mirror of https://github.com/Minestom/Minestom.git
82 lines
3.2 KiB
Java
82 lines
3.2 KiB
Java
package net.minestom.codegen;
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import com.google.gson.Gson;
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import com.google.gson.GsonBuilder;
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import com.google.gson.JsonObject;
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import com.squareup.javapoet.*;
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import org.jetbrains.annotations.NotNull;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import javax.lang.model.element.Modifier;
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import java.io.File;
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import java.io.IOException;
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import java.io.InputStream;
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import java.io.InputStreamReader;
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import java.util.List;
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import java.util.Locale;
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public class CodeGenerator {
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protected static final Gson GSON = new GsonBuilder().setPrettyPrinting().disableHtmlEscaping().create();
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private static final Logger LOGGER = LoggerFactory.getLogger(CodeGenerator.class);
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private final File outputFolder;
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public CodeGenerator(File outputFolder) {
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this.outputFolder = outputFolder;
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}
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public void generate(InputStream resourceFile, String packageName, String typeName, String loaderName, String generatedName) {
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if (resourceFile == null) {
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LOGGER.error("Failed to find resource file for " + typeName);
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return;
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}
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ClassName typeClass = ClassName.get(packageName, typeName);
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ClassName loaderClass = ClassName.get(packageName, loaderName);
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JsonObject json;
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json = GSON.fromJson(new InputStreamReader(resourceFile), JsonObject.class);
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ClassName materialsCN = ClassName.get(packageName, generatedName);
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// BlockConstants class
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TypeSpec.Builder blockConstantsClass = TypeSpec.interfaceBuilder(materialsCN)
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// Add @SuppressWarnings("unused")
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.addAnnotation(AnnotationSpec.builder(SuppressWarnings.class).addMember("value", "$S", "unused").build())
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.addJavadoc("Code autogenerated, do not edit!");
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// Use data
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json.keySet().forEach(namespace -> {
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final String constantName = namespace
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.replace("minecraft:", "")
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.replace(".", "_")
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.toUpperCase(Locale.ROOT);
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blockConstantsClass.addField(
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FieldSpec.builder(typeClass, constantName)
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.addModifiers(Modifier.PUBLIC, Modifier.STATIC, Modifier.FINAL)
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.initializer(
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// TypeClass.STONE = MaterialLoader.fromNamespaceId("minecraft:stone")
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"$T.get($S)",
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loaderClass,
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namespace
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)
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.build()
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);
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});
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writeFiles(
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List.of(JavaFile.builder(packageName, blockConstantsClass.build())
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.indent(" ")
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.skipJavaLangImports(true)
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.build()),
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outputFolder);
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}
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private void writeFiles(@NotNull List<JavaFile> fileList, File outputFolder) {
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for (JavaFile javaFile : fileList) {
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try {
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javaFile.writeTo(outputFolder);
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} catch (IOException e) {
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LOGGER.error("An error occured while writing source code to the file system.", e);
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}
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}
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}
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}
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