public void addAEExtension(AEExtension ext) {
Class<? extends AEExtension> clazz = ext.getClass();
if (extensions.containsKey(clazz))
throw new IllegalStateException("already contains AE Extension:" + clazz);
ext.setApplicationEntity(this);
extensions.put(clazz, ext);
}
private void reconfigureAEExtensions(ApplicationEntity from) {
for (Iterator<Class<? extends AEExtension>> it = extensions.keySet().iterator();
it.hasNext(); ) {
if (!from.extensions.containsKey(it.next())) it.remove();
}
for (AEExtension src : from.extensions.values()) {
Class<? extends AEExtension> clazz = src.getClass();
AEExtension ext = extensions.get(clazz);
if (ext == null)
try {
addAEExtension(ext = clazz.newInstance());
} catch (Exception e) {
throw new RuntimeException("Failed to instantiate " + clazz.getName(), e);
}
ext.reconfigure(src);
}
}
public boolean removeAEExtension(AEExtension ext) {
if (extensions.remove(ext.getClass()) == null) return false;
ext.setApplicationEntity(null);
return true;
}