1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache license, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
8 *
9 * http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the license for the specific language governing permissions and
15 * limitations under the license.
16 */
17 package org.apache.logging.log4j.core.appender.rolling.action;
18
19 import java.nio.file.Path;
20 import java.nio.file.attribute.BasicFileAttributes;
21 import java.util.Objects;
22
23 import org.apache.logging.log4j.core.Core;
24 import org.apache.logging.log4j.core.config.plugins.Plugin;
25 import org.apache.logging.log4j.core.config.plugins.PluginElement;
26 import org.apache.logging.log4j.core.config.plugins.PluginFactory;
27
28 /**
29 * Wrapper {@code PathCondition} that accepts objects that are rejected by the wrapped component filter.
30 */
31 @Plugin(name = "IfNot", category = Core.CATEGORY_NAME, printObject = true)
32 public final class IfNot implements PathCondition {
33
34 private final PathCondition negate;
35
36 private IfNot(final PathCondition negate) {
37 this.negate = Objects.requireNonNull(negate, "filter");
38 }
39
40 public PathCondition getWrappedFilter() {
41 return negate;
42 }
43
44 /*
45 * (non-Javadoc)
46 * @see org.apache.logging.log4j.core.appender.rolling.action.PathCondition#accept(java.nio.file.Path, java.nio.file.Path, java.nio.file.attribute.BasicFileAttributes)
47 */
48 @Override
49 public boolean accept(final Path baseDir, final Path relativePath, final BasicFileAttributes attrs) {
50 return !negate.accept(baseDir, relativePath, attrs);
51 }
52
53 /*
54 * (non-Javadoc)
55 * @see org.apache.logging.log4j.core.appender.rolling.action.PathCondition#beforeFileTreeWalk()
56 */
57 @Override
58 public void beforeFileTreeWalk() {
59 negate.beforeFileTreeWalk();
60 }
61
62 /**
63 * Create an IfNot PathCondition.
64 *
65 * @param condition The condition to negate.
66 * @return An IfNot PathCondition.
67 */
68 @PluginFactory
69 public static IfNot createNotCondition(
70 @PluginElement("PathConditions") final PathCondition condition) {
71 return new IfNot(condition);
72 }
73
74 @Override
75 public String toString() {
76 return "IfNot(" + negate + ")";
77 }
78 }