/*
* 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.geode.internal.logging.log4j.custom;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.List;
import org.apache.logging.log4j.core.Filter;
import org.apache.logging.log4j.core.Layout;
import org.apache.logging.log4j.core.LogEvent;
import org.apache.logging.log4j.core.appender.AbstractAppender;
import org.apache.logging.log4j.core.config.plugins.Plugin;
import org.apache.logging.log4j.core.config.plugins.PluginAttribute;
import org.apache.logging.log4j.core.config.plugins.PluginElement;
import org.apache.logging.log4j.core.config.plugins.PluginFactory;
import org.apache.logging.log4j.core.layout.PatternLayout;
@Plugin(name = "Basic", category = "Core", elementType = "appender", printObject = true)
public class BasicAppender extends AbstractAppender {
private static volatile BasicAppender instance;
private final List<LogEvent> events = new ArrayList<>();
public BasicAppender(final String name, final Filter filter,
final Layout<? extends Serializable> layout) {
super(name, filter, layout);
}
@PluginFactory
public static BasicAppender createAppender(@PluginAttribute("name") String name,
@PluginAttribute("ignoreExceptions") boolean ignoreExceptions,
@PluginElement("Layout") Layout layout, @PluginElement("Filters") Filter filter) {
if (layout == null) {
layout = PatternLayout.createDefaultLayout();
}
instance = new BasicAppender(name, filter, layout);
return instance;
}
public static BasicAppender getInstance() {
return instance;
}
public static void clearInstance() {
instance = null;
}
public static void clearEvents() {
instance.events.clear();
}
@Override
public void append(final LogEvent event) {
this.events.add(event);
}
public List<LogEvent> events() {
return this.events;
}
}