001/* 002 * The contents of this file are subject to the terms of the Common Development and 003 * Distribution License (the License). You may not use this file except in compliance with the 004 * License. 005 * 006 * You can obtain a copy of the License at legal/CDDLv1.0.txt. See the License for the 007 * specific language governing permission and limitations under the License. 008 * 009 * When distributing Covered Software, include this CDDL Header Notice in each file and include 010 * the License file at legal/CDDLv1.0.txt. If applicable, add the following below the CDDL 011 * Header, with the fields enclosed by brackets [] replaced by your own identifying 012 * information: "Portions Copyright [year] [name of copyright owner]". 013 * 014 * Copyright 2006-2008 Sun Microsystems, Inc. 015 * Portions Copyright 2014-2016 ForgeRock AS. 016 */ 017package org.opends.server.loggers; 018import org.forgerock.i18n.LocalizableMessage; 019 020 021import org.forgerock.opendj.server.config.server.SizeLimitLogRotationPolicyCfg; 022import org.forgerock.opendj.config.server.ConfigurationChangeListener; 023import org.opends.server.types.InitializationException; 024import org.forgerock.opendj.config.server.ConfigChangeResult; 025import org.forgerock.opendj.config.server.ConfigException; 026 027import java.util.List; 028 029/** This class implements a rotation policy based on the size of the file. */ 030public class SizeBasedRotationPolicy implements 031 RotationPolicy<SizeLimitLogRotationPolicyCfg>, 032 ConfigurationChangeListener<SizeLimitLogRotationPolicyCfg> 033{ 034 private long sizeLimit; 035 036 SizeLimitLogRotationPolicyCfg currentConfig; 037 038 @Override 039 public void initializeLogRotationPolicy(SizeLimitLogRotationPolicyCfg config) 040 throws ConfigException, InitializationException 041 { 042 sizeLimit = config.getFileSizeLimit(); 043 044 config.addSizeLimitChangeListener(this); 045 currentConfig = config; 046 } 047 048 @Override 049 public boolean isConfigurationChangeAcceptable( 050 SizeLimitLogRotationPolicyCfg config, List<LocalizableMessage> unacceptableReasons) 051 { 052 // Changes should always be OK 053 return true; 054 } 055 056 @Override 057 public ConfigChangeResult applyConfigurationChange( 058 SizeLimitLogRotationPolicyCfg config) 059 { 060 sizeLimit = config.getFileSizeLimit(); 061 currentConfig = config; 062 063 return new ConfigChangeResult(); 064 } 065 066 /** 067 * This method indicates if the log file should be 068 * rotated or not. 069 * 070 * @param writer The multi file text writer writing the log file. 071 * @return true if the file needs to be rotated, false otherwise. 072 */ 073 @Override 074 public boolean rotateFile(RotatableLogFile writer) 075 { 076 long fileSize = writer.getBytesWritten(); 077 return fileSize >= sizeLimit; 078 } 079 080}