001/* 002 * Logback: the reliable, generic, fast and flexible logging framework. 003 * Copyright (C) 1999-2025, QOS.ch. All rights reserved. 004 * 005 * This program and the accompanying materials are dual-licensed under 006 * either the terms of the Eclipse Public License v1.0 as published by 007 * the Eclipse Foundation 008 * 009 * or (per the licensee's choosing) 010 * 011 * under the terms of the GNU Lesser General Public License version 2.1 012 * as published by the Free Software Foundation. 013 */ 014 015package ch.qos.logback.core.rolling.helper; 016 017import ch.qos.logback.core.spi.ContextAwareBase; 018import ch.qos.logback.core.util.FileUtil; 019 020import java.io.File; 021 022abstract public class CompressionStrategyBase extends ContextAwareBase implements CompressionStrategy { 023 024 static final int BUFFER_SIZE = 65536; 025 026 void createMissingTargetDirsIfNecessary(File file) { 027 boolean result = FileUtil.createMissingParentDirectories(file); 028 if (!result) { 029 addError("Failed to create parent directories for [" + file.getAbsolutePath() + "]"); 030 } 031 } 032}