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.schedule;
  
  import java.io.File;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import com.alibaba.jstorm.utils.OlderFileFilter;
  
  /**
   * clean /nimbus/inbox jar every 600 seconds
   *
   * Default expire time is 3600 seconds
   *
   * @author lixin
   */
  public class CleanRunnable implements Runnable {
      private static Logger log = LoggerFactory.getLogger(CleanRunnable.class);
  
      private String dirLocation;
      private int seconds;
  
      public CleanRunnable(String dirLocation, int inbox_jar_expiration_secs) {
          this.dirLocation = dirLocation;
          this.seconds = inbox_jar_expiration_secs;
      }
  
      @Override
      public void run() {
          File inboxDir = new File(dirLocation);
          clean(inboxDir);
      }
  
      private void clean(File file) {
          // filter
          OlderFileFilter filter = new OlderFileFilter(seconds);
  
          File[] files = file.listFiles(filter);
          if (files == null) {
              return;
          }
          for (File f : files) {
              if (f.isFile()) {
                  log.info("Cleaning inbox ... deleted: " + f.getName());
                  try {
                      f.delete();
                  } catch (Exception e) {
                      log.error("Cleaning inbox ... error deleting:" + f.getName() + "," + e);
                  }
              } else {
                  clean(f);
                  File[] subFiles = f.listFiles();
                  if (subFiles == null || subFiles.length == 0) {
                      log.info("Cleaning inbox ... deleted: " + f.getName());
                      try {
                          f.delete();
                      } catch (Exception e) {
                          log.error("Cleaning inbox ... error deleting:" + f.getName() + "," + e);
                      }
                  }
              }
          }
      }
  
  }
  