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/*
* Copyright 2005-2022 Du Law Office - The Summer Boot Framework Project
*
* The Summer Boot Project 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 and you have no
* policy prohibiting employee contributions back to this file (unless the contributor to this
* file is your current or retired employee). You may obtain a copy of the License at:
*
* https://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.summerboot.jexpress.boot.event;
import com.google.inject.Inject;
import com.google.inject.Singleton;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.summerboot.jexpress.boot.BootConstant;
import org.summerboot.jexpress.boot.config.JExpressConfig;
import org.summerboot.jexpress.boot.instrumentation.HealthMonitor;
import org.summerboot.jexpress.integration.smtp.PostOffice;
import org.summerboot.jexpress.integration.smtp.SMTPClientConfig;
import java.io.File;
/**
* @author Changski Tie Zheng Zhang 张铁铮, 魏泽北, 杜旺财, 杜富贵
*/
@Singleton
public class AppLifecycleHandler implements AppLifecycleListener {
protected static final Logger log = LogManager.getLogger(AppLifecycleHandler.class.getName());
@Inject
protected PostOffice postOffice;
@Override
public void onApplicationStart(String appVersion, String fullConfigInfo) {
if (postOffice != null) {
postOffice.sendAlertAsync(SMTPClientConfig.cfg.getEmailToAppSupport(), "Started", fullConfigInfo, null, false);
}
}
@Override
public void onApplicationStop(String appVersion) {
log.warn(appVersion);
if (postOffice != null) {
postOffice.sendAlertSync(SMTPClientConfig.cfg.getEmailToAppSupport(), "Shutdown", "pid#" + BootConstant.PID, null, false);
}
}
/**
* called when application paused or resumed by configuration/pause file or
* BottController's ${context-root}/status?pause=true|false
*
* @param healthOk
* @param paused
* @param serviceStatusChanged
* @param reason
*/
@Override
public void onApplicationStatusUpdated(boolean healthOk, boolean paused, boolean serviceStatusChanged, String reason) {
if (serviceStatusChanged) {
boolean serviceAvaliable = healthOk && !paused;
String content = HealthMonitor.buildMessage();
if (postOffice != null) {
postOffice.sendAlertAsync(SMTPClientConfig.cfg.getEmailToAppSupport(), "Service Status Changed", content, null, false);
}
}
}
@Override
public void onHealthInspectionFailed(boolean healthOk, boolean paused, long retryIndex, int nextInspectionIntervalSeconds) {
if (postOffice != null) {
String content = HealthMonitor.buildMessage();
postOffice.sendAlertAsync(SMTPClientConfig.cfg.getEmailToAppSupport(), "Health Inspection Failed", content, null, true);
}
}
@Override
public void onConfigChangeBefore(File configFile, JExpressConfig cfg) {
if (postOffice != null) {
postOffice.sendAlertAsync(SMTPClientConfig.cfg.getEmailToAppSupport(), "Config Changed - before", cfg.info(), null, false);
}
}
@Override
public void onConfigChangedAfter(File configFile, JExpressConfig cfg, Throwable ex) {
if (postOffice != null) {
postOffice.sendAlertAsync(SMTPClientConfig.cfg.getEmailToAppSupport(), "Config Changed - after", cfg.info(), ex, false);
}
}
}