public virtual Scriptable Construct(Context cx, Scriptable scope, object[] args)
{
ClassLoader loader = null;
if (args.Length != 0)
{
object arg = args[0];
if (arg is Wrapper)
{
arg = ((Wrapper)arg).Unwrap();
}
if (arg is ClassLoader)
{
loader = (ClassLoader)arg;
}
}
if (loader == null)
{
Context.ReportRuntimeError0("msg.not.classloader");
return null;
}
NativeJavaPackage pkg = new NativeJavaPackage(true, string.Empty, loader);
ScriptRuntime.SetObjectProtoAndParent(pkg, scope);
return pkg;
}
public static void Init(Context cx, Scriptable scope, bool @sealed)
{
ClassLoader loader = cx.GetApplicationClassLoader();
Rhino.NativeJavaTopPackage top = new Rhino.NativeJavaTopPackage(loader);
top.SetPrototype(GetObjectPrototype(scope));
top.SetParentScope(scope);
for (int i = 0; i != commonPackages.Length; i++)
{
NativeJavaPackage parent = top;
for (int j = 0; j != commonPackages[i].Length; j++)
{
parent = parent.ForcePackage(commonPackages[i][j], scope);
}
}
// getClass implementation
IdFunctionObject getClass = new IdFunctionObject(top, FTAG, Id_getClass, "getClass", 1, scope);
// We want to get a real alias, and not a distinct JavaPackage
// with the same packageName, so that we share classes and top
// that are underneath.
string[] topNames = ScriptRuntime.GetTopPackageNames();
NativeJavaPackage[] topPackages = new NativeJavaPackage[topNames.Length];
for (int i_1 = 0; i_1 < topNames.Length; i_1++)
{
topPackages[i_1] = (NativeJavaPackage)top.Get(topNames[i_1], top);
}
// It's safe to downcast here since initStandardObjects takes
// a ScriptableObject.
ScriptableObject global = (ScriptableObject)scope;
if (@sealed)
{
getClass.SealObject();
}
getClass.ExportAsScopeProperty();
global.DefineProperty("Packages", top, ScriptableObject.DONTENUM);
for (int i_2 = 0; i_2 < topNames.Length; i_2++)
{
global.DefineProperty(topNames[i_2], topPackages[i_2], ScriptableObject.DONTENUM);
}
}
// set up a name which is known to be a package so we don't
// need to look for a class by that name
internal virtual Rhino.NativeJavaPackage ForcePackage(string name, Scriptable scope)
{
object cached = base.Get(name, this);
if (cached != null && cached is Rhino.NativeJavaPackage)
{
return (Rhino.NativeJavaPackage)cached;
}
else
{
string newPackage = packageName.Length == 0 ? name : packageName + "." + name;
Rhino.NativeJavaPackage pkg = new Rhino.NativeJavaPackage(true, newPackage, classLoader);
ScriptRuntime.SetObjectProtoAndParent(pkg, scope);
base.Put(name, this, pkg);
return pkg;
}
}
private void ImportPackage(NativeJavaPackage pkg)
{
if (pkg == null)
{
return;
}
lock (importedPackages)
{
for (int j = 0; j != importedPackages.Size(); j++)
{
if (pkg.Equals(importedPackages.Get(j)))
{
return;
}
}
importedPackages.Add(pkg);
}
}
internal virtual object GetPkgProperty(string name, Scriptable start, bool createPkg)
{
lock (this)
{
object cached = base.Get(name, start);
if (cached != ScriptableConstants.NOT_FOUND)
{
return cached;
}
if (negativeCache != null && negativeCache.Contains(name))
{
// Performance optimization: see bug 421071
return null;
}
string className = (packageName.Length == 0) ? name : packageName + '.' + name;
Context cx = Context.GetContext();
ClassShutter shutter = cx.GetClassShutter();
Scriptable newValue = null;
if (shutter == null || shutter.VisibleToScripts(className))
{
Type cl = null;
if (classLoader != null)
{
cl = Kit.ClassOrNull(classLoader, className);
}
else
{
cl = Kit.ClassOrNull(className);
}
if (cl != null)
{
WrapFactory wrapFactory = cx.GetWrapFactory();
newValue = wrapFactory.WrapJavaClass(cx, GetTopLevelScope(this), cl);
newValue.SetPrototype(GetPrototype());
}
}
if (newValue == null)
{
if (createPkg)
{
Rhino.NativeJavaPackage pkg;
pkg = new Rhino.NativeJavaPackage(true, className, classLoader);
ScriptRuntime.SetObjectProtoAndParent(pkg, GetParentScope());
newValue = pkg;
}
else
{
// add to negative cache
if (negativeCache == null)
{
negativeCache = new HashSet<string>();
}
negativeCache.Add(name);
}
}
if (newValue != null)
{
// Make it available for fast lookup and sharing of
// lazily-reflected constructors and static members.
base.Put(name, start, newValue);
}
return newValue;
}
}
