public interface ClassShutter
boolean visibleToScripts(java.lang.String fullClassName)
Due to the fact that there is no package reflection in Java, this method will also be called with package names. There is no way for Rhino to tell if "Packages.a.b" is a package name or a class that doesn't exist. What Rhino does is attempt to load each segment of "Packages.a.b.c": It first attempts to load class "a", then attempts to load class "a.b", then finally attempts to load class "a.b.c". On a Rhino installation without any ClassShutter set, and without any of the above classes, the expression "Packages.a.b.c" will result in a [JavaPackage a.b.c] and not an error.
With ClassShutter supplied, Rhino will first call visibleToScripts before attempting to look up the class name. If visibleToScripts returns false, the class name lookup is not performed and subsequent Rhino execution assumes the class is not present. So for "java.lang.System.out.println" the lookup of "java.lang.System" is skipped and thus Rhino assumes that "java.lang.System" doesn't exist. So then for "java.lang.System.out", Rhino attempts to load the class "java.lang.System.out" because it assumes that "java.lang.System" is a package name.
fullClassName- the full name of the class (including the package name, with '.' as a delimiter). For example the standard string class is "java.lang.String"
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