/** * 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.leansoft.luxun.utils; import java.io.IOException; import java.net.Socket; import org.slf4j.Logger; import org.slf4j.LoggerFactory; /** * an useful tools to close some streams or file descriptions * */ 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(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(Socket socket) { if (socket == null) return; try { socket.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); } }