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/*
* This file is part of fabric-loom, licensed under the MIT License (MIT).
*
* Copyright (c) 2018-2021 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.build.nesting;
import java.io.File;
import java.io.IOException;
import java.nio.file.Files;
import java.util.Collection;
import java.util.stream.Collectors;
import java.util.stream.Stream;
import com.google.common.base.Preconditions;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import org.gradle.api.UncheckedIOException;
import org.gradle.api.logging.Logger;
import net.fabricmc.loom.util.ModUtils;
import net.fabricmc.loom.util.Pair;
import net.fabricmc.loom.util.ZipUtils;
public class JarNester {
public static void nestJars(Collection<File> jars, File modJar, Logger logger) {
if (jars.isEmpty()) {
logger.debug("Nothing to nest into " + modJar.getName());
return;
}
Preconditions.checkArgument(ModUtils.isMod(modJar), "Cannot nest jars into none mod jar " + modJar.getName());
try {
ZipUtils.add(modJar.toPath(), jars.stream().map(file -> {
try {
return new Pair<>("META-INF/jars/" + file.getName(), Files.readAllBytes(file.toPath()));
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}).collect(Collectors.toList()));
int count = ZipUtils.transformJson(JsonObject.class, modJar.toPath(), Stream.of(new Pair<>("fabric.mod.json", json -> {
JsonArray nestedJars = json.getAsJsonArray("jars");
if (nestedJars == null || !json.has("jars")) {
nestedJars = new JsonArray();
}
for (File file : jars) {
String nestedJarPath = "META-INF/jars/" + file.getName();
for (JsonElement nestedJar : nestedJars) {
JsonObject jsonObject = nestedJar.getAsJsonObject();
if (jsonObject.has("file") && jsonObject.get("file").getAsString().equals(nestedJarPath)) {
throw new IllegalStateException("Cannot nest 2 jars at the same path: " + nestedJarPath);
}
}
JsonObject jsonObject = new JsonObject();
jsonObject.addProperty("file", nestedJarPath);
nestedJars.add(jsonObject);
logger.debug("Nested " + nestedJarPath + " into " + modJar.getName());
}
json.add("jars", nestedJars);
return json;
})));
Preconditions.checkState(count > 0, "Failed to transform fabric.mod.json");
} catch (IOException e) {
throw new java.io.UncheckedIOException("Failed to nest jars into " + modJar.getName(), e);
}
}
}
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