MarkerLookup

@Plugin(name = "marker", category = "Lookup")
public class MarkerLookup implements StrLookup {

    private final Marker marker;

    public MarkerLookup(Marker marker) {
        this.marker = marker;
    }

    public MarkerLookup() {
        this.marker = null;
    }

    @Override
    public String lookup(final String key) {
        if (marker == null) {
            return null;
        }
        final String obj = marker.getName();
        if (obj == null) {
            return null;
        }
        return obj;
    }

    @Override
    public String lookup(final LogEvent event, final String key) {
        if (marker != null) {
            return marker.getName();
        }
        return null;
        /*
        if (marker == null) {
            return null;
        }
        if (marker.getName().equals(key)) {
            return key;
        }
        return null;
        */
    }
}