/* * 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.mods; import java.io.File; import java.io.FileReader; import java.io.IOException; import com.google.gson.JsonObject; import org.gradle.api.Project; import org.gradle.api.plugins.JavaPluginExtension; import net.fabricmc.loom.LoomGradlePlugin; public class ModVersionParser { private final Project project; private String version = null; public ModVersionParser(Project project) { this.project = project; } public String getModVersion() { if (version != null) { return version; } File json = locateModJsonFile(); JsonObject jsonObject; try (var reader = new FileReader(json)) { jsonObject = LoomGradlePlugin.GSON.fromJson(reader, JsonObject.class); } catch (IOException e) { throw new RuntimeException("Failed to read fabric.mod.json file"); } if (!jsonObject.has("version") || !jsonObject.get("version").isJsonPrimitive()) { throw new UnsupportedOperationException("Could not find valid version in the fabric.mod.json file"); } version = jsonObject.get("version").getAsString(); return version; } private File locateModJsonFile() { return project.getExtensions().getByType(JavaPluginExtension.class).getSourceSets() .getByName("main") .getResources() .matching(patternFilterable -> patternFilterable.include("fabric.mod.json")) .getSingleFile(); } }