maildirfilenamefilter.java

mail sent and revesive system jsp+mysql

/*
 * MaildirFolder.java
 * Copyright (C) 1999 fengyun <[e-mail]>
 */
package fengyun.Fastmail.Maildir;

import java.io.*;

/**
 * 选取消息的过滤器
 * @author fengyun
 * @version 1.01
 */
public class MaildirFilenameFilter implements FilenameFilter {
	char flag = '*';
	MaildirFilenameFilter(char flag) {
		this.flag = flag;
	}
	public boolean accept(File dir,String name) {
		File file = new File(dir.getAbsolutePath() + File.separator + name);
		if (flag == '/' && file.isDirectory()) return true;
		if (flag !='/' && file.exists() && file.isFile()) {
			if (flag == '*') return true;
			int cur	= name.indexOf(".");
			String s = name.substring(cur+1,cur+2);
			return s.equals(String.valueOf(flag));
		}
		return false;
	}
}