hg: jdk7/tl/jdk: 6917021: (file) copyTo/moveTo can overrwrite existing file when target associated with custom provider

[alan.bateman at sun.com]

Changeset: 42894ae6671c
Author:    alanb
Date:      2010-01-18 15:21 +0000
URL:       http://hg.openjdk.java.net/jdk7/tl/jdk/rev/42894ae6671c

6917021: (file) copyTo/moveTo can overrwrite existing file when target associated with custom provider
Reviewed-by: chegar

! src/share/classes/sun/nio/fs/AbstractPath.java
! test/java/nio/file/Path/CopyAndMove.java
+ test/java/nio/file/Path/PassThroughFileSystem.java
! test/java/nio/file/TestUtil.java