static JavaMembers lookupClass(
Scriptable scope, Class<?> dynamicType, Class<?> staticType, boolean includeProtected) {
JavaMembers members;
scope = ScriptableObject.getTopLevelScope(scope);
ClassCache cache = ClassCache.get(scope);
Map<Class<?>, JavaMembers> ct = cache.getClassCacheMap();
Class<?> cl = dynamicType;
for (; ; ) {
members = ct.get(cl);
if (members != null) {
return members;
}
try {
members = new JavaMembers(scope, cl, includeProtected);
break;
} catch (SecurityException e) {
// Reflection may fail for objects that are in a restricted
// access package (e.g. sun.*). If we get a security
// exception, try again with the static type if it is interface.
// Otherwise, try superclass
if (staticType != null && staticType.isInterface()) {
cl = staticType;
staticType = null; // try staticType only once
} else {
Class<?> parent = cl.getSuperclass();
if (parent == null) {
if (cl.isInterface()) {
// last resort after failed staticType interface
parent = ScriptRuntime.ObjectClass;
} else {
throw e;
}
}
cl = parent;
}
}
}
if (cache.isCachingEnabled()) ct.put(cl, members);
return members;
}
private static Class<?> getAdapterClass(
Scriptable scope, Class<?> superClass, Class<?>[] interfaces, Scriptable obj) {
ClassCache cache = ClassCache.get(scope);
Map<JavaAdapterSignature, Class<?>> generated = cache.getInterfaceAdapterCacheMap();
ObjToIntMap names = getObjectFunctionNames(obj);
JavaAdapterSignature sig;
sig = new JavaAdapterSignature(superClass, interfaces, names);
Class<?> adapterClass = generated.get(sig);
if (adapterClass == null) {
String adapterName = "adapter" + cache.newClassSerialNumber();
byte[] code = createAdapterCode(names, adapterName, superClass, interfaces, null);
adapterClass = loadAdapterClass(adapterName, code);
if (cache.isCachingEnabled()) {
generated.put(sig, adapterClass);
}
}
return adapterClass;
}