How does annotation injection work, while maintaining security?

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Danno - 23 Mar 2007 16:43 GMT

How do frameworks inject a resource into a private field without
violating security?

I know how to introspect, and I know how to get annotations, etc. I
just would like to know how to inject something into a private field
for testing purposes.

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Danno - 23 Mar 2007 16:55 GMT

> How do frameworks inject a resource into a private field without
> violating security?
>
> I know how to introspect, and I know how to get annotations, etc. I
> just would like to know how to inject something into a private field
> for testing purposes.

Another term is "field injection". Most searches are about how to
use. I am looking at how to implement.

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Danno - 23 Mar 2007 17:19 GMT

Alright I got it....It is a simple case of called setAccessible on a
field in order for that to work.

Field field = t.getClass().getDeclaredField("someField");
field.setAccessible(true);
field.set(t, "woo");

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How does annotation injection work, while maintaining security?

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