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 2003 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 * Implement this interface in any class that wants to use processing or validation services.
027 * 
028 * @see com.izforge.izpack.panels.Processor
029 * @see com.izforge.izpack.panels.Validator
030 * 
031 * @version 0.0.1 / 2/22/03
032 * @author Elmar Grom
033 */
034/*---------------------------------------------------------------------------*/
035public interface ProcessingClient
036{
037
038    /*--------------------------------------------------------------------------*/
039    /**
040     * Returns the number of sub-fields.
041     * 
042     * @return the number of sub-fields
043     */
044    /*--------------------------------------------------------------------------*/
045    public int getNumFields();
046
047    /*--------------------------------------------------------------------------*/
048    /**
049     * Returns the contents of the field indicated by <code>index</code>.
050     * 
051     * @param index the index of the sub-field from which the contents is requested.
052     * 
053     * @return the contents of the indicated sub-field.
054     * 
055     * @exception IndexOutOfBoundsException if the index is out of bounds.
056     */
057    /*--------------------------------------------------------------------------*/
058    public String getFieldContents(int index);
059}
060/*---------------------------------------------------------------------------*/