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.utils;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  import java.io.IOException;
  import java.net.ServerSocket;
  import java.net.Socket;
  import java.nio.channels.Selector;
  
  
  /**
   * an useful tools to close some streams or file descriptions
   * 
   * @author adyliu (imxylz@gmail.com)
   * @since 1.0
   */
  public final class Closer {
  
      private static final Logger closerLogger = LoggerFactory.getLogger(Closer.class);
  
      public static void close(java.io.Closeable closeable) throws IOException {
          close(closeable, closerLogger);
      }
  
      public static void close(java.io.Closeable closeable, Logger logger) throws IOException {
          if (closeable == null) return;
          try {
              closeable.close();
          } catch (IOException e) {
              logger.error(e.getMessage(), e);
              throw e;
          }
      }
  
      public static void closeQuietly(Selector selector) {
          closeQuietly(selector, closerLogger);
      }
  
      public static void closeQuietly(java.io.Closeable closeable, Logger logger) {
          if (closeable == null) return;
          try {
              closeable.close();
          } catch (IOException e) {
              logger.error(e.getMessage(), e);
          }
      }
  
      public static void closeQuietly(java.nio.channels.Selector closeable, Logger logger) {
          if (closeable == null) return;
          try {
              closeable.close();
          } catch (IOException e) {
              logger.error(e.getMessage(), e);
          }
      }
  
      public static void closeQuietly(Socket socket) {
          if (socket == null) return;
          try {
              socket.close();
          } catch (IOException e) {
              closerLogger.error(e.getMessage(), e);
          }
      }
  
      public static void closeQuietly(ServerSocket serverSocket){
          if(serverSocket == null)return;
          try {
              serverSocket.close();
          } catch (IOException e) {
              closerLogger.error(e.getMessage(),e);
          }
      }
      /**
       * Close a closeable object quietly(not throwing {@link IOException})
       * 
       * @param closeable A closeable object
       * @see java.io.Closeable
       */
      public static void closeQuietly(java.io.Closeable closeable) {
          closeQuietly(closeable, closerLogger);
      }
  }
  