| /* |
| * 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.test.appender; |
| |
| import java.util.concurrent.TimeUnit; |
| |
| import org.apache.logging.log4j.core.Appender; |
| import org.apache.logging.log4j.core.LogEvent; |
| import org.apache.logging.log4j.core.appender.AbstractAppender; |
| import org.apache.logging.log4j.plugins.Plugin; |
| import org.apache.logging.log4j.plugins.PluginAttribute; |
| import org.apache.logging.log4j.plugins.PluginFactory; |
| import org.apache.logging.log4j.plugins.validation.constraints.Required; |
| |
| /** |
| * |
| */ |
| @Plugin(name="Block", category ="Core", elementType=Appender.ELEMENT_TYPE, printObject=true) |
| public class BlockingAppender extends AbstractAppender { |
| public volatile boolean running = true; |
| |
| private BlockingAppender(final String name) { |
| super(name, null, null, false, null); |
| } |
| |
| @Override |
| public void append(final LogEvent event) { |
| while (running) { |
| try { |
| Thread.sleep(10L); |
| } catch (final InterruptedException e) { |
| running = false; // LOG4J2-1422 cooperate with signal to get us unstuck |
| Thread.currentThread().interrupt(); // set interrupt status |
| } |
| } |
| } |
| @Override |
| public boolean stop(final long timeout, final TimeUnit timeUnit) { |
| setStopping(); |
| super.stop(timeout, timeUnit, false); |
| running = false; |
| setStopped(); |
| return true; |
| } |
| |
| @PluginFactory |
| public static BlockingAppender createAppender( |
| @PluginAttribute @Required(message = "A name for the Appender must be specified") final String name) { |
| return new BlockingAppender(name); |
| } |
| } |