| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache license, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the license for the specific language governing permissions and |
| * limitations under the license. |
| */ |
| package org.apache.logging.log4j.core.appender; |
| |
| import org.apache.logging.log4j.core.Appender; |
| import org.apache.logging.log4j.core.Core; |
| import org.apache.logging.log4j.core.LogEvent; |
| import org.apache.logging.log4j.core.config.Property; |
| import org.apache.logging.log4j.plugins.Plugin; |
| import org.apache.logging.log4j.plugins.PluginAttribute; |
| import org.apache.logging.log4j.plugins.PluginFactory; |
| |
| /** |
| * An Appender that ignores log events. Use for compatibility with version 1.2 and handy for composing a |
| * {@link ScriptAppenderSelector}. |
| */ |
| @Plugin(name = NullAppender.PLUGIN_NAME, category = Core.CATEGORY_NAME, elementType = Appender.ELEMENT_TYPE, printObject = true) |
| public class NullAppender extends AbstractAppender { |
| |
| public static final String PLUGIN_NAME = "Null"; |
| |
| @PluginFactory |
| public static NullAppender createAppender( |
| @PluginAttribute(defaultString = "null") final String name) { |
| return new NullAppender(name); |
| } |
| |
| private NullAppender(final String name) { |
| super(name, null, null, true, Property.EMPTY_ARRAY); |
| // Do nothing |
| } |
| |
| @Override |
| public void append(final LogEvent event) { |
| // Do nothing |
| } |
| |
| } |