/** Detect sources modifications */
public static synchronized void detectChanges() {
if (mode == Mode.PROD) {
return;
}
try {
pluginCollection.beforeDetectingChanges();
if (!pluginCollection.detectClassesChange()) {
classloader.detectChanges();
}
Router.detectChanges(ctxPath);
for (VirtualFile conf : confs) {
if (conf.lastModified() > startedAt) {
start();
return;
}
}
pluginCollection.detectChange();
if (!Play.started) {
throw new RuntimeException("Not started");
}
} catch (PlayException e) {
throw e;
} catch (Exception e) {
// We have to do a clean refresh
start();
}
}
/** Start the application. Recall to restart ! */
public static synchronized void start() {
try {
if (started) {
stop();
}
if (standalonePlayServer) {
// Can only register shutdown-hook if running as standalone server
if (!shutdownHookEnabled) {
// registers shutdown hook - Now there's a good chance that we can notify
// our plugins that we're going down when some calls ctrl+c or just kills our process..
shutdownHookEnabled = true;
Runtime.getRuntime()
.addShutdownHook(
new Thread() {
public void run() {
Play.stop();
}
});
}
}
if (mode == Mode.DEV) {
// Need a new classloader
classloader = new ApplicationClassloader();
// Put it in the current context for any code that relies on having it there
Thread.currentThread().setContextClassLoader(classloader);
// Reload plugins
pluginCollection.reloadApplicationPlugins();
}
// Reload configuration
readConfiguration();
// Configure logs
String logLevel = configuration.getProperty("application.log", "INFO");
// only override log-level if Logger was not configured manually
if (!Logger.configuredManually) {
Logger.setUp(logLevel);
}
Logger.recordCaller =
Boolean.parseBoolean(configuration.getProperty("application.log.recordCaller", "false"));
// Locales
langs =
new ArrayList<String>(
Arrays.asList(configuration.getProperty("application.langs", "").split(",")));
if (langs.size() == 1 && langs.get(0).trim().length() == 0) {
langs = new ArrayList<String>(16);
}
// Clean templates
TemplateLoader.cleanCompiledCache();
// SecretKey
secretKey = configuration.getProperty("application.secret", "").trim();
if (secretKey.length() == 0) {
Logger.warn("No secret key defined. Sessions will not be encrypted");
}
// Default web encoding
String _defaultWebEncoding = configuration.getProperty("application.web_encoding");
if (_defaultWebEncoding != null) {
Logger.info("Using custom default web encoding: " + _defaultWebEncoding);
defaultWebEncoding = _defaultWebEncoding;
// Must update current response also, since the request/response triggering
// this configuration-loading in dev-mode have already been
// set up with the previous encoding
if (Http.Response.current() != null) {
Http.Response.current().encoding = _defaultWebEncoding;
}
}
// Try to load all classes
Play.classloader.getAllClasses();
// Routes
Router.detectChanges(ctxPath);
// Cache
Cache.init();
// Plugins
try {
pluginCollection.onApplicationStart();
} catch (Exception e) {
if (Play.mode.isProd()) {
Logger.error(e, "Can't start in PROD mode with errors");
}
if (e instanceof RuntimeException) {
throw (RuntimeException) e;
}
throw new UnexpectedException(e);
}
if (firstStart) {
Logger.info(
"Application '%s' is now started !", configuration.getProperty("application.name", ""));
firstStart = false;
}
// We made it
started = true;
startedAt = System.currentTimeMillis();
// Plugins
pluginCollection.afterApplicationStart();
} catch (PlayException e) {
started = false;
try {
Cache.stop();
} catch (Exception ignored) {
}
throw e;
} catch (Exception e) {
started = false;
try {
Cache.stop();
} catch (Exception ignored) {
}
throw new UnexpectedException(e);
}
}