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/**
 * Copyright (C) 2010-2018 Gordon Fraser, Andrea Arcuri and EvoSuite
 * contributors
 *
 * This file is part of EvoSuite.
 *
 * EvoSuite is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published
 * by the Free Software Foundation, either version 3.0 of the License, or
 * (at your option) any later version.
 *
 * EvoSuite is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
 * Lesser Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with EvoSuite. If not, see .
 */
package org.evosuite.junit.rules;

import org.junit.rules.TestRule;
import org.junit.runner.Description;
import org.junit.runners.model.Statement;

public abstract class BaseRule implements TestRule {

	@Override
	public Statement apply(Statement base, Description description) {
		return statement(base);
	}
	
	private Statement statement(final Statement base) {
		return new Statement() {
			@Override
			public void evaluate() throws Throwable {
				before();
				try {
					base.evaluate();
				} finally {
					after();
				}
			}
		};
	}
	
	protected abstract void before();
	
	protected abstract void after();
}