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8278356: Improve file creation

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Reviewed-by: alanb, rhalade
This commit is contained in:
Brian Burkhalter 2022-01-25 20:16:38 +00:00 • committed by Henry Jen
parent ee0743801e
commit 395bb5b7f9
4 changed files with 61 additions and 8 deletions
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10
src/java.base/share/classes/java/io/File.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 1994, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 1994, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -175,8 +175,9 @@ public class File
/**
* Check if the file has an invalid path. Currently, the inspection of
* a file path is very limited, and it only covers Nul character check.
* Returning true means the path is definitely invalid/garbage. But
* a file path is very limited, and it only covers Nul character check
* unless further checking is explicitly enabled by a system property.
* Returning true means the path is definitely invalid/garbage, but
* returning false does not guarantee that the path is valid.
*
* @return true if the file path is invalid.
@ -184,8 +185,7 @@ public class File
final boolean isInvalid() {
PathStatus s = status;
if (s == null) {
s = (this.path.indexOf('\u0000') < 0) ? PathStatus.CHECKED
: PathStatus.INVALID;
s = fs.isInvalid(this) ? PathStatus.INVALID : PathStatus.CHECKED;
status = s;
}
return s == PathStatus.INVALID;