/**
* Unwraps the proxy and returns the underlying {@link Dom} object.
*
* @return null if the given instance is not actually a proxy to a DOM.
*/
public static Dom unwrap(ConfigBeanProxy proxy) {
ConfigBeanProxy configBeanProxy = ConfigSupport.revealProxy(proxy);
InvocationHandler ih = Proxy.getInvocationHandler(configBeanProxy);
if (ih instanceof Dom) return (Dom) ih;
if (ih instanceof ConfigView) {
return (Dom) ((ConfigView) ih).getMasterView();
}
return null;
}
@Override
public ConfigBeanProxy compute(final Class<?> proxyType) throws ComputationErrorException {
ClassLoader cl;
if (System.getSecurityManager() != null) {
cl =
AccessController.doPrivileged(
new PrivilegedAction<ClassLoader>() {
@Override
public ClassLoader run() {
return proxyType.getClassLoader();
}
});
} else {
cl = proxyType.getClassLoader();
}
ConfigBeanProxy retVal =
(ConfigBeanProxy) Proxy.newProxyInstance(cl, new Class[] {proxyType}, dom);
return retVal;
}