103 lines
3.2 KiB
Java
103 lines
3.2 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 net.minecraftforge.fml.loading.FMLLoader;
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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.io.IOException;
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import java.net.URL;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.security.SecureClassLoader;
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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 SecureClassLoader
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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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protected ModLoadingClassLoader(final ClassLoader parent) {
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super(parent);
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this.classLoadingPredicate = FMLLoader.getClassLoaderExclusions();
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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 super.getResource(name);
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}
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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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final String className = name.replace('.', '/').concat(".class");
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final Path classResource = FMLLoader.getLoadingModList().findResource(className);
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if (classResource != null)
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{
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return findClass(name);
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}
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return super.loadClass(name, resolve);
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}
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*/
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@Override
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protected Class<?> findClass(String name) throws ClassNotFoundException
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{
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if (!classLoadingPredicate.test(name)) {
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LOGGER.debug(LOADING, "Delegating to parent {}", name);
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return getParent().loadClass(name);
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}
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LOGGER.debug(LOADING, "Loading class {}", name);
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final String className = name.replace('.','/').concat(".class");
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final Path classResource = FMLLoader.getLoadingModList().findResource(className);
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if (classResource != null) {
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try {
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final byte[] bytes = Files.readAllBytes(classResource);
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return defineClass(name, bytes, 0, bytes.length);
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}
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catch (IOException e)
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{
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throw new ClassNotFoundException("Failed to load class file " + classResource + " for "+ className, e);
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}
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} else if(getParent() != null) {
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getParent().loadClass(name);
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}
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throw new ClassNotFoundException("Failed to find class file "+ className);
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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 super.findResource(name);
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}
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}
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