/**
* Attempts to find and activate a service which provides a UI that we can use.
*
* @param pm The plugin manager to use to load plugins
* @param cm The config manager to use to retrieve settings
*/
protected static void loadUI(final PluginManager pm, final ConfigManager cm) {
final List<Service> uis = pm.getServicesByType("ui");
final String desired = cm.getOption("general", "ui");
// First try: go for our desired service type
for (Service service : uis) {
if (service.getName().equals(desired) && service.activate()) {
return;
}
}
// Second try: go for any service type
for (Service service : uis) {
if (service.activate()) {
return;
}
}
if (!GraphicsEnvironment.isHeadless()) {
// Show a dialog informing the user that no UI was found.
NoUIDialog.displayBlocking();
return;
}
// Can't find any
throw new IllegalStateException("No UIs could be loaded");
}
/**
* Initialises the client.
*
* @param args The command line arguments
*/
private static void init(final String[] args) {
Thread.setDefaultUncaughtExceptionHandler(new DMDircExceptionHandler());
for (Handler handler : java.util.logging.Logger.getLogger("").getHandlers()) {
handler.setLevel(Level.OFF); // Needs to be changed to enable debugging
}
// Enable finer debugging for specific components like so:
// java.util.logging.Logger.getLogger("com.dmdirc.plugins").setLevel(Level.ALL);
IdentityManager.loadVersion();
final CommandLineParser clp = new CommandLineParser(args);
IdentityManager.load();
final PluginManager pm = PluginManager.getPluginManager();
ThemeManager.loadThemes();
clp.applySettings();
CommandManager.initCommands();
for (String service : new String[] {"ui", "tabcompletion"}) {
ensureExists(pm, service);
}
loadUI(pm, IdentityManager.getGlobalConfig());
doFirstRun();
ActionManager.init();
pm.doAutoLoad();
ActionManager.loadActions();
getUI().getMainWindow();
ActionManager.processEvent(CoreActionType.CLIENT_OPENED, null);
UpdateChecker.init();
clp.processArguments();
GlobalWindow.init();
Runtime.getRuntime()
.addShutdownHook(
new Thread(
new Runnable() {
/** {@inheritDoc} */
@Override
public void run() {
ActionManager.processEvent(CoreActionType.CLIENT_CLOSED, null);
ServerManager.getServerManager().disconnectAll("Unexpected shutdown");
IdentityManager.save();
}
},
"Shutdown thread"));
}
/**
* Ensures that there is at least one provider of the specified service type by extracting
* matching core plugins. Plugins must be named so that their file name starts with the service
* type, and then an underscore.
*
* @param pm The plugin manager to use to access services
* @param serviceType The type of service that should exist
*/
public static void ensureExists(final PluginManager pm, final String serviceType) {
if (pm.getServicesByType(serviceType).isEmpty()) {
extractCorePlugins(serviceType + "_");
pm.getPossiblePluginInfos(true);
}
}
