content: /**
   * 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);
  
      }
  
  }
  