gistfile1.java

public enum Foo {

    Bar("Bar"),
    Baz("Baz");

    public final String value;
    
    private Foo(final String value) {
        this.value = value;
    }
    
    public static Foo parse(final String value) {
        if (value.equals(Foo.Bar.value)) {
            return Foo.Bar;
        } else if (value.equals(Foo.Baz.value)) {
            return Foo.Baz;
        }
        throw new IllegalArgumentException("Unsupported foo: " + value);
    }
}