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package com.redstoner.coremods.moduleLoader;
import java.util.HashMap;
import org.bukkit.Bukkit;
import org.bukkit.command.CommandSender;
import org.bukkit.event.HandlerList;
import org.bukkit.event.Listener;
import com.nemez.cmdmgr.Command;
import com.nemez.cmdmgr.Command.AsyncType;
import com.nemez.cmdmgr.CommandManager;
import com.redstoner.annotations.AutoRegisterListener;
import com.redstoner.annotations.Debugable;
import com.redstoner.annotations.Version;
import com.redstoner.coremods.debugger.Debugger;
import com.redstoner.exceptions.MissingVersionException;
import com.redstoner.misc.Main;
import com.redstoner.misc.Utils;
import com.redstoner.misc.VersionHelper;
import com.redstoner.modules.CoreModule;
import com.redstoner.modules.Module;
/** The module loader, mother of all modules. Responsible for loading and taking care of all modules.
*
* @author Pepich */
@Version(major = 3, minor = 0, revision = 0, compatible = 2)
public final class ModuleLoader implements CoreModule
{
private static ModuleLoader instance;
private static final HashMap<Module, Boolean> modules = new HashMap<Module, Boolean>();
private ModuleLoader()
{}
public static void init()
{
if (instance == null)
instance = new ModuleLoader();
CommandManager.registerCommand(instance.getCommandString(), instance, Main.plugin);
}
/** This method will add a module to the module list, without enabling it
*
* @param clazz The class of the module to be added. */
@Debugable
public static final void addModule(Class<? extends Module> clazz)
{
Debugger.notifyMethod(clazz);
try
{
Module module = clazz.newInstance();
modules.put(module, false);
}
catch (InstantiationException | IllegalAccessException e)
{
Utils.error("Could not add " + clazz.getName() + " to the list, constructor not accessible.");
}
}
/** Call this to enable all not-yet enabled modules that are known to the loader. */
@Debugable
public static final void enableModules()
{
Debugger.notifyMethod();
for (Module module : modules.keySet())
{
if (modules.get(module))
continue;
try
{
if (module.onEnable())
{
if (VersionHelper.isCompatible(VersionHelper.create(2, 0, 0, -1), module.getClass()))
CommandManager.registerCommand(module.getCommandString(), module, Main.plugin);
modules.put(module, true);
Utils.log("Loaded module " + module.getClass().getName());
}
else
Utils.error("Failed to load module " + module.getClass().getName());
}
catch (Exception e)
{
Utils.error("Failed to load module " + module.getClass().getName());
e.printStackTrace();
}
}
Utils.log("Modules enabled, running post initialization.");
for (Module module : modules.keySet())
{
if (modules.get(module))
{
try
{
if (VersionHelper.isCompatible(VersionHelper.create(3, 0, 0, 3), module.getClass()))
{
module.postEnable();
}
}
catch (MissingVersionException e)
{
e.printStackTrace();
}
if (module.getClass().isAnnotationPresent(AutoRegisterListener.class) && (module instanceof Listener))
{
Bukkit.getPluginManager().registerEvents((Listener) module, Main.plugin);
}
}
}
}
/** This method enables a specific module. If no module with that name is known to the loader yet it will be added to the list.
*
* @param clazz The class of the module to be enabled.
* @return true, when the module was successfully enabled. */
@Debugable
public static final boolean enableModule(Class<? extends Module> clazz)
{
Debugger.notifyMethod(clazz);
for (Module module : modules.keySet())
{
if (module.getClass().equals(clazz))
{
if (module.onEnable())
{
if (module.getClass().isAnnotationPresent(AutoRegisterListener.class)
&& (module instanceof Listener))
{
Bukkit.getPluginManager().registerEvents((Listener) module, Main.plugin);
}
Utils.log("Loaded module " + module.getClass().getName());
modules.put(module, true);
return true;
}
else
{
Utils.error("Failed to load module " + module.getClass().getName());
return false;
}
}
}
try
{
Module m = clazz.newInstance();
modules.put(m, false);
if (m.onEnable())
{
if (m.getClass().isAnnotationPresent(AutoRegisterListener.class) && (m instanceof Listener))
{
Bukkit.getPluginManager().registerEvents((Listener) m, Main.plugin);
}
Utils.log("Loaded module " + m.getClass().getName());
return true;
}
else
{
Utils.error("Failed to load module " + m.getClass().getName());
return false;
}
}
catch (InstantiationException | IllegalAccessException e)
{
Utils.error("Could not add " + clazz.getName() + " to the list, constructor not accessible.");
return false;
}
}
// @noformat
@Override
public String getCommandString()
{
return "command modules {\n" +
" list{\n" +
" help Lists all modules. Color indicates status: §aENABLED §cDISABLED;\n" +
" perm jutils.admin;\n" +
" run list;\n" +
" }\n" +
"}";
}
// @format
/** This method lists all modules to the specified CommandSender. The modules will be color coded correspondingly to their enabled status.
*
* @param sender The person to send the info to, usually the issuer of the command or the console sender.
* @return true. */
@Command(hook = "list", async = AsyncType.ALWAYS)
public boolean listModulesCommand(CommandSender sender)
{
Utils.sendModuleHeader(sender);
StringBuilder sb = new StringBuilder("Modules:\n");
for (Module module : modules.keySet())
{
String[] classPath = module.getClass().getName().split("\\.");
String classname = classPath[classPath.length - 1];
sb.append(modules.get(module) ? "&a" : "&c");
sb.append(classname);
sb.append(", ");
}
sb.delete(sb.length() - 2, sb.length());
Utils.sendMessage(sender, " §e", sb.toString(), '&');
Utils.sendMessage(sender, " §7", "For more detailed information, consult the debugger.");
return true;
}
public static void disableModules()
{
for (Module module : modules.keySet())
{
if (modules.get(module))
{
module.onDisable();
if (module.getClass().isAnnotationPresent(AutoRegisterListener.class) && (module instanceof Listener))
{
HandlerList.unregisterAll((Listener) module);
}
}
}
}
}
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