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/*
* This file is part of spark.
*
* Copyright (c) lucko (Luck) <luck@lucko.me>
* Copyright (c) contributors
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package me.lucko.spark.velocity;
import com.velocitypowered.api.plugin.PluginContainer;
import com.velocitypowered.api.plugin.PluginManager;
import me.lucko.spark.common.sampler.source.ClassSourceLookup;
import org.checkerframework.checker.nullness.qual.Nullable;
import java.util.HashMap;
import java.util.Map;
public class VelocityClassSourceLookup extends ClassSourceLookup.ByClassLoader {
private static final Class<?> PLUGIN_CLASS_LOADER;
static {
try {
PLUGIN_CLASS_LOADER = Class.forName("com.velocitypowered.proxy.plugin.PluginClassLoader");
} catch (ReflectiveOperationException e) {
throw new ExceptionInInitializerError(e);
}
}
private final Map<ClassLoader, String> classLoadersToPlugin;
public VelocityClassSourceLookup(PluginManager pluginManager) {
this.classLoadersToPlugin = new HashMap<>();
for (PluginContainer plugin : pluginManager.getPlugins()) {
plugin.getInstance().ifPresent(instance -> {
String id = plugin.getDescription().getName().orElseGet(() -> plugin.getDescription().getId());
this.classLoadersToPlugin.put(instance.getClass().getClassLoader(), id);
});
}
}
@Override
public @Nullable String identify(ClassLoader loader) {
if (PLUGIN_CLASS_LOADER.isInstance(loader)) {
return this.classLoadersToPlugin.get(loader);
}
return null;
}
}
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