Nested Classes

[Stechmuck]

Hi,

is it possible to create instances of nested classes?

I tried the following:

public class A {
    public static class B {
        B() { System.out.println("A.B"); }
    }
}

v8Runtime.getGlobalObject().set("A", A.class);
v8Runtime.getExecutor("new A.B()").executeVoid();

Results in:

TypeError: A.B is not a constructor
Resource: undefined
Source Code: new A.B()
Line Number: 1
Column: 0, 1
Position: 0, 1

Can you tell me how I can achieve this?

[caoccao]

The constructor is not public. Javet only scans public methods.

[Stechmuck]

Thank you for your answer, but I get the same Exception with public B()

[caoccao]

You need to inject A.B.class.

[Stechmuck]

public static void main(String[] args) {
    try (V8Runtime v8Runtime = V8Host.getV8Instance().createV8Runtime()) {
        v8Runtime.setConverter(new JavetProxyConverter());

        v8Runtime.getGlobalObject().set("A", A.class);
        v8Runtime.getGlobalObject().set("A.B", A.B.class);
        v8Runtime.getExecutor("new A.B()").executeVoid();
    } catch (JavetException e) {
        throw new RuntimeException(e);
    }
}

Still the same Exception. Or did you mean something else by inject?

[caoccao]

We don't usually put . in a JS property. If you really want to do so, you will have to call globalThis['A.B']().
So, you'd better call set("B", A.B.class) instead, then call new B().

[Stechmuck]

OK, thank you very much for your help.