Locked File Detection

Question

Given the link to the File instance, is it possible (programmatically) to determine if the corresponding file is locked, and if so, which process holds the lock?

I am using Java 5 running on Windows.

Thanks Don

Answer 1

I think that this is possible only in the hometown. You need to access FileHandle information. Write a Dll and connect it to your java application via JNI. Call NtQuerySystemInformation with SystemHandleInformation (16). You get a list with all open handles, look for FileHandles, compare FileHandles with your own file.