LoggingRule.java for www.ivanursul.com

LoggingRule.java

package org.ivanursul.investigration.rule;

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

public class LoggingRule implements TestRule {

	private String name;

	public class LoggingStatement extends Statement {

		private final Statement statement;

		public LoggingStatement(final Statement statement) {
			this.statement = statement;
		}

		@Override
		public void evaluate() throws Throwable {
			System.out.println("before: " + name);
			statement.evaluate();
			System.out.println("after: " + name);
		}

	}

	public LoggingRule(final String name) {
		super();
		this.name = name;
	}

	@Override
	public Statement apply(final Statement base, final Description description) {
		return new LoggingStatement(base);
	}

}