org.hibernate.validator.internal.util.privilegedactions.SetContextClassLoader Maven / Gradle / Ivy

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Hibernate's Bean Validation (JSR-380) reference implementation.

There is a newer version: 8.0.1.Final

/*
 * Hibernate Validator, declare and validate application constraints
 *
 * License: Apache License, Version 2.0
 * See the license.txt file in the root directory or .
 */
package org.hibernate.validator.internal.util.privilegedactions;

import java.security.PrivilegedAction;

import org.hibernate.validator.internal.util.Contracts;

/**
 * Privileged action used to set the Thread context class loader.
 *
 * @author Guillaume Smet
 */
public final class SetContextClassLoader implements PrivilegedAction {
	private final ClassLoader classLoader;

	public static SetContextClassLoader action(ClassLoader classLoader) {
		Contracts.assertNotNull( classLoader, "class loader must not be null" );
		return new SetContextClassLoader( classLoader );
	}

	private SetContextClassLoader(ClassLoader classLoader) {
		this.classLoader = classLoader;
	}

	@Override
	public Void run() {
		Thread.currentThread().setContextClassLoader( classLoader );
		return null;
	}
}