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Daniel Mills 2021-01-12 16:54:57 -05:00
parent 7eef4ed876
commit 54dd379cf5
1 changed files with 111 additions and 0 deletions
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111
src/main/java/com/volmit/iris/util/VolmitPlugin.java
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@ -6,9 +6,12 @@ import org.bukkit.command.Command;
import org.bukkit.command.*;
import org.bukkit.configuration.file.FileConfiguration;
import org.bukkit.configuration.file.YamlConfiguration;
import org.bukkit.event.Event;
import org.bukkit.event.HandlerList;
import org.bukkit.event.Listener;
import org.bukkit.permissions.PermissionDefault;
import org.bukkit.plugin.Plugin;
import org.bukkit.plugin.RegisteredListener;
import org.bukkit.plugin.java.JavaPlugin;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
@ -18,9 +21,11 @@ import java.io.IOException;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Modifier;
import java.net.URLClassLoader;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.SortedSet;
public abstract class VolmitPlugin extends JavaPlugin implements Listener
{
@ -32,6 +37,112 @@ public abstract class VolmitPlugin extends JavaPlugin implements Listener
private KList<IController> cachedControllers;
private KMap<Class<? extends IController>, IController> cachedClassControllers;
public void selfDistruct()
{
HandlerList.unregisterAll((Plugin)this);
getServer().getScheduler().cancelTasks(this);
File me = getFile();
Plugin plugin = this;
String name = plugin.getName();
SimpleCommandMap commandMap = null;
List<Plugin> plugins = null;
Map<String, Plugin> names = null;
Map<String, Command> commands = null;
Map<Event, SortedSet<RegisteredListener>> listeners = null;
try
{
Field pluginsField = Bukkit.getPluginManager().getClass().getDeclaredField("plugins");
pluginsField.setAccessible(true);
plugins = (List<Plugin>) pluginsField.get(getServer().getPluginManager());
Field lookupNamesField = Bukkit.getPluginManager().getClass().getDeclaredField("lookupNames");
lookupNamesField.setAccessible(true);
names = (Map<String, Plugin>) lookupNamesField.get(getServer().getPluginManager());
try
{
Field listenersField = Bukkit.getPluginManager().getClass().getDeclaredField("listeners");
listenersField.setAccessible(true);
listeners = (Map<Event, SortedSet<RegisteredListener>>) listenersField.get(getServer().getPluginManager());
}
catch(Throwable ignored)
{
}
Field commandMapField = Bukkit.getPluginManager().getClass().getDeclaredField("commandMap");
commandMapField.setAccessible(true);
commandMap = (SimpleCommandMap) commandMapField.get(getServer().getPluginManager());
Field knownCommandsField = SimpleCommandMap.class.getDeclaredField("knownCommands");
knownCommandsField.setAccessible(true);
commands = (Map<String, Command>) knownCommandsField.get(commandMap);
}
catch(Throwable e)
{
}
getServer().getPluginManager().disablePlugin(plugin);
plugins.remove(plugin);
names.remove(name);
if(listeners != null)
{
for(SortedSet<RegisteredListener> set : listeners.values())
{
set.removeIf(value -> value.getPlugin().equals(plugin));
}
}
for(Iterator<Map.Entry<String, Command>> it = commands.entrySet().iterator(); it.hasNext();)
{
Map.Entry<String, Command> entry = it.next();
if(entry.getValue() instanceof PluginCommand)
{
PluginCommand c = (PluginCommand) entry.getValue();
if(c.getPlugin() == plugin)
{
c.unregister(commandMap);
it.remove();
}
}
}
new Thread(() -> {
// Attempt to close the classloader to unlock any handles on the
// plugin's
// jar file.
ClassLoader cl = plugin.getClass().getClassLoader();
if(cl instanceof URLClassLoader)
{
try
{
((URLClassLoader) cl).close();
}
catch(IOException ignored)
{
}
}
// Will not work on processes started with the -XX:+DisableExplicitGC
// flag,
// but lets try it anyway. This tries to get around the issue where
// Windows
// refuses to unlock jar files that were previously loaded into the JVM.
System.gc();
if(!me.delete())
{
me.deleteOnExit();
}
}).start();
}
public void l(Object l)
{
Iris.info("[" + getName() + "]: " + l);