private void setAttributeInternal( File file, String view, String attribute, Object value, boolean create) { AttributeProvider provider = providersByName.get(view); if (provider != null) { if (provider.supports(attribute)) { provider.set(file, view, attribute, value, create); return; } for (String inheritedView : provider.inherits()) { AttributeProvider inheritedProvider = providersByName.get(inheritedView); if (inheritedProvider.supports(attribute)) { inheritedProvider.set(file, view, attribute, value, create); return; } } } throw new IllegalArgumentException("cannot set attribute '" + view + ":" + attribute + "'"); }