@Override
public void shutdown() {
if (closed.compareAndSet(false, true)) {
if (scheduler != null) {
logger.debug("Shutting down the scheduler");
scheduler.shutdown();
}
shellScope.closeAllResources();
shellHttpClient.shutdown();
console.println();
console.println(MessagesProvider.getMessage(ShellSettings.BYE_MESSAGE));
console.shutdown();
}
}
protected void doRun() {
while (true) {
CompilableSource source = null;
try {
source = compilableSourceReader.read(getPrompt());
} catch (Exception e) {
logger.error(e.getMessage(), e);
console.println("Error while checking the input: " + e.toString());
}
if (source != null) {
Object jsResult = scriptExecutor.execute(source);
Object javaResult = unwrap(jsResult);
if (javaResult instanceof ExitSignal) {
shutdown();
return;
}
if (javaResult != null) {
console.println(javaToString(javaResult));
}
}
}
}
protected void enablePlaygroundMode() {
console.print("Enabling playground mode");
final StringBuilder messageBuilder = new StringBuilder();
new ExecutorWithProgress<Void>(
console,
new ExecutorWithProgress.ActionCallback<Void>() {
@Override
public Void execute() {
Node<ShellNativeClient, JsonInput, JsonOutput> node = nodeFactory.newLocalNode();
shellScope.registerJavaObject("node", node);
messageBuilder.append(node.toString()).append(" available as node").append("\n");
ShellNativeClient shellNativeClient = node.client();
shellScope.registerJavaObject("es", shellNativeClient);
messageBuilder.append(shellNativeClient.toString()).append(" available as es");
return null;
}
})
.execute();
console.println(messageBuilder.toString());
}
protected void printLogoAndWelcomeMessage() {
StringBuilder logoBuilder = new StringBuilder();
logoBuilder.append(" ___ \n");
logoBuilder.append(" // \\\\ \n");
logoBuilder
.append(" (( (( )) ")
.append(MessagesProvider.getMessage(ShellSettings.WELCOME_MESSAGE));
logoBuilder.append(" (( \\\\___// \n");
logoBuilder.append(" {{ // \n");
logoBuilder.append(" (( // )) \n");
logoBuilder.append(" (( // }} \n");
logoBuilder.append(" ((_______)) \n");
console.println(logoBuilder.toString());
}
/** Loads the optional startup script */
void loadStartupScript() {
final String startupScript = shellSettings.settings().get(ShellSettings.STARTUP_SCRIPT);
if (startupScript != null) {
console.print("Loading startup script " + startupScript);
new ExecutorWithProgress<Void>(
console,
new ExecutorWithProgress.ActionCallback<Void>() {
@Override
public Void execute() {
try {
scriptLoader.loadScript(startupScript);
} catch (Throwable t) {
logger.error("Error loading the startup script [{}]", startupScript, t);
}
return null;
}
})
.execute();
}
}
protected void registerClient(ShellNativeClient shellNativeClient) {
shellScope.registerJavaObject("es", shellNativeClient);
console.println(shellNativeClient.toString() + " available as es");
}