net.neoforged.art.internal.ClassLoaderClassProvider Maven / Gradle / Ivy

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A tool that renames java bytecode elements.

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/*
 * Copyright (c) Forge Development LLC and contributors
 * SPDX-License-Identifier: LGPL-2.1-only
 */

package net.neoforged.art.internal;

import net.neoforged.art.api.ClassProvider;
import org.jetbrains.annotations.Nullable;

import java.io.IOException;
import java.util.Optional;

public class ClassLoaderClassProvider implements ClassProvider {
    private final ClassLoader classLoader;

    public ClassLoaderClassProvider(@Nullable ClassLoader classLoader) {
        this.classLoader = classLoader == null ? this.getClass().getClassLoader() : classLoader;
    }

    @Override
    public Optional getClass(String name) {
        try {
            Class cls = Class.forName(name.replace('/', '.'), false, this.classLoader);
            return Optional.of(new ClassProviderImpl.ClassInfo(cls));
        } catch (ClassNotFoundException | NoClassDefFoundError ex) {
            return Optional.empty();
        }
    }

    @Override
    public void close() throws IOException {}
}