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Jodd Core tools and huge number of utilities.

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// Copyright (c) 2003-present, Jodd Team (http://jodd.org)
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are met:
//
// 1. Redistributions of source code must retain the above copyright notice,
// this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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package jodd.util.cl;

import java.util.Objects;

/**
 * Class loader strategy defines how classes should be loaded.
 */
@FunctionalInterface
public interface ClassLoaderStrategy {

	/**
	 * Default implementation of {@link ClassLoaderStrategy}.
	 */
	class Implementation {

		private static ClassLoaderStrategy classLoaderStrategy = new DefaultClassLoaderStrategy();

		/**
		 * Sets the instance.
		 */
		public static void set(final ClassLoaderStrategy classLoaderStrategy) {
			Objects.requireNonNull(classLoaderStrategy);
			Implementation.classLoaderStrategy = classLoaderStrategy;
		}
	}

	/**
	 * Returns the implementation.
	 */
	static ClassLoaderStrategy get() {
		return Implementation.classLoaderStrategy;
	}

	// ---------------------------------------------------------------- interface

	/**
	 * Loads class with given name and optionally provided class loader.
	 */
	Class loadClass(String className, ClassLoader classLoader) throws ClassNotFoundException;

}