mirror of
https://github.com/architectury/architectury-loom.git
synced 2026-03-28 04:07:01 -05:00
290 lines
11 KiB
Java
290 lines
11 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) 2021-2022 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 java.io.ByteArrayInputStream;
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import java.io.DataInputStream;
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import java.io.IOException;
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import java.io.InputStreamReader;
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import java.io.UncheckedIOException;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.NoSuchFileException;
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import java.nio.file.Path;
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import java.nio.file.StandardCopyOption;
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import java.nio.file.StandardOpenOption;
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import java.util.Collection;
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import java.util.Collections;
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import java.util.HashMap;
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import java.util.Iterator;
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import java.util.Map;
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import java.util.function.Function;
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import java.util.stream.Stream;
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import org.jetbrains.annotations.Nullable;
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import org.objectweb.asm.ClassReader;
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import org.objectweb.asm.ClassVisitor;
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import org.objectweb.asm.ClassWriter;
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import net.fabricmc.loom.LoomGradlePlugin;
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public class ZipUtils {
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public static boolean isZip(Path zip) throws IOException {
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if (Files.notExists(zip)) {
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throw new NoSuchFileException("Cannot check if '" + zip + "' is a zip because it doesn't exist!");
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}
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if (Files.isRegularFile(zip)) {
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try (DataInputStream in = new DataInputStream(Files.newInputStream(zip))) {
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int header = in.readInt();
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// See https://en.wikipedia.org/wiki/List_of_file_signatures
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return header == 0x504B0304 || header == 0x504B0506 || header == 0x504B0708;
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}
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} else {
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return false;
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}
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}
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public static boolean contains(Path zip, String path) {
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try (FileSystemUtil.Delegate fs = FileSystemUtil.getJarFileSystem(zip, false)) {
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Path fsPath = fs.get().getPath(path);
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return Files.exists(fsPath);
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} catch (IOException e) {
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throw new UncheckedIOException("Failed to check file from zip", e);
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}
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}
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public static void unpackAll(Path zip, Path output) throws IOException {
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try (FileSystemUtil.Delegate fs = FileSystemUtil.getJarFileSystem(zip, false);
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Stream<Path> walk = Files.walk(fs.get().getPath("/"))) {
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Iterator<Path> iterator = walk.iterator();
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while (iterator.hasNext()) {
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Path fsPath = iterator.next();
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if (!Files.isRegularFile(fsPath)) continue;
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Path dstPath = output.resolve(fs.get().getPath("/").relativize(fsPath).toString());
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Path dstPathParent = dstPath.getParent();
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if (dstPathParent != null) Files.createDirectories(dstPathParent);
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Files.copy(fsPath, dstPath, StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.COPY_ATTRIBUTES);
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}
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}
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}
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public static byte @Nullable [] unpackNullable(Path zip, String path) throws IOException {
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try {
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return unpack(zip, path);
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} catch (NoSuchFileException e) {
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return null;
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}
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}
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public static byte[] unpack(Path zip, String path) throws IOException {
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try (FileSystemUtil.Delegate fs = FileSystemUtil.getJarFileSystem(zip, false)) {
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return fs.readAllBytes(path);
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}
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}
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public static <T> T unpackGson(Path zip, String path, Class<T> clazz) throws IOException {
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final byte[] bytes = unpack(zip, path);
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return LoomGradlePlugin.GSON.fromJson(new String(bytes, StandardCharsets.UTF_8), clazz);
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}
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@Nullable
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public static <T> T unpackGsonNullable(Path zip, String path, Class<T> clazz) throws IOException {
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try {
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return unpackGson(zip, path, clazz);
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} catch (NoSuchFileException e) {
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return null;
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}
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}
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public static <T> T unpackJson(Path zip, String path, Class<T> clazz) throws IOException {
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final byte[] bytes = unpack(zip, path);
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return LoomGradlePlugin.GSON.fromJson(new String(bytes, StandardCharsets.UTF_8), clazz);
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}
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public static void pack(Path from, Path zip) throws IOException {
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Files.deleteIfExists(zip);
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if (!Files.isDirectory(from)) throw new IllegalArgumentException(from + " is not a directory!");
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int count = 0;
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try (FileSystemUtil.Delegate fs = FileSystemUtil.getJarFileSystem(zip, true);
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Stream<Path> walk = Files.walk(from)) {
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Iterator<Path> iterator = walk.iterator();
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while (iterator.hasNext()) {
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Path fromPath = iterator.next();
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if (!Files.isRegularFile(fromPath)) continue;
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Path fsPath = fs.get().getPath(from.relativize(fromPath).toString());
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Path fsPathParent = fsPath.getParent();
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if (fsPathParent != null) Files.createDirectories(fsPathParent);
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Files.copy(fromPath, fsPath, StandardCopyOption.REPLACE_EXISTING, StandardCopyOption.COPY_ATTRIBUTES);
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count++;
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}
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}
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if (count == 0) {
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throw new IOException("Noting packed into %s from %s".formatted(zip, from));
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}
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}
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public static void add(Path zip, String path, String str) throws IOException {
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add(zip, path, str.getBytes(StandardCharsets.UTF_8));
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}
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public static void add(Path zip, String path, byte[] bytes) throws IOException {
