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/*
* This file is part of fabric-loom, licensed under the MIT License (MIT).
*
* Copyright (c) 2021 FabricMC
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package net.fabricmc.loom.configuration.accesswidener;
import java.io.IOException;
import java.io.UncheckedIOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Path;
import com.google.gson.Gson;
import com.google.gson.JsonObject;
import net.fabricmc.loom.util.ZipUtils;
public record AccessWidenerFile(
String name,
String modId,
byte[] content
) {
/**
* Reads the access-widener contained in a mod jar, or returns null if there is none.
*/
public static AccessWidenerFile fromModJar(Path modJarPath) {
byte[] modJsonBytes;
try {
modJsonBytes = ZipUtils.unpackNullable(modJarPath, "fabric.mod.json");
} catch (IOException e) {
throw new UncheckedIOException("Failed to read access-widener file from: " + modJarPath.toAbsolutePath(), e);
}
if (modJsonBytes == null) {
return null;
}
JsonObject jsonObject = new Gson().fromJson(new String(modJsonBytes, StandardCharsets.UTF_8), JsonObject.class);
if (!jsonObject.has("accessWidener")) {
return null;
}
String awPath = jsonObject.get("accessWidener").getAsString();
String modId = jsonObject.get("id").getAsString();
byte[] content;
try {
content = ZipUtils.unpack(modJarPath, awPath);
} catch (IOException e) {
throw new UncheckedIOException("Could not find access widener file (%s) defined in the fabric.mod.json file of %s".formatted(awPath, modJarPath.toAbsolutePath()), e);
}
return new AccessWidenerFile(
awPath,
modId,
content
);
}
}
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