/*
 * [BookMacroFileFilter.java]
 *
 * Summary: Filters accepting files of form 9789999999999.html.
 *
 * Copyright: (c) 2012-2017 Roedy Green, Canadian Mind Products, http://mindprod.com
 *
 * Licence: This software may be copied and used freely for any purpose but military.
 *          http://mindprod.com/contact/nonmil.html
 *
 * Requires: JDK 1.8+
 *
 * Created with: JetBrains IntelliJ IDEA IDE http://www.jetbrains.com/idea/
 *
 * Version History:
 *  1.0 2012-03-12 initial version
 */
package com.mindprod.stores;

import java.io.File;
import java.io.FilenameFilter;

/**
 * Filters accepting files of form 9789999999999.html.
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.0 2012-03-12 initial version
 * @since 2012-03-12
 */
final public class BookMacroFileFilter implements FilenameFilter
    {
    /**
     * Select only files with appropriate length.
     *
     * @param dir  the directory in which the file was found.
     * @param name the name of the file
     *
     * @return true if and only if the name should be included in the file list; false otherwise.
     */
    public boolean accept( File dir, String name )
        {
        final File file = new File( dir, name );
        return file.isFile() && name.length() == 13 + 5 && name.startsWith( "97" ) && name.endsWith( ".html" );
        }
    }