83 lines
2.6 KiB
Java
83 lines
2.6 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016-2018.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation version 2.1
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* of the License.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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package net.minecraftforge.fml;
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import cpw.mods.modlauncher.TransformingClassLoader;
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import net.minecraftforge.fml.loading.FMLLoader;
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import net.minecraftforge.fml.loading.ModJarURLHandler;
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import org.apache.logging.log4j.LogManager;
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import org.apache.logging.log4j.Logger;
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import java.net.URL;
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import java.util.function.Predicate;
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import static net.minecraftforge.fml.Logging.LOADING;
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public class ModLoadingClassLoader extends TransformingClassLoader
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{
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private static final Logger LOGGER = LogManager.getLogger();
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static {
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ClassLoader.registerAsParallelCapable();
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}
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private final Predicate<String> classLoadingPredicate;
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private final TransformingClassLoader tcl;
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protected ModLoadingClassLoader(final TransformingClassLoader parent) {
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super(parent, path->FMLLoader.getLoadingModList().findURLForResource(path));
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this.tcl = parent;
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this.classLoadingPredicate = FMLLoader.getClassLoaderExclusions();
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}
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@Override
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protected URL locateResource(final String path) {
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return FMLLoader.getLoadingModList().findURLForResource(path);
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}
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@Override
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public URL getResource(String name)
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{
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return locateResource(name);
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}
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@Override
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protected Class<?> loadClass(String name, boolean resolve) throws ClassNotFoundException
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{
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synchronized (getClassLoadingLock(name)) {
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Class<?> existingClass = tcl.getLoadedClass(name);
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if (existingClass != null) return existingClass;
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LOGGER.debug(LOADING, "Loading class {}", name);
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if (!classLoadingPredicate.test(name)) {
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LOGGER.debug(LOADING, "Delegating to parent {}", name);
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return tcl.loadClass(name);
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}
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return tcl.loadClass(name, this::locateResource);
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}
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}
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@Override
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protected URL findResource(String name)
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{
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return locateResource(name);
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}
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}
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