Question

I have a class, being injected by guice and this class constructor invokes super, with resource loaded by class.getResource(..)

@SuppressWarnings("serial")
public class CleanAction extends AbstractAction {

    private final JTable table;
    private final PowderTableModel tableModel;

    @Inject
    public CleanAction(@Named("data") JTable table, PowderTableModel tableModel) {
        super("Clean", new ImageIcon(CleanAction.class.getResource("/icons/table.png")));
        this.table = table;
        this.tableModel = tableModel;
    }

...
}

It works fine in tests, but during guice initialization the result of CleanAction.class.getResource(“icons/table.png”) is null, so it fails with NullPointerException.

Is there any guice way to inject resources?

Answer 1

To answer your question “Is there any guice way to inject resources?”, I would say “no, not out of the box”.

However, I have implemented one ResourceInjector service, based on Guice, in Guts-GUI framework (Apache License 2.0). Feel free to take a look at it and see how I have used Guice features to ensure that resources can be injected at Guice injection time.

This is much more general than what you describe (in “resources” I include text for JLabel, JButton…)

Please note, however, that automatic resource injection is a complex business (many different types of resources…)