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.config.plugins.Plugin; 024import org.apache.logging.log4j.core.config.plugins.PluginElement; 025import org.apache.logging.log4j.core.config.plugins.PluginFactory; 026 027/** 028 * Wrapper {@code PathCondition} that accepts objects that are rejected by the wrapped component filter. 029 */ 030@Plugin(name = "IfNot", category = "Core", printObject = true) 031public final class IfNot implements PathCondition { 032 033 private final PathCondition negate; 034 035 private IfNot(final PathCondition negate) { 036 this.negate = Objects.requireNonNull(negate, "filter"); 037 } 038 039 public PathCondition getWrappedFilter() { 040 return negate; 041 } 042 043 /* 044 * (non-Javadoc) 045 * @see org.apache.logging.log4j.core.appender.rolling.action.PathCondition#accept(java.nio.file.Path, java.nio.file.Path, java.nio.file.attribute.BasicFileAttributes) 046 */ 047 @Override 048 public boolean accept(final Path baseDir, final Path relativePath, final BasicFileAttributes attrs) { 049 return !negate.accept(baseDir, relativePath, attrs); 050 } 051 052 /* 053 * (non-Javadoc) 054 * @see org.apache.logging.log4j.core.appender.rolling.action.PathCondition#beforeFileTreeWalk() 055 */ 056 @Override 057 public void beforeFileTreeWalk() { 058 negate.beforeFileTreeWalk(); 059 } 060 061 /** 062 * Create an IfNot PathCondition. 063 * 064 * @param condition The condition to negate. 065 * @return An IfNot PathCondition. 066 */ 067 @PluginFactory 068 public static IfNot createNotCondition( // 069 @PluginElement("PathConditions") final PathCondition condition) { 070 return new IfNot(condition); 071 } 072 073 @Override 074 public String toString() { 075 return "IfNot(" + negate + ")"; 076 } 077}