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This module defines the implementation of white-listing in Hotmoka. It is used to define a subset of Java that can be used for Takamaka smart contracts.

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/*
Copyright 2021 Fausto Spoto

Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/

package io.hotmoka.whitelisting;

import java.util.stream.Stream;

import io.hotmoka.whitelisting.api.ResolvingClassLoader;
import io.hotmoka.whitelisting.internal.ResolvingClassLoaderImpl;

/**
 * A provider of resolving class loaders.
 */
public final class ResolvingClassLoaders {

	private ResolvingClassLoaders() {}

	/**
	 * Yields a resolving class loader that loads classes from the given jars, provided as byte arrays.
	 * 
	 * @param jars the jars, as byte arrays
	 * @param verificationVersion the version of the verification module that must be used; this affects the
	 *                            set of white-listing annotations used by the class loader
	 * @return the class loader
	 */
	public static ResolvingClassLoader of(Stream jars, long verificationVersion) {
		return new ResolvingClassLoaderImpl(jars, verificationVersion);
	}
}