Spring Shell应用程序开发流程解析

@Component
public class HelloWorldCommands implements CommandMarker {
 // use any Spring annotations for Dependency Injection or other Spring interfaces
 // as required.
 // methods with @Cli annotations go here
}

@Component
public class HelloWorldCommands implements CommandMarker {

 protected final Logger LOG = Logger.getLogger(getClass().getName());

 // methods with @Cli annotations go here

}

@Component
public class HelloWorldCommands implements CommandMarker {

 @CliAvailabilityIndicator({"hw simple"})
 public boolean isCommandAvailable() {
  return true;
 }

 @CliCommand(value = "hw simple", help = "Print a simple hello world message")
 public String simple(
  @CliOption(key = { "message" }, mandatory = true, help = "The hello world message")
  final String message,

  @CliOption(key = { "location" }, mandatory = false,
        help = "Where you are saying hello", specifiedDefaultValue="At work")
  final String location) {

  return "Message = [" + message + "] Location = [" + location + "]";

 }
}

public abstract class AbstractShellIntegrationTest {

 private static JLineShellComponent shell;

 @BeforeClass
 public static void startUp() throws InterruptedException {
 Bootstrap bootstrap = new Bootstrap();
 shell = bootstrap.getJLineShellComponent();
 }

 @AfterClass
 public static void shutdown() {
 shell.stop();
 }

 public static JLineShellComponent getShell() {
 return shell;
 }

}

public class BuiltInCommandTests extends AbstractShellIntegrationTest {

 @Test
 public void dateTest() throws ParseException {

 //Execute command
 CommandResult cr = getShell().executeCommand("date");

 //Get result
 DateFormat df = DateFormat.getDateTimeInstance(DateFormat.FULL, DateFormat.FULL,Locale.US);
 Date result = df.parse(cr.getResult().toString());

 //Make assertions - DateMaters is an external dependency not shown here.
 Date now = new Date();
 MatcherAssert.assertThat(now, DateMatchers.within(5, TimeUnit.SECONDS, result));
 }
}