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.config.plugins.Plugin;
24 import org.apache.logging.log4j.core.config.plugins.PluginElement;
25 import org.apache.logging.log4j.core.config.plugins.PluginFactory;
26
27 /**
28 * Wrapper {@code PathCondition} that accepts objects that are rejected by the wrapped component filter.
29 */
30 @Plugin(name = "IfNot", category = "Core", printObject = true)
31 public final class IfNot implements PathCondition {
32
33 private final PathCondition negate;
34
35 private IfNot(final PathCondition negate) {
36 this.negate = Objects.requireNonNull(negate, "filter");
37 }
38
39 public PathCondition getWrappedFilter() {
40 return negate;
41 }
42
43 /*
44 * (non-Javadoc)
45 * @see org.apache.logging.log4j.core.appender.rolling.action.PathCondition#accept(java.nio.file.Path, java.nio.file.Path, java.nio.file.attribute.BasicFileAttributes)
46 */
47 @Override
48 public boolean accept(final Path baseDir, final Path relativePath, final BasicFileAttributes attrs) {
49 return !negate.accept(baseDir, relativePath, attrs);
50 }
51
52 /*
53 * (non-Javadoc)
54 * @see org.apache.logging.log4j.core.appender.rolling.action.PathCondition#beforeFileTreeWalk()
55 */
56 @Override
57 public void beforeFileTreeWalk() {
58 negate.beforeFileTreeWalk();
59 }
60
61 /**
62 * Create an IfNot PathCondition.
63 *
64 * @param condition The condition to negate.
65 * @return An IfNot PathCondition.
66 */
67 @PluginFactory
68 public static IfNot createNotCondition( //
69 @PluginElement("PathConditions") final PathCondition condition) {
70 return new IfNot(condition);
71 }
72
73 @Override
74 public String toString() {
75 return "IfNot(" + negate + ")";
76 }
77 }