001/** 002 * 003 * Copyright 2018-2019 Florian Schmaus 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017package org.jivesoftware.smack.util; 018 019import java.io.Closeable; 020import java.io.IOException; 021import java.util.logging.Level; 022import java.util.logging.Logger; 023 024public class CloseableUtil { 025 026 public static void maybeClose(Closeable closable) { 027 maybeClose(closable, null); 028 } 029 030 public static void maybeClose(Closeable closable, Logger logger) { 031 if (closable == null) { 032 return; 033 } 034 035 try { 036 closable.close(); 037 } catch (IOException e) { 038 if (logger != null) { 039 logger.log(Level.WARNING, "Could not close " + closable, e); 040 } 041 } 042 } 043}