How to use

getExitCode

method

in

org.springframework.boot.ExitCodeGenerator

/**
 * Get the final exit code that should be returned based on all contained generators.
 * @return the final exit code.
 */
public int getExitCode() {
  int exitCode = 0;
  for (ExitCodeGenerator generator : this.generators) {
    try {
      int value = generator.getExitCode();
      if (value > 0 && value > exitCode || value < 0 && value < exitCode) {
        exitCode = value;
      }
    }
    catch (Exception ex) {
      exitCode = (exitCode != 0) ? exitCode : 1;
      ex.printStackTrace();
    }
  }
  return exitCode;
}

private int getExitCodeFromExitCodeGeneratorException(Throwable exception) {
  if (exception == null) {
    return 0;
  }
  if (exception instanceof ExitCodeGenerator) {
    return ((ExitCodeGenerator) exception).getExitCode();
  }
  return getExitCodeFromExitCodeGeneratorException(exception.getCause());
}

 public static void main(String[] args) throws Exception {
 // spring boot application startup
 SpringApplication springApp = new SpringApplication(.. your context ..);

 // calling the run method returns the context
 // pass your program arguments
 ConfigurableApplicationContext context = springApp.run(args);

 // spring boot uses exitCode Generators to calculate the exit status
 // there should be one implementation of the ExitCodeGenerator interface
 // in your context. Per default SpringBoot uses the JobExecutionExitCodeGenerator
 ExitCodeGenerator exitCodeGen = context.getBean(ExitCodeGenerator.class);

 int code = exitCodeGen.getExitCode();
 context.close();
 System.exit(code);
}

private int calcExitStatus() {
  int exitCode = 0;
  if (this.exitCodeEvent != null) {
    exitCode = this.exitCodeEvent.getExitCode();
  }
  else if (this.listenerFailed || this.applicationFailedException != null) {
    Throwable exception = this.listenerException;
    if (exception instanceof TaskExecutionException) {
      TaskExecutionException taskExecutionException = (TaskExecutionException) exception;
      if (taskExecutionException.getCause() instanceof InvocationTargetException) {
        InvocationTargetException invocationTargetException = (InvocationTargetException) taskExecutionException
            .getCause();
        if(invocationTargetException != null && invocationTargetException.getTargetException() != null) {
          exception = invocationTargetException.getTargetException();
        }
      }
    }
    if (exception instanceof ExitCodeGenerator) {
      exitCode = ((ExitCodeGenerator) exception).getExitCode();
    }
    else {
      exitCode = 1;
    }
  }
  return exitCode;
}

private int calcExitStatus() {
  int exitCode = 0;
  if (this.exitCodeEvent != null) {
    exitCode = this.exitCodeEvent.getExitCode();
  }
  else if (this.listenerFailed || this.applicationFailedException != null) {
    Throwable exception = this.listenerException;
    if (exception instanceof TaskExecutionException) {
      TaskExecutionException taskExecutionException = (TaskExecutionException) exception;
      if (taskExecutionException.getCause() instanceof InvocationTargetException) {
        InvocationTargetException invocationTargetException = (InvocationTargetException) taskExecutionException
            .getCause();
        if(invocationTargetException != null && invocationTargetException.getTargetException() != null) {
          exception = invocationTargetException.getTargetException();
        }
      }
    }
    if (exception instanceof ExitCodeGenerator) {
      exitCode = ((ExitCodeGenerator) exception).getExitCode();
    }
    else {
      exitCode = 1;
    }
  }
  return exitCode;
}