/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package com.alibaba.jstorm.utils; import java.io.File; import java.io.FileFilter; /** * filter the older file, skip the files' modify time which is less sec than now * * @author lixin * */ public class OlderFileFilter implements FileFilter { private int seconds; public OlderFileFilter(int seconds) { this.seconds = seconds; } @Override public boolean accept(File pathname) { long current_time = System.currentTimeMillis(); return (pathname.lastModified() + seconds * 1000 <= current_time) ; } public static void main(String[] args) { long current_time = System.currentTimeMillis(); String test = "test"; File file = new File(test); file.delete(); file.mkdir(); file.setLastModified(current_time); JStormUtils.sleepMs(10 * 1000); File newFile = new File(test); System.out.println("modify time: " + newFile.lastModified() + ", raw:" + current_time); } }