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 io.jafka;
  
  import java.io.File;
  
  import io.jafka.utils.Utils;
  
  /**
   * @author adyliu (imxylz@gmail.com)
   * @since 1.0
   */
  public class DataLogCleaner {
  
      public static final String defaultBuildPath = "./build";
  
      public static final String defaultDataLogPath = defaultBuildPath + "/data";
  
      public static final File defaultBuildDir = Utils.getCanonicalFile(new File(defaultBuildPath));
  
      public static final File defaultDataLogDir = Utils.getCanonicalFile(new File(defaultDataLogPath));
  
      public static void cleanDataLogDir() {
          cleanDataLogDir(defaultBuildDir);
      }
  
      public static void cleanDataLogDir(File dir) {
          if (!dir.exists()) return;
          File[] subs = dir.listFiles();
          if (subs != null) {
              for (File f : dir.listFiles()) {
                  if (f.isFile()) {
                      if(!f.delete()) {
                          throw new IllegalStateException("delete file failed: "+f);
                      }
                  } else {
                      cleanDataLogDir(f);
                  }
              }
          }
          if(!dir.delete()) {
              throw new IllegalStateException("delete directory failed: "+dir);
          }
      }
  }
  