163 lines
6.9 KiB
Java
163 lines
6.9 KiB
Java
/*
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* Minecraft Forge
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* Copyright (c) 2016-2019.
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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.loading;
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import cpw.mods.modlauncher.ServiceLoaderStreamUtils;
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import net.minecraftforge.forgespi.language.IModLanguageProvider;
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import net.minecraftforge.fml.loading.moddiscovery.ExplodedDirectoryLocator;
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import net.minecraftforge.fml.loading.moddiscovery.ModFile;
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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 org.apache.maven.artifact.versioning.ArtifactVersion;
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import org.apache.maven.artifact.versioning.DefaultArtifactVersion;
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import org.apache.maven.artifact.versioning.VersionRange;
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import java.io.File;
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import java.net.URI;
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import java.net.URISyntaxException;
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import java.net.URL;
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import java.net.URLClassLoader;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.*;
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import java.util.function.Consumer;
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import java.util.stream.Stream;
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import static cpw.mods.modlauncher.api.LamdbaExceptionUtils.rethrowFunction;
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import static net.minecraftforge.fml.loading.LogMarkers.CORE;
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public class LanguageLoadingProvider
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{
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private static final Logger LOGGER = LogManager.getLogger();
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private final LanguageClassLoader languageClassLoader;
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private final List<IModLanguageProvider> languageProviders = new ArrayList<>();
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private final ServiceLoader<IModLanguageProvider> serviceLoader;
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private final Map<String, ModLanguageWrapper> languageProviderMap = new HashMap<>();
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public void forEach(final Consumer<IModLanguageProvider> consumer)
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{
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languageProviders.forEach(consumer);
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}
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private static class ModLanguageWrapper {
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private final IModLanguageProvider modLanguageProvider;
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private final ArtifactVersion version;
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public ModLanguageWrapper(IModLanguageProvider modLanguageProvider, ArtifactVersion version)
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{
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this.modLanguageProvider = modLanguageProvider;
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this.version = version;
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}
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public ArtifactVersion getVersion()
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{
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return version;
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}
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public IModLanguageProvider getModLanguageProvider()
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{
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return modLanguageProvider;
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}
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}
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private static class LanguageClassLoader extends URLClassLoader
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{
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public LanguageClassLoader() {
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super(new URL[0]);
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}
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@Override
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public void addURL(final URL url) {
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LOGGER.debug(CORE, "Adding {} to languageloader classloader", url);
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super.addURL(url);
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}
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}
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LanguageLoadingProvider() {
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languageClassLoader = new LanguageClassLoader();
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serviceLoader = ServiceLoader.load(IModLanguageProvider.class, languageClassLoader);
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loadLanguageProviders();
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}
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private void loadLanguageProviders() {
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LOGGER.debug(CORE, "Found {} language providers", ServiceLoaderStreamUtils.toList(serviceLoader).size());
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serviceLoader.forEach(languageProviders::add);
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languageProviders.forEach(lp -> {
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final Path lpPath;
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try {
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lpPath = Paths.get(lp.getClass().getProtectionDomain().getCodeSource().getLocation().toURI());
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} catch (URISyntaxException e) {
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throw new RuntimeException("Huh?", e);
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}
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Optional<String> implementationVersion = JarVersionLookupHandler.getImplementationVersion(lp.getClass());
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String impl = implementationVersion.orElse(Files.isDirectory(lpPath) ? FMLLoader.forgeVersion.split("\\.")[0] : null);
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if (impl == null) {
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LOGGER.fatal(CORE, "Found unversioned language provider {}", lp.name());
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throw new RuntimeException("Failed to find implementation version for language provider "+ lp.name());
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}
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LOGGER.debug(CORE, "Found language provider {}, version {}", lp.name(), impl);
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languageProviderMap.put(lp.name(), new ModLanguageWrapper(lp, new DefaultArtifactVersion(impl)));
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});
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}
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void addForgeLanguage(final Path forgePath) {
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if (!languageProviderMap.containsKey("javafml")) {
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LOGGER.debug(CORE,"Adding forge as a language from {}", forgePath.toString());
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addLanguagePaths(Stream.of(forgePath));
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serviceLoader.reload();
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loadLanguageProviders();
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} else {
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LOGGER.debug(CORE, "Skipping adding forge jar - javafml is already present");
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}
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}
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private void addLanguagePaths(final Stream<Path> langPaths) {
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languageProviders.clear();
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languageProviderMap.clear();
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langPaths.map(Path::toFile).map(File::toURI).map(rethrowFunction(URI::toURL)).forEach(languageClassLoader::addURL);
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}
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public void addAdditionalLanguages(List<ModFile> modFiles)
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{
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if (modFiles==null) return;
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Stream<Path> langPaths = modFiles.stream().map(ModFile::getFilePath);
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addLanguagePaths(langPaths);
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serviceLoader.reload();
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loadLanguageProviders();
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}
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public IModLanguageProvider findLanguage(ModFile mf, String modLoader, VersionRange modLoaderVersion) {
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final String languageFileName = mf.getLocator() instanceof ExplodedDirectoryLocator ? "in-development" : mf.getFileName();
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final ModLanguageWrapper mlw = languageProviderMap.get(modLoader);
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if (mlw == null) {
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LOGGER.error("Missing language {} version {} wanted by {}", modLoader, modLoaderVersion, languageFileName);
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throw new EarlyLoadingException("Missing language "+modLoader, null, Collections.singletonList(new EarlyLoadingException.ExceptionData("fml.language.missingversion", modLoader, modLoaderVersion, languageFileName, "null")));
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}
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if (!modLoaderVersion.containsVersion(mlw.getVersion())) {
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LOGGER.error("Missing language {} version {} wanted by {}, found {}", modLoader, modLoaderVersion, languageFileName, mlw.getVersion());
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throw new EarlyLoadingException("Missing language "+ modLoader + " matching range "+modLoaderVersion + " found "+mlw.getVersion(), null, Collections.singletonList(new EarlyLoadingException.ExceptionData("fml.language.missingversion", modLoader, modLoaderVersion, languageFileName, mlw.getVersion())));
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}
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return mlw.getModLanguageProvider();
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}
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}
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