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add(zip, Collections.singleton(new Pair<>(path, bytes)));
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}
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public static void add(Path zip, Iterable<Pair<String, byte[]>> files) throws IOException {
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try (FileSystemUtil.Delegate fs = FileSystemUtil.getJarFileSystem(zip, true)) {
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for (Pair<String, byte[]> pair : files) {
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Path fsPath = fs.get().getPath(pair.left());
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Path fsPathParent = fsPath.getParent();
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if (fsPathParent != null) Files.createDirectories(fsPathParent);
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Files.write(fsPath, pair.right(), StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING);
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}
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}
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}
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public static void replace(Path zip, String path, byte[] bytes) throws IOException {
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try (FileSystemUtil.Delegate fs = FileSystemUtil.getJarFileSystem(zip, true)) {
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Path fsPath = fs.get().getPath(path);
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if (Files.exists(fsPath)) {
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Files.write(fsPath, bytes, StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING);
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} else {
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throw new NoSuchFileException(fsPath.toString());
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}
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}
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}
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public static int transformString(Path zip, Collection<Pair<String, UnsafeUnaryOperator<String>>> transforms) throws IOException {
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return transformString(zip, transforms.stream());
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}
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public static int transformString(Path zip, Stream<Pair<String, UnsafeUnaryOperator<String>>> transforms) throws IOException {
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return transformString(zip, collectTransformersStream(transforms));
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}
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public static int transformString(Path zip, Map<String, UnsafeUnaryOperator<String>> transforms) throws IOException {
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return transformMapped(zip, transforms, bytes -> new String(bytes, StandardCharsets.UTF_8), s -> s.getBytes(StandardCharsets.UTF_8));
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}
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public static <T> int transformJson(Class<T> typeOfT, Path zip, Collection<Pair<String, UnsafeUnaryOperator<T>>> transforms) throws IOException {
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return transformJson(typeOfT, zip, transforms.stream());
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}
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public static <T> int transformJson(Class<T> typeOfT, Path zip, Stream<Pair<String, UnsafeUnaryOperator<T>>> transforms) throws IOException {
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return transformJson(typeOfT, zip, collectTransformersStream(transforms));
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}
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public static <T> int transformJson(Class<T> typeOfT, Path zip, Map<String, UnsafeUnaryOperator<T>> transforms) throws IOException {
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return transformMapped(zip, transforms, bytes -> LoomGradlePlugin.GSON.fromJson(new InputStreamReader(new ByteArrayInputStream(bytes)), typeOfT),
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s -> LoomGradlePlugin.GSON.toJson(s, typeOfT).getBytes(StandardCharsets.UTF_8));
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}
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public static <T> void transformJson(Class<T> typeOfT, Path zip, String path, UnsafeUnaryOperator<T> transformer) throws IOException {
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int transformed = transformJson(typeOfT, zip, Map.of(path, transformer));
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if (transformed != 1) {
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throw new IOException("Failed to transform " + path + " in " + zip);
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}
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}
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public static int transform(Path zip, Collection<Pair<String, UnsafeUnaryOperator<byte[]>>> transforms) throws IOException {
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return transform(zip, transforms.stream());
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}
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public static int transform(Path zip, Stream<Pair<String, UnsafeUnaryOperator<byte[]>>> transforms) throws IOException {
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return transform(zip, collectTransformersStream(transforms));
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}
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public static <T> int transformMapped(Path zip, Map<String, UnsafeUnaryOperator<T>> transforms, Function<byte[], T> deserializer, Function<T, byte[]> serializer) throws IOException {
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Map<String, UnsafeUnaryOperator<byte[]>> newTransforms = new HashMap<>();
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for (Map.Entry<String, UnsafeUnaryOperator<T>> entry : transforms.entrySet()) {
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if (entry.getValue() != null) {
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newTransforms.put(entry.getKey(), bytes -> {
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return serializer.apply(entry.getValue().apply(deserializer.apply(bytes)));
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});
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}
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}
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return transform(zip, newTransforms);
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}
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public static int transform(Path zip, Map<String, UnsafeUnaryOperator<byte[]>> transforms) throws IOException {
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int replacedCount = 0;
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try (FileSystemUtil.Delegate fs = FileSystemUtil.getJarFileSystem(zip, false)) {
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for (Map.Entry<String, UnsafeUnaryOperator<byte[]>> entry : transforms.entrySet()) {
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Path fsPath = fs.get().getPath(entry.getKey());
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if (Files.exists(fsPath) && entry.getValue() != null) {
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Files.write(fsPath, entry.getValue().apply(Files.readAllBytes(fsPath)), StandardOpenOption.CREATE, StandardOpenOption.TRUNCATE_EXISTING);
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replacedCount++;
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}
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}
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}
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return replacedCount;
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}
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@FunctionalInterface
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public interface UnsafeUnaryOperator<T> {
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T apply(T arg) throws IOException;
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}
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public interface AsmClassOperator extends UnsafeUnaryOperator<byte[]> {
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ClassVisitor visit(ClassVisitor classVisitor);
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@Override
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default byte[] apply(byte[] arg) throws IOException {
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final ClassReader reader = new ClassReader(arg);
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final ClassWriter writer = new ClassWriter(0);
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reader.accept(visit(writer), 0);
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return writer.toByteArray();
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}
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}
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private static <T> Map<String, UnsafeUnaryOperator<T>> collectTransformersStream(Stream<Pair<String, UnsafeUnaryOperator<T>>> transforms) {
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Map<String, UnsafeUnaryOperator<T>> map = new HashMap<>();
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Iterator<Pair<String, UnsafeUnaryOperator<T>>> iterator = transforms.iterator();
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while (iterator.hasNext()) {
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Pair<String, UnsafeUnaryOperator<T>> next = iterator.next();
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map.put(next.left(), next.right());
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}
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return map;
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}
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}
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