@Stateless
public class StratocasterImpl implements Stratocaster {


    @Resource(name = "pickups")
    private List<Pickup> pickups;

    @Resource(name = "style")
    private Style style;

    @Resource(name = "dateCreated")
    private Date dateCreated;

    @Resource(name = "guitarStringGuages")
    private Map<String, Float> guitarStringGuages;

    @Resource(name = "certificateOfAuthenticity")
    private File certificateOfAuthenticity;

    public Date getDateCreated() {
        return dateCreated;
    }

    /**
     * Gets the guage of the electric guitar strings
     * used in this guitar.
     * @param string
     * @return
     */
    public float getStringGuage(String string){
        return guitarStringGuages.get(string);
    }

    public List<Pickup> getPickups() {
        return pickups;
    }

    public Style getStyle() {
        return style;
    }

    public File getCertificateOfAuthenticity() {
        return certificateOfAuthenticity;
    }
}

guitarStringGuages=E1=0.052\nA=0.042\nD=0.030\nG=0.017\nB=0.013\nE=0.010
certificateOfAuthenticity=/tmp/strat-certificate.txt
dateCreated=1962-03-01
pickups=S,S,S
style=VINTAGE

public class PickupEditor extends java.beans.PropertyEditorSupport {

    public void setAsText(String text) throws IllegalArgumentException {
        text = text.trim();

        if (text.equalsIgnoreCase("H")) setValue(Pickup.HUMBUCKER);
        else if (text.equalsIgnoreCase("S")) setValue(Pickup.SINGLE_COIL);
        else throw new IllegalStateException("H and S are the only supported Pickup aliases");
    }
}

import java.beans.PropertyEditorManager;

public enum Pickup {

    HUMBUCKER,
    SINGLE_COIL;

    // Here's the little magic where we register the PickupEditor
    // which knows how to create this object from a string.
    // You can add any of your own Property Editors in the same way.
    static {
        PropertyEditorManager.registerEditor(Pickup.class, PickupEditor.class);
    }
}

public class StratocasterTest extends TestCase {

    private InitialContext initialContext;

    protected void setUp() throws Exception {
        Properties properties = new Properties();
        properties.setProperty(Context.INITIAL_CONTEXT_FACTORY, "org.apache.openejb.client.LocalInitialContextFactory");

        initialContext = new InitialContext(properties);
    }

    public void test() throws Exception {
        Stratocaster strat = (Stratocaster) initialContext.lookup("StratocasterImplLocal");


        Date date = DateFormat.getDateInstance(DateFormat.MEDIUM, Locale.US).parse("Mar 1, 1962");
        assertEquals("Strat.getDateCreated()", date, strat.getDateCreated());

        List<Pickup> pickups = asList(Pickup.SINGLE_COIL, Pickup.SINGLE_COIL, Pickup.SINGLE_COIL);
        assertEquals("Strat.getPickups()", pickups, strat.getPickups());

        assertEquals("Strat.getStyle()", Style.VINTAGE, strat.getStyle());

        assertEquals("Strat.getStringGuage(\"E1\")", 0.052F, strat.getStringGuage("E1"));
        assertEquals("Strat.getStringGuage(\"A\")", 0.042F, strat.getStringGuage("A"));
        assertEquals("Strat.getStringGuage(\"D\")", 0.030F, strat.getStringGuage("D"));
        assertEquals("Strat.getStringGuage(\"G\")", 0.017F, strat.getStringGuage("G"));
        assertEquals("Strat.getStringGuage(\"B\")", 0.013F, strat.getStringGuage("B"));
        assertEquals("Strat.getStringGuage(\"E\")", 0.010F, strat.getStringGuage("E"));

        File file = new File("/tmp/strat-certificate.txt");
        assertEquals("Strat.getCertificateOfAuthenticity()", file, strat.getCertificateOfAuthenticity());


    }
}