FileFilter.java

/*
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 * This code is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * accompanied this code).
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package java.io;

/**
 * A filter for abstract pathnames.
 *
 * <p> Instances of this interface may be passed to the <code>{@link
 * File#listFiles(java.io.FileFilter) listFiles(FileFilter)}</code> method
 * of the <code>{@link java.io.File}</code> class.
 *
 * @since 1.2
 */
// 文件过滤器
@FunctionalInterface
public interface FileFilter {
    
    /**
     * Tests whether or not the specified abstract pathname should be included in a pathname list.
     *
     * @param pathname The abstract pathname to be tested
     *
     * @return <code>true</code> if and only if <code>pathname</code> should be included
     */
    // 是否接受pathname【文件/目录】
    boolean accept(File pathname);
}