/*
 * [OnlyMatch.java]
 *
 * Summary: FilenameFilter for just matching exe or dll file, no directories.
 *
 * 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 2012-01-09 initial version.
 */
package com.mindprod.which;

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

/**
 * FilenameFilter for just matching exe or dll file, no directories.
 *
 * @author Roedy Green, Canadian Mind Products
 * @version 1.0 2012-01-09 initial version.
 * @since 2012-01-09
 */
final class OnlyMatch implements FilenameFilter
    {
    /**
     * name of exe file to look for
     */
    private final String toMatch;

    /**
     * constructor
     *
     * @param toMatch unqualified name of exe file to search for, ending in .exe
     */
    OnlyMatch( final String toMatch )
        {
        this.toMatch = toMatch;
        }

    /**
     * Select only Files with an extension in our want list
     *
     * @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 f = new File( dir, name );
        return !f.isDirectory() && name.equalsIgnoreCase( toMatch );
        }
    }