
002 * This library is part of OpenCms -
003 * the Open Source Content Management System
004 *
005 * Copyright (c) Alkacon Software GmbH & Co. KG (http://www.alkacon.com)
006 *
007 * This library is free software; you can redistribute it and/or
008 * modify it under the terms of the GNU Lesser General Public
009 * License as published by the Free Software Foundation; either
010 * version 2.1 of the License, or (at your option) any later version.
011 *
012 * This library is distributed in the hope that it will be useful,
013 * but WITHOUT ANY WARRANTY; without even the implied warranty of
014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
015 * Lesser General Public License for more details.
016 *
017 * For further information about Alkacon Software, please see the
018 * company website: http://www.alkacon.com
019 *
020 * For further information about OpenCms, please see the
021 * project website: http://www.opencms.org
022 *
023 * You should have received a copy of the GNU Lesser General Public
024 * License along with this library; if not, write to the Free Software
025 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
026 */
027
028package org.opencms.gwt.client.validation;
029
030import org.opencms.gwt.client.ui.input.I_CmsFormField;
031
032/**
033 * This interface is used to tell an object that it should either validate a form
034 * field or request an asynchronous validation from a {@link I_CmsValidationController}.<p>
035 *
036 * @since 8.0.0
037 */
038public interface I_CmsValidator {
039
040    /**
041     * If this method is called, the object should either validate the form field and report the result to the
042     * validation controller, or request asynchronous validation of the field from the validation controller.<p>
043     *
044     * @param field the form field to be validated
045     * @param controller the validation controller
046     */
047    void validate(I_CmsFormField field, I_CmsValidationController controller);
048}