LogConfigChangedEvent.java

/*
 * Copyright 2011-2023 the original author or authors.
 *
 * Licensed 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.appng.application.manager.business;

import java.io.File;
import java.io.IOException;
import java.io.Serializable;
import java.nio.charset.StandardCharsets;

import org.apache.commons.io.FileUtils;
import org.appng.api.BusinessException;
import org.appng.api.Environment;
import org.appng.api.InvalidConfigurationException;
import org.appng.api.messaging.Event;
import org.appng.api.model.Site;

import lombok.extern.slf4j.Slf4j;

@Slf4j
public class LogConfigChangedEvent extends Event implements Serializable {

	private static final long serialVersionUID = 1L;
	private final String content;
	private final String configFilePath;

	public LogConfigChangedEvent(String siteName, String content, String configFilePath) {
		super(siteName);
		this.content = content;
		this.configFilePath = configFilePath;
	}

	public void perform(Environment environment, Site site) throws InvalidConfigurationException, BusinessException {
		try {
			File configFile = new File(configFilePath).getAbsoluteFile();
			FileUtils.write(configFile, content, StandardCharsets.UTF_8);
			if (configFilePath.contains("log4j2.xml")) {
				org.apache.logging.log4j.core.LoggerContext loggerCtx = org.apache.logging.log4j.core.LoggerContext
						.getContext(false);
				org.apache.logging.log4j.core.config.Configuration config = new org.apache.logging.log4j.core.config.xml.XmlConfigurationFactory()
						.getConfiguration(loggerCtx, "appNG", configFile.toURI());
				loggerCtx.reconfigure(config);
			} else {
				new org.apache.log4j.PropertyConfigurator().doConfigure(configFile.getAbsolutePath(),
						org.apache.log4j.LogManager.getLoggerRepository());
			}
			log.info("Updated {}", configFile.getPath());
		} catch (IOException e) {
			throw new BusinessException("error while executing ReadloadConfigEvent", e);
		}
	}

}