Bug 79909 [JFace] Localized resource registries for JFace
Please provide improved JFace support for managing SWT resources, with the following properties: - A registry can allocate and deallocate SWT resources given a descriptor - Resources are reference-counted and shared, allowing different objects with equivalent descriptors to share resources. - Everything in the registry can be deallocated with one function call - The registry should support an open-ended set of resources (and should initially support, at minimum, Images, Fonts, Colors) - It should be possible to create a "local registry" that behaves like a regular registry but actually shares its resources with a global registry. For example, the workbench could offer a local registry as a service to views and editors. This would allow views and editors to safely allocate and deallocate SWT resources without any chance of leaking.
bundles/org.eclipse.jface/src/org/eclipse/jface/resource/ImageRegistry.java
protected Image image;
        protected ImageDescriptor descriptor;
    }
    private Entry getEntry(String key) {
        return (Entry) getTable().get(key);
    }
    private void putEntry(String key, Entry entry) {
        getTable().put(key, entry);
    }
    private Map getTable() {
        if (table == null) {
            table = new HashMap(10);
        }
        return table;
    }
}