《SpringBoot揭秘快速构建微服务体系》读后感（三）

SpringApplication：SpringBoot程序启动的一站式解决方案

深入探索SpringApplication执行流程

因为书上的版本是1.2的，比较老，这里参考http://blog.csdn.net/zxzzxzzxz123/article/details/69941910

public ConfigurableApplicationContext run(String... args) {

        StopWatch stopWatch = new StopWatch();

        stopWatch.start();

        ConfigurableApplicationContext context = null;

        FailureAnalyzers analyzers = null;

        configureHeadlessProperty();

        SpringApplicationRunListeners listeners = getRunListeners(args);

        listeners.starting();

        try {

            ApplicationArguments applicationArguments = new DefaultApplicationArguments(

                    args);

            ConfigurableEnvironment environment = prepareEnvironment(listeners,

                    applicationArguments);

            Banner printedBanner = printBanner(environment);

            context = createApplicationContext();

            analyzers = new FailureAnalyzers(context);

            prepareContext(context, environment, listeners, applicationArguments,

                    printedBanner);

            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);

        }

    }