001/*
002 * IzPack - Copyright 2001-2005 Julien Ponge, All Rights Reserved.
003 * 
004 * http://www.izforge.com/izpack/
005 * http://developer.berlios.de/projects/izpack/
006 * 
007 * Copyright 2002 Elmar Grom
008 * 
009 * Licensed under the Apache License, Version 2.0 (the "License");
010 * you may not use this file except in compliance with the License.
011 * You may obtain a copy of the License at
012 * 
013 *     http://www.apache.org/licenses/LICENSE-2.0
014 *     
015 * Unless required by applicable law or agreed to in writing, software
016 * distributed under the License is distributed on an "AS IS" BASIS,
017 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
018 * See the License for the specific language governing permissions and
019 * limitations under the License.
020 */
021
022package com.izforge.izpack.panels;
023
024/*---------------------------------------------------------------------------*/
025/**
026 * Interface for classes that provide rule validation services.
027 * 
028 * @version 0.0.1 / 10/26/02
029 * @author Elmar Grom
030 */
031/*---------------------------------------------------------------------------*/
032public interface Validator
033{
034
035    /*--------------------------------------------------------------------------*/
036    /**
037     * Validates the contend of an input field.
038     * 
039     * @param client the client object using the services of this validator.
040     * 
041     * @return <code>true</code> if the validation passes, otherwise <code>false</code>.
042     */
043    /*--------------------------------------------------------------------------*/
044    public boolean validate(ProcessingClient client);
045}
046/*---------------------------------------------------------------------------*/