fabric-loom/src/main/java/net/fabricmc/loom/configuration/mods/ModVersionParser.java

77 lines
2.5 KiB
Java

/*
* 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();
}
}