@SuppressWarnings({"rawtypes", "unchecked"})
@Override
public Object get(Object context, String name) throws EvaluationException {
if (context == null) {
return null;
}
ContextAccessor accessor = getAccessor(context);
if (accessor == null) {
throw new EvaluationException("No accessor for: " + context);
}
return accessor.get(context, name);
}
public ContextAccessor<?> getAccessor(Object object) {
if (object == null) {
return null;
} else if (!classAccessors.containsKey(object.getClass())) {
ContextAccessor<?> mostSpecific = null;
for (ContextAccessor<?> accessor : accessors) {
if (accessor.getContextType().isAssignableFrom(object.getClass())) {
if (mostSpecific == null
|| mostSpecific.getContextType().isAssignableFrom(accessor.getContextType())) {
mostSpecific = accessor;
}
}
}
synchronized (classAccessors) {
classAccessors.put(
object.getClass(), mostSpecific == null ? new JavaContextAccessor() : mostSpecific);
}
}
return classAccessors.get(object.getClass());
}