CloseableUtil.java

  1. /**
  2.  *
  3.  * Copyright 2018-2019 Florian Schmaus
  4.  *
  5.  * Licensed under the Apache License, Version 2.0 (the "License");
  6.  * you may not use this file except in compliance with the License.
  7.  * You may obtain a copy of the License at
  8.  *
  9.  *     http://www.apache.org/licenses/LICENSE-2.0
  10.  *
  11.  * Unless required by applicable law or agreed to in writing, software
  12.  * distributed under the License is distributed on an "AS IS" BASIS,
  13.  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14.  * See the License for the specific language governing permissions and
  15.  * limitations under the License.
  16.  */
  17. package org.jivesoftware.smack.util;

  18. import java.io.Closeable;
  19. import java.io.IOException;
  20. import java.util.logging.Level;
  21. import java.util.logging.Logger;

  22. public class CloseableUtil {

  23.     public static void maybeClose(Closeable closable) {
  24.         maybeClose(closable, null);
  25.     }

  26.     public static void maybeClose(Closeable closable, Logger logger) {
  27.         if (closable == null) {
  28.             return;
  29.         }

  30.         try {
  31.             closable.close();
  32.         } catch (IOException e) {
  33.             if (logger != null) {
  34.                 logger.log(Level.WARNING, "Could not close " + closable, e);
  35.             }
  36.         }
  37.     }
  38. }