Provide better verbose for registering listeners. Addresses BUKKIT-2391

By: Wesley Wolfe <weswolf@aol.com>
This commit is contained in:
Bukkit/Spigot 2012-08-25 17:48:53 -05:00
parent f1c6f76f62
commit f7b46ffa10

View file

@ -21,7 +21,6 @@ import java.util.logging.Level;
import java.util.regex.Pattern;
import org.apache.commons.lang.Validate;
import org.bukkit.Bukkit;
import org.bukkit.Server;
import org.bukkit.Warning;
import org.bukkit.Warning.WarningState;
@ -272,22 +271,26 @@ public class JavaPluginLoader implements PluginLoader {
}
public Map<Class<? extends Event>, Set<RegisteredListener>> createRegisteredListeners(Listener listener, final Plugin plugin) {
Validate.notNull(plugin, "Plugin can not be null");
Validate.notNull(listener, "Listener can not be null");
boolean useTimings = server.getPluginManager().useTimings();
Map<Class<? extends Event>, Set<RegisteredListener>> ret = new HashMap<Class<? extends Event>, Set<RegisteredListener>>();
Method[] methods;
try {
methods = listener.getClass().getDeclaredMethods();
} catch (NoClassDefFoundError e) {
Bukkit.getServer().getLogger().severe("Plugin " + plugin.getDescription().getName() + " is attempting to register event " + e.getMessage() + ", which does not exist. Ignoring events registered in " + listener.getClass());
plugin.getLogger().severe("Plugin " + plugin.getDescription().getFullName() + " has failed to register events for " + listener.getClass() + " because " + e.getMessage() + " does not exist.");
return ret;
}
for (int i = 0; i < methods.length; i++) {
final Method method = methods[i];
final EventHandler eh = method.getAnnotation(EventHandler.class);
if (eh == null) continue;
final Class<?> checkClass = method.getParameterTypes()[0];
if (!Event.class.isAssignableFrom(checkClass) || method.getParameterTypes().length != 1) {
plugin.getServer().getLogger().severe("Wrong method arguments used for event type registered");
plugin.getLogger().severe(plugin.getDescription().getFullName() + " attempted to register an invalid EventHandler method signature \"" + method.toGenericString() + "\" in " + listener.getClass());
continue;
}
final Class<? extends Event> eventClass = checkClass.asSubclass(Event.class);