java security: protection domain

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czp.opensource@gmail.com - 03 Apr 2008 05:36 GMT

hi all
i asked this yesterday, but there is no one answer me. i thought
maybe i hadn't discripted clear. here is the question: there is a
directory /root/user/aaa/bbb directory, and i give the directory
FilePermission ("/root/user/aaa/bbb", "read,write"); permission. does
that means the application can read and write in the subdirectory(/
root/user/aaa/bbb/ccc/touch.c).

thanks

best wish

Allen

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RedGrittyBrick - 03 Apr 2008 10:03 GMT

> hi all
> i asked this yesterday,

It would be better to have made your second posting a reply to the
first. Now you have fragmented any answers you get.

> but there is no one answer me. i thought
> maybe i hadn't discripted clear.

I didn't answer because I didn't understand your question.

> here is the question: there is a
> directory /root/user/aaa/bbb directory, and i give the directory
> FilePermission ("/root/user/aaa/bbb", "read,write"); permission.

Do you mean java.io.FilePermission?

Do you refer to Java code running as an Applet or otherwise under a
Security Manager?

> does
> that means the application can read and write in the subdirectory(/
> root/user/aaa/bbb/ccc/touch.c).

"A permission object represents, but does not grant access to, a system
resource." - API documentation for java.io.FilePermission

I expect that if you explain more carefully what you are trying to
achieve, or provide a sample program, someone more knowledgeable will be
able to answer your question.

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RGB

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java security: protection domain

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