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Incremental compiler of Scala

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/*
 * Zinc - The incremental compiler for Scala.
 * Copyright Scala Center, Lightbend, and Mark Harrah
 *
 * Licensed under Apache License 2.0
 * SPDX-License-Identifier: Apache-2.0
 *
 * See the NOTICE file distributed with this work for
 * additional information regarding copyright ownership.
 */

package xsbti.compile;

import java.util.Optional;

/**
 * Defines utilities to get classfile managers from the types.
 * 
 * One can have access to the classfile manager types from IncOptions.
 */
public final class ClassFileManagerUtil {
    /**
     * Get the default classfile manager implementation for a given classfile manager type.
     *
     * @param classFileManagerType The classfile manager type.
     * @return A classfile manager implementation.
     */
    public static ClassFileManager getDefaultClassFileManager(ClassFileManagerType classFileManagerType) {
        return sbt.internal.inc.ClassFileManager.getDefaultClassFileManager(
                Optional.of(classFileManagerType), new AuxiliaryClassFiles[0]);
    }

    /**
     * Get the default classfile manager implementation for a given classfile manager type,
     * extracted from an instance of {@link IncOptions}.
     *
     * @param incOptions The Incremental compiler options.
     * @return A classfile manager implementation.
     */
    public static ClassFileManager getDefaultClassFileManager(IncOptions incOptions) {
        return sbt.internal.inc.ClassFileManager.getDefaultClassFileManager(
                incOptions.classfileManagerType(), incOptions.auxiliaryClassFiles());
    }
}