227 lines
8.4 KiB
Java
227 lines
8.4 KiB
Java
/*
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* This file is part of fabric-loom, licensed under the MIT License (MIT).
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*
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* Copyright (c) 2016, 2017, 2018 FabricMC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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* SOFTWARE.
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*/
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package net.fabricmc.loom.util;
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import com.google.gson.Gson;
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import com.google.gson.JsonArray;
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import com.google.gson.JsonObject;
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import net.fabricmc.loom.LoomGradleExtension;
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import net.fabricmc.loom.providers.MappingsProvider;
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import net.fabricmc.loom.providers.MinecraftMappedProvider;
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import net.fabricmc.tinyremapper.OutputConsumerPath;
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import net.fabricmc.tinyremapper.TinyRemapper;
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import net.fabricmc.tinyremapper.TinyUtils;
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import org.apache.commons.io.IOUtils;
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import org.gradle.api.Project;
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import org.gradle.internal.impldep.aQute.lib.strings.Strings;
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import org.zeroturnaround.zip.ZipUtil;
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import org.zeroturnaround.zip.commons.FileUtils;
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import org.zeroturnaround.zip.transform.StringZipEntryTransformer;
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import org.zeroturnaround.zip.transform.ZipEntryTransformerEntry;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.nio.charset.StandardCharsets;
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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.Collection;
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import java.util.jar.JarEntry;
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import java.util.jar.JarFile;
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import java.util.zip.ZipEntry;
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public class ModProcessor {
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private static final Gson GSON = new Gson();
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public static void handleMod(File input, File output, Project project){
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if(output.exists()){
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output.delete();
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}
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remapJar(input, output, project);
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readInstallerJson(input, project);
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//Enable this if you want your nested jars to be extracted, this will extract **all** jars
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if(project.getExtensions().getByType(LoomGradleExtension.class).extractJars){
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try {
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handleNestedJars(input, project);
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} catch (IOException e) {
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throw new RuntimeException("Failed to handle nested jar", e);
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}
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}
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//Always strip the nested jars
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stripNestedJars(output);
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}
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private static void handleNestedJars(File input, Project project) throws IOException {
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JarFile jarFile = new JarFile(input);
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JarEntry modJsonEntry = jarFile.getJarEntry("fabric.mod.json");
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if(modJsonEntry == null){
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return;
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}
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try(InputStream inputStream = jarFile.getInputStream(modJsonEntry)){
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JsonObject json = GSON.fromJson(new InputStreamReader(inputStream), JsonObject.class);
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if(json == null || !json.has("jars")){
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return;
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}
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JsonArray jsonArray = json.getAsJsonArray("jars");
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for (int i = 0; i < jsonArray.size(); i++) {
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JsonObject jsonObject = jsonArray.get(i).getAsJsonObject();
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String fileName = jsonObject.get("file").getAsString();
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project.getLogger().lifecycle(String.format("Found %s nested in %s", fileName, input.getName()));
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processNestedJar(jarFile, fileName, project);
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}
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}
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}
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private static void processNestedJar(JarFile parentJar, String fileName, Project project){
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LoomGradleExtension extension = project.getExtensions().getByType(LoomGradleExtension.class);
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JarEntry entry = parentJar.getJarEntry(fileName);
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if(entry == null){
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throw new RuntimeException(Strings.format("%s was not found in %s", fileName, parentJar.getName()));
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}
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File nestedFile = new File(extension.getNestedModCache(), fileName.substring(fileName.lastIndexOf("/")));
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try(InputStream jarStream = parentJar.getInputStream(entry)){
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FileUtils.copy(jarStream, nestedFile);
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} catch (IOException e) {
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throw new RuntimeException(e);
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}
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File remappedFile = new File(extension.getRemappedModCache(), fileName.substring(fileName.lastIndexOf("/")));
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handleMod(nestedFile, remappedFile, project);
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if(!remappedFile.exists()){
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throw new RuntimeException("Failed to find processed nested jar");
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}
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//Add the project right onto the remapped mods, hopefully this works
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project.getDependencies().add(Constants.COMPILE_MODS_MAPPED, project.files(remappedFile));
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}
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private static void stripNestedJars(File file){
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//Strip out all contained jar info as we dont want loader to try and load the jars contained in dev.
