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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.waterdog;
import me.lucko.spark.common.sampler.source.ClassSourceLookup;
import dev.waterdog.waterdogpe.ProxyServer;
import dev.waterdog.waterdogpe.plugin.Plugin;
import dev.waterdog.waterdogpe.plugin.PluginClassLoader;
import java.util.Map;
import java.util.WeakHashMap;
public class WaterdogClassSourceLookup extends ClassSourceLookup.ByClassLoader {
private final ProxyServer proxy;
private final Map<ClassLoader, String> cache;
public WaterdogClassSourceLookup(ProxyServer proxy) {
this.proxy = proxy;
this.cache = new WeakHashMap<>();
}
@Override
public String identify(ClassLoader loader) throws ReflectiveOperationException {
if (loader instanceof PluginClassLoader) {
String name = this.cache.get(loader);
if (name != null) {
return name;
}
for (Plugin plugin : this.proxy.getPluginManager().getPlugins()) {
if (plugin.getClass().getClassLoader() == loader) {
name = plugin.getName();
break;
}
}
this.cache.put(loader, name);
return name;
}
return null;
}
}
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