85 lines
4.0 KiB
Java
85 lines
4.0 KiB
Java
package io.gitlab.jfronny.libjf.config.impl.reflect;
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import io.gitlab.jfronny.commons.reflect.Reflect;
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import io.gitlab.jfronny.commons.throwable.ThrowingConsumer;
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import io.gitlab.jfronny.libjf.LibJf;
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import io.gitlab.jfronny.libjf.config.api.v1.*;
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import io.gitlab.jfronny.libjf.config.api.v1.dsl.CategoryBuilder;
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import io.gitlab.jfronny.libjf.config.api.v1.dsl.ConfigBuilder;
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import io.gitlab.jfronny.libjf.config.api.v1.reflect.ReflectiveConfigBuilder;
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import io.gitlab.jfronny.libjf.config.impl.AuxiliaryMetadata;
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import io.gitlab.jfronny.libjf.config.impl.dsl.DslEntryInfo;
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import java.lang.reflect.Field;
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import java.lang.reflect.Method;
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import java.util.Objects;
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import java.util.function.Function;
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public class ReflectiveConfigBuilderImpl implements ReflectiveConfigBuilder {
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private final AuxiliaryMetadata rootMeta;
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private final Class<?> rootClass;
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private final Class<?> rootTweaker;
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private final String id;
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public ReflectiveConfigBuilderImpl(String id, Class<?> klazz) {
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this.id = id;
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this.rootClass = Objects.requireNonNull(klazz);
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JfConfig annotation = klazz.getAnnotation(JfConfig.class);
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rootTweaker = annotation.tweaker();
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this.rootMeta = AuxiliaryMetadata.of(annotation).merge(AuxiliaryMetadata.forMod(id));
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}
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@Override
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public ConfigBuilder<?> apply(ConfigBuilder<?> builder) {
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return applyCategory(builder, rootClass, findTweaker(rootTweaker, ConfigBuilder.class), rootMeta);
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}
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private <T extends CategoryBuilder<?>> T applyCategory(T builder, Class<?> configClass, Function<T, T> tweaker, AuxiliaryMetadata meta) {
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meta.applyTo(builder);
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for (Field field : configClass.getFields()) {
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if (field.isAnnotationPresent(Entry.class)) {
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builder.value(DslEntryInfo.ofField(field));
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}
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}
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for (Method method : configClass.getMethods()) {
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try {
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if (method.isAnnotationPresent(Preset.class)) {
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builder.addPreset(builder.getTranslationPrefix() + method.getName(), ReflectiveConfigBuilderImpl.<ConfigCategory>staticToConsumer(configClass, method).addHandler(e -> LibJf.LOGGER.error("Could not apply preset", e)));
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} else if (method.isAnnotationPresent(Verifier.class)) {
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builder.addVerifier(ReflectiveConfigBuilderImpl.<ConfigCategory>staticToConsumer(configClass, method).addHandler(e -> LibJf.LOGGER.error("Could not run verifier", e)));
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}
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} catch (Throwable t) {
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LibJf.LOGGER.error("Could not process method " + method.getName() + " of config class " + configClass.getName());
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}
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}
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for (Class<?> categoryClass : configClass.getClasses()) {
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if (categoryClass.isAnnotationPresent(Category.class)) {
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Category annotation = categoryClass.getAnnotation(Category.class);
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String name = categoryClass.getSimpleName();
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name = Character.toLowerCase(name.charAt(0)) + name.substring(1); // camelCase
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var categoryTweaker = findTweaker(annotation.tweaker(), CategoryBuilder.class);
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builder.category(name, builder1 -> applyCategory(builder1, categoryClass, categoryTweaker, AuxiliaryMetadata.of(categoryClass.getAnnotation(Category.class))));
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}
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}
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return tweaker.apply(builder);
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}
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private <T> Function<T, T> findTweaker(Class<?> targetClass, Class<T> tweakedClass) {
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try {
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return Objects.equals(targetClass, void.class)
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? Function.identity()
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: Reflect.staticFunction(targetClass, "tweak", tweakedClass, tweakedClass);
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} catch (Throwable t) {
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LibJf.LOGGER.error("Could not find tweaker " + targetClass + " for mod " + id, t);
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return Function.identity();
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}
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}
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public static <T> ThrowingConsumer<T, Throwable> staticToConsumer(Class<?> klazz, Method method) throws Throwable {
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Runnable rn = Reflect.staticProcedure(klazz, method.getName());
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return c -> rn.run();
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}
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}
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