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ZipUtil.transformEntries(file, new ZipEntryTransformerEntry[]{(new ZipEntryTransformerEntry("fabric.mod.json", new StringZipEntryTransformer() {
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@Override
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protected String transform(ZipEntry zipEntry, String input) throws IOException {
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JsonObject json = GSON.fromJson(input, JsonObject.class);
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json.remove("jars");
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return GSON.toJson(json);
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}
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}))});
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}
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private static void remapJar(File input, File output, Project project){
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LoomGradleExtension extension = project.getExtensions().getByType(LoomGradleExtension.class);
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String fromM = "intermediary";
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String toM = "named";
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MinecraftMappedProvider mappedProvider = extension.getMinecraftMappedProvider();
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MappingsProvider mappingsProvider = extension.getMappingsProvider();
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File mappingsFile = mappingsProvider.MAPPINGS_TINY;
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Path mappings = mappingsFile.toPath();
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Path inputPath = input.getAbsoluteFile().toPath();
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Path mc = mappedProvider.MINECRAFT_INTERMEDIARY_JAR.toPath();
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Path[] mcDeps = mappedProvider.getMapperPaths().stream()
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.map(File::toPath)
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.toArray(Path[]::new);
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Path[] modCompiles = project.getConfigurations().getByName(Constants.COMPILE_MODS).getFiles().stream()
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.filter((f) -> !f.equals(input))
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.map(p -> {
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if (p.equals(input)) {
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return inputPath;
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} else {
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return p.toPath();
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}
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})
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.toArray(Path[]::new);
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project.getLogger().lifecycle(":remapping " + input.getName() + " (TinyRemapper, " + fromM + " -> " + toM + ")");
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TinyRemapper remapper = TinyRemapper.newRemapper()
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.withMappings(TinyUtils.createTinyMappingProvider(mappings, fromM, toM))
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.build();
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try (OutputConsumerPath outputConsumer = new OutputConsumerPath(Paths.get(output.getAbsolutePath()))) {
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outputConsumer.addNonClassFiles(inputPath);
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remapper.readClassPath(modCompiles);
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remapper.readClassPath(mc);
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remapper.readClassPath(mcDeps);
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remapper.readInputs(inputPath);
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remapper.apply(outputConsumer);
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} catch (Exception e){
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throw new RuntimeException("Failed to remap JAR to " + toM, e);
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} finally {
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remapper.finish();
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}
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if(!output.exists()){
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throw new RuntimeException("Failed to remap JAR to " + toM + " file not found: " + output.getAbsolutePath());
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}
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if (MixinRefmapHelper.transformRefmaps(remapper, output)) {
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project.getLogger().lifecycle(":remapping " + input.getName() + " (Mixin reference maps)");
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remapper.finish();
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}
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}
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static void readInstallerJson(File file, Project project){
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try {
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JarFile jarFile = new JarFile(file);
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LoomGradleExtension extension = project.getExtensions().getByType(LoomGradleExtension.class);
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String launchMethod = extension.getLoaderLaunchMethod();
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int priority = 0;
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ZipEntry entry = null;
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if (!launchMethod.isEmpty()) {
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entry = jarFile.getEntry("fabric-installer." + launchMethod + ".json");
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if (entry == null) {
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project.getLogger().warn("Could not find loader launch method '" + launchMethod + "', falling back");
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}
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}
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if(entry == null){
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entry = jarFile.getEntry("fabric-installer.json");
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priority = 1;
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if (entry == null) {
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jarFile.close();
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return;
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}
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}
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InputStream inputstream = jarFile.getInputStream(entry);
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String jsonStr = IOUtils.toString(inputstream, StandardCharsets.UTF_8);
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inputstream.close();
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jarFile.close();
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JsonObject jsonObject = GSON.fromJson(jsonStr, JsonObject.class);
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extension.setInstallerJson(jsonObject, priority);
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} catch (IOException e) {
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e.printStackTrace();
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}
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}
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}
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