【Spring】Springboot監聽器，啟動之後初始化工作
package com.laplace.laplace.common.starter.config;
import java.io.IOException;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.context.event.ApplicationReadyEvent;
import org.springframework.context.ApplicationListener;
import org.springframework.stereotype.Component;
/*
* http://blog.netgloo.com/2014/11/13/run-code-at-spring-boot-startup/
* http://www.baeldung.com/running-setup-logic-on-startup-in-spring
* https://springframework.guru/running-code-on-spring-boot-startup/
*/
@Component
public class ApplicationStartup implements ApplicationListener<ApplicationReadyEvent>{
private static final Logger LOG = LoggerFactory.getLogger(ApplicationStartup.class);
@Autowired
private GrpcLocalProxyService grpcLocalProxyService;
@Override
public void onApplicationEvent(ApplicationReadyEvent event) {
if (grpcLocalProxyService == null) {
LOG.info("grpcLocalProxyService is null/disabled, no need to loadProtoResources");
}
try {
grpcLocalProxyService.loadProtoResources();
} catch (IOException | ClassNotFoundException e) {
LOG.error("grpcLocalProxyService loadProtoResources exception, {}", e);
}
}
}
package com.laplace.laplace.common.starter.config; import java.io.IOException; import org.slf4j.Logger; import org.slf4j.LoggerFactory; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.boot.context.event.ApplicationReadyEvent; import org.springframework.context.ApplicationListener; import org.springframework.stereotype.Component; /* * http://blog.netgloo.com/2014/11/13/run-code-at-spring-boot-startup/ * http://www.baeldung.com/running-setup-logic-on-startup-in-spring * https://springframework.guru/running-code-on-spring-boot-startup/ */ @Component public class ApplicationStartup implements ApplicationListener<ApplicationReadyEvent>{ private static final Logger LOG = LoggerFactory.getLogger(ApplicationStartup.class); @Autowired private GrpcLocalProxyService grpcLocalProxyService; @Override public void onApplicationEvent(ApplicationReadyEvent event) { if (grpcLocalProxyService == null) { LOG.info("grpcLocalProxyService is null/disabled, no need to loadProtoResources"); } try { grpcLocalProxyService.loadProtoResources(); } catch (IOException | ClassNotFoundException e) { LOG.error("grpcLocalProxyService loadProtoResources exception, {}", e); } } }