001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache license, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. 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.apache.logging.log4j.core.appender.rolling.action; 018 019import java.nio.file.Path; 020import java.nio.file.attribute.BasicFileAttributes; 021import java.util.Objects; 022 023import org.apache.logging.log4j.core.Core; 024import org.apache.logging.log4j.core.config.plugins.Plugin; 025import org.apache.logging.log4j.core.config.plugins.PluginElement; 026import org.apache.logging.log4j.core.config.plugins.PluginFactory; 027 028/** 029 * Wrapper {@code PathCondition} that accepts objects that are rejected by the wrapped component filter. 030 */ 031@Plugin(name = "IfNot", category = Core.CATEGORY_NAME, printObject = true) 032public final class IfNot implements PathCondition { 033 034 private final PathCondition negate; 035 036 private IfNot(final PathCondition negate) { 037 this.negate = Objects.requireNonNull(negate, "filter"); 038 } 039 040 public PathCondition getWrappedFilter() { 041 return negate; 042 } 043 044 /* 045 * (non-Javadoc) 046 * @see org.apache.logging.log4j.core.appender.rolling.action.PathCondition#accept(java.nio.file.Path, java.nio.file.Path, java.nio.file.attribute.BasicFileAttributes) 047 */ 048 @Override 049 public boolean accept(final Path baseDir, final Path relativePath, final BasicFileAttributes attrs) { 050 return !negate.accept(baseDir, relativePath, attrs); 051 } 052 053 /* 054 * (non-Javadoc) 055 * @see org.apache.logging.log4j.core.appender.rolling.action.PathCondition#beforeFileTreeWalk() 056 */ 057 @Override 058 public void beforeFileTreeWalk() { 059 negate.beforeFileTreeWalk(); 060 } 061 062 /** 063 * Create an IfNot PathCondition. 064 * 065 * @param condition The condition to negate. 066 * @return An IfNot PathCondition. 067 */ 068 @PluginFactory 069 public static IfNot createNotCondition( 070 @PluginElement("PathConditions") final PathCondition condition) { 071 return new IfNot(condition); 072 } 073 074 @Override 075 public String toString() { 076 return "IfNot(" + negate + ")"; 077 } 078}