/**
* Get all of the view managers of the given class
*
* @param c ViewManager class
* @return List of ViewManagers
*/
public List getViewManagers(Class c) {
List result = new ArrayList();
List vms = getViewManagers();
for (int i = 0; i < vms.size(); i++) {
ViewManager vm = (ViewManager) vms.get(i);
if (c.isAssignableFrom(vm.getClass())) {
result.add(vm);
}
}
return result;
}
/**
* Accepts only cookies that can provide <code>Toolbar</code>.
*
* @param cookie an <code>InstanceCookie</code> to test
* @return true if the cookie can provide accepted instances
*/
protected InstanceCookie acceptCookie(InstanceCookie cookie)
throws java.io.IOException, ClassNotFoundException {
Class c = cookie.instanceClass();
if (Toolbar.class.isAssignableFrom(c)) {
return cookie;
}
if (Presenter.Toolbar.class.isAssignableFrom(c)) {
return cookie;
}
if (separatorClass.isAssignableFrom(c)) {
return cookie;
}
return null;
}
/** Check if the given collection is a uniform collection of the given type. */
public static boolean isUniformCollection(Collection<?> c, Class<?> e) {
if (e == null) {
throw new IllegalArgumentException("Null reference type");
}
if (c == null) {
throw new IllegalArgumentException("Null collection");
}
if (c.isEmpty()) {
return false;
}
for (Object o : c) {
if (o == null || !e.isAssignableFrom(o.getClass())) {
return false;
}
}
return true;
}