Looks good to me.
Regards,
Rajeev Chamyal
From: Ajit Ghaisas
Sent: 17 February 2016 16:51
To: Rajeev Chamyal; Sergey Bylokhov; Alexander Scherbatiy;
swing-dev@openjdk.java.net
Subject: RE: <Swing Dev> [9] Review fix for JDK-8020039 : SynthTableHeaderUI
refers to possibly null parameter in cell renderer
Hi,
I have corrected formatting of test code and removed the additional
System.out.printlns.
Please review : http://cr.openjdk.java.net/~arapte/ajit/8020039/webrev.02/
Regards,
Ajit
From: Ajit Ghaisas
Sent: Tuesday, February 16, 2016 3:12 PM
To: Rajeev Chamyal; Sergey Bylokhov; Alexander Scherbatiy; HYPERLINK
"mailto:swing-dev@openjdk.java.net"swing-dev@openjdk.java.net
Subject: Re: <Swing Dev> <Swing-dev> [9] Review fix for JDK-8020039 :
SynthTableHeaderUI refers to possibly null parameter in cell renderer
Hi,
Thanks Rajeev for review comments.
I have checked - windows LAF WindowsTableHeaderUI handles it correctly.
I have added null check for MacOs Aqua.
Also, I have added a test checking for this null pointer access.
Please review --
http://cr.openjdk.java.net/~arapte/ajit/8020039/webrev.01/
Regards,
Ajit
From: Rajeev Chamyal
Sent: Monday, February 15, 2016 5:39 PM
To: Ajit Ghaisas; Sergey Bylokhov; Alexander Scherbatiy; HYPERLINK
"mailto:swing-dev@openjdk.java.net"swing-dev@openjdk.java.net
Subject: RE: <Swing-dev> [9] Review fix for JDK-8020039 : SynthTableHeaderUI
refers to possibly null parameter in cell renderer
Hello Ajit,
Can you please if similar fix is required for other LAF windows ,Aqua etc.
Please add a regression test case also.
Regards,
Rajeev Chamyal
From: Ajit Ghaisas
Sent: 15 February 2016 17:30
To: Rajeev Chamyal; Sergey Bylokhov; Alexander Scherbatiy; HYPERLINK
"mailto:swing-dev@openjdk.java.net"swing-dev@openjdk.java.net
Subject: <Swing-dev> [9] Review fix for JDK-8020039 : SynthTableHeaderUI refers
to possibly null parameter in cell renderer
Hi,
Please review the fix for jdk9,
Bug: https://bugs.openjdk.java.net/browse/JDK-8020039
Webrev: http://cr.openjdk.java.net/~arapte/ajit/8020039/webrev.00/
Issue :
If null is passed as 'table' parameter to
SynthTableHeaderUI::getTableCellRendererComponent() method in
src/java.desktop/share/classes/javax/swing/plaf/synth/SynthTableHeaderUI.java,
there is Null Pointer Exception.
Analysis :
This method already has a null check for 'table' parameter for second access
of this parameter in method.
Whereas the first access of the 'table' parameter lacks this check.
Fix :
Added null check for the first access of 'table' parameter in
SynthTableHeaderUI::getTableCellRendererComponent().
There is no else block added as the flow continues and passes table to base
class method using super. getTableCellRendererComponent().
The passed parameter is already checked in base class method correctly.
Hence, no change is needed in base class.
Test :
The fix is pretty straight forward.
Executed the code snippet given in the bug description. There is no NPE
after the fix.
Regards,
Ajit
