标签:ack star class length pre file try array normal
| SpringApplication: | |
| private void initialize(Object[] sources) { | |
| if (sources != null && sources.length > 0) { | |
| this.sources.addAll(Arrays.asList(sources)); | |
| } | |
| this.webEnvironment = deduceWebEnvironment(); | |
| // 从spring.factories里读取所有 ApplicationContextInitializer,并记入 SpringApplication | |
| setInitializers((Collection) getSpringFactoriesInstances( | |
| ApplicationContextInitializer.class)); | |
| // 从spring.factories里读取所有 ApplicationListener,并记入 SpringApplication | |
| setListeners((Collection) getSpringFactoriesInstances(ApplicationListener.class)); | |
| this.mainApplicationClass = deduceMainApplicationClass(); | |
| } | |
| public ConfigurableApplicationContext run(String... args) { | |
| StopWatch stopWatch = new StopWatch(); | |
| stopWatch.start(); | |
| ConfigurableApplicationContext context = null; | |
| FailureAnalyzers analyzers = null; | |
| configureHeadlessProperty(); | |
| // 从spring.factories里读取所有 SpringApplicationRunListener,监听springboot启动,参考:org.springframework.boot.context.event.EventPublishingRunListener | |
| SpringApplicationRunListeners listeners = getRunListeners(args); | |
| listeners.starting(); | |
| try { | |
| ApplicationArguments applicationArguments = new DefaultApplicationArguments( | |
| args); | |
| ConfigurableEnvironment environment = prepareEnvironment(listeners, | |
| applicationArguments); | |
| Banner printedBanner = printBanner(environment); | |
| // web环境下默认的 ApplicationContext: org.springframework.boot.context.embedded.AnnotationConfigEmbeddedWebApplicationContext | |
| // 非web环境下默认的 ApplicationContext: org.springframework.context.annotation.AnnotationConfigApplicationContext | |
| context = createApplicationContext(); | |
| analyzers = new FailureAnalyzers(context); | |
| // org.springframework.cloud.bootstrap.config.PropertySourceBootstrapProperties 会通过 ApplicationContextInitializer,准备 PropertySource | |
| // PropertySourceBootstrapProperties 收集 PropertySourceLocator 来获得PropertySource | |
| // 其中 org.springframework.cloud.config.client.ConfigServicePropertySourceLocator 是 Cloud Config Client 提供的 PropertySourceLocator | |
| prepareContext(context, environment, listeners, applicationArguments, | |
| printedBanner); | |
| // 调用 context.refresh | |
| refreshContext(context); | |
| afterRefresh(context, applicationArguments); | |
| listeners.finished(context, null); | |
| stopWatch.stop(); | |
| if (this.logStartupInfo) { | |
| new StartupInfoLogger(this.mainApplicationClass) | |
| .logStarted(getApplicationLog(), stopWatch); | |
| } | |
| return context; | |
| } | |
| catch (Throwable ex) { | |
| handleRunFailure(context, listeners, analyzers, ex); | |
| throw new IllegalStateException(ex); | |
| } | |
| } |
标签:ack star class length pre file try array normal
原文地址:https://www.cnblogs.com/wangdaijun/p/9026327.html