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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.sponge;
import com.google.common.collect.ImmutableMap;
import me.lucko.spark.common.sampler.source.ClassSourceLookup;
import org.spongepowered.api.Game;
import org.spongepowered.plugin.PluginCandidate;
import org.spongepowered.plugin.PluginContainer;
import org.spongepowered.plugin.builtin.jvm.JVMPluginContainer;
import org.spongepowered.plugin.builtin.jvm.locator.JVMPluginResource;
import java.lang.reflect.Field;
import java.nio.file.Path;
import java.util.Collection;
import java.util.Map;
public class Sponge8ClassSourceLookup extends ClassSourceLookup.ByCodeSource {
private final Path modsDirectory;
private final Map<Path, String> pathToPluginMap;
public Sponge8ClassSourceLookup(Game game) {
this.modsDirectory = game.gameDirectory().resolve("mods").toAbsolutePath().normalize();
this.pathToPluginMap = constructPathToPluginIdMap(game.pluginManager().plugins());
}
@Override
public String identifyFile(Path path) {
String id = this.pathToPluginMap.get(path);
if (id != null) {
return id;
}
if (!path.startsWith(this.modsDirectory)) {
return null;
}
return super.identifyFileName(this.modsDirectory.relativize(path).toString());
}
// pretty nasty, but if it fails it doesn't really matter
@SuppressWarnings("unchecked")
private static Map<Path, String> constructPathToPluginIdMap(Collection<PluginContainer> plugins) {
ImmutableMap.Builder<Path, String> builder = ImmutableMap.builder();
try {
Field candidateField = JVMPluginContainer.class.getDeclaredField("candidate");
candidateField.setAccessible(true);
for (PluginContainer plugin : plugins) {
if (plugin instanceof JVMPluginContainer) {
PluginCandidate<JVMPluginResource> candidate = (PluginCandidate<JVMPluginResource>) candidateField.get(plugin);
Path path = candidate.resource().path().toAbsolutePath().normalize();
builder.put(path, plugin.metadata().id());
}
}
} catch (Exception e) {
// ignore
}
return builder.build();
}
}
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