ThreadsSteps.java

package org.jbehave.examples.threads.steps;

import java.util.concurrent.TimeUnit;
import java.util.concurrent.atomic.AtomicInteger;

import org.jbehave.core.annotations.When;

public class ThreadsSteps {

    @When("$name counts to $n Mississippi")
    public void whenSomeoneCountsMississippis(String name, AtomicInteger n) {
        long start = System.currentTimeMillis();
        System.out.println(name + " starts counting to " + n);
        for (int i = 0; i < n.intValue(); i++) {
            System.out.println(name + " says " + i + " Mississippi (after " + elapsedSeconds(start) + " s)");
            sleepFor(1, TimeUnit.SECONDS);
        }
    }

    private long elapsedSeconds(long start) {
        return (System.currentTimeMillis() - start)/1000L;
    }

    private void sleepFor(int i, TimeUnit unit) {
        try {
            unit.sleep(i);
        } catch (InterruptedException e) {
            System.out.println("Yawn! Who's there?");
            throw new RuntimeException(e);
        }
    }

    @When("something bad happens")
    public void whenSomethingBadHappens() {
        throw new RuntimeException("C'est la vie");
    }
}