What I mean is getRootFrame() can return null.  Scan the rest of the source and 
notice the rest of the class handles that.
________________________________________
From: Prasanta Sadhukhan <prasanta.sadhuk...@oracle.com>
Sent: Friday, May 19, 2017 11:35 PM
To: Jason Mehrens; swing-dev@openjdk.java.net
Subject: Re: <Swing Dev> [10] RFR JDK-7042497: 
javax.swing.JOptionPane.showInternalConfirmDialog throws RuntimeException

AFAIS, getComponentOrientation() will return
ComponentOrientation.UNKNOWN and not null so I guess we are covered there.

Regards
Prasanta
On 5/20/2017 2:46 AM, Jason Mehrens wrote:
> Prasanta,
>
> Couldn't getRootFrame().getComponentOrientation() thow a null pointer?  The 
> case that always burned me was is showing a dialog from a minimized internal 
> frame.  JInternalFrame is actually two components and when the minimized icon 
> is showing the JInternalFrame doesn't have a parent.
>
> Jason
> ________________________________________
> From: swing-dev <swing-dev-boun...@openjdk.java.net> on behalf of Semyon 
> Sadetsky <semyon.sadet...@oracle.com>
> Sent: Friday, May 19, 2017 8:55 AM
> To: Prasanta Sadhukhan; swing-dev@openjdk.java.net
> Subject: Re: <Swing Dev> [10] RFR JDK-7042497: 
> javax.swing.JOptionPane.showInternalConfirmDialog throws RuntimeException
>
> Looks good.
>
> --Semyon
>
> On 05/18/2017 11:07 PM, Prasanta Sadhukhan wrote:
>
> Please find the modified webrev
>
> http://cr.openjdk.java.net/~psadhukhan/7042497/webrev.04/<http://cr.openjdk.java.net/%7Epsadhukhan/7042497/webrev.04/>
>
> Regards
> Prasanta
> On 5/18/2017 8:44 PM, Semyon Sadetsky wrote:
>
> This version of the fix formally corresponds to the spec. (I did not check 
> the spec for validity.)
>
>          if (parentComponent == null)
>              return false;
>          if (parentComponent instanceof Frame)
>              return true;
>          return 
> JOptionPane.checkFrameForComponent(parentComponent.getParent());
>
> - "JOptionPane." is not necessary.
>
> - Please, add braces to the both if conditions.
>
>          if (parentComponent == null || 
> !(checkFrameForComponent(parentComponent))) {
>
> - "parentComponent == null" is not necessary now
>
> - to avoid extra "not" operation the if statement could be inverted.
>
> --Semyon
>
> On 05/18/2017 12:01 AM, Prasanta Sadhukhan wrote:
>
> Not sure about the exact meaning of that but anyways tried to make the code 
> spec-compliant.
>
> http://cr.openjdk.java.net/~psadhukhan/7042497/webrev.03/<http://cr.openjdk.java.net/%7Epsadhukhan/7042497/webrev.03/>
>
> If you think it still does not adhere to spec, please suggest what more needs 
> to be done.
>
> Regards
> Prasanta
> On 5/17/2017 8:23 PM, Semyon Sadetsky wrote:
>
> It seems, !(parentComponent instanceof Frame)) is not what the spec means.
>
> --Semyon
>
> On 05/17/2017 12:55 AM, Prasanta Sadhukhan wrote:
> Ok, sorry. Updated code to get the default Frame when component has no Frame 
> and
> testcase to test that case too.
> Updated webrev
> http://cr.openjdk.java.net/~psadhukhan/7042497/webrev.02/<http://cr.openjdk.java.net/%7Epsadhukhan/7042497/webrev.02/>
>
> Regards
> Prasanta
> On 5/16/2017 8:47 PM, Semyon Sadetsky wrote:
>
> Yes, sorry. I meant the case I've mentioned in my first comment : when the 
> component has no frame.
>
> parentComponent determines the <code>Frame</code>
> *          in which the dialog is displayed; if <code>null</code>,
> *          or if the <code>parentComponent</code> has no
> *          <code>Frame</code>***, a default <code>Frame</code> is used
>
> --Semyon
>
> On 05/15/2017 10:44 PM, Prasanta Sadhukhan wrote:
>
> Not sure which testcase you are running. I do not see this exception when I 
> run my testcase in the webrev.
>
> I am using createDialog in the fix for null parentComponent and not 
> createInternalFrame() which throws this exception.
>
> Regards
> Prasanta
> On 5/15/2017 11:04 PM, Semyon Sadetsky wrote:
>
> I don't see how this change fixes the issue.
>
> I still got
>
> Exception in thread "main" java.lang.RuntimeException: JOptionPane: 
> parentComponent does not have a valid parent
>
> after applying it.
>
> --Semyon
>
> On 05/15/2017 03:14 AM, Prasanta Sadhukhan wrote:
>
> Updated webrev to use getRootFrame() via createDialog() to get the default 
> Frame when a frame is not provided.
>
> http://cr.openjdk.java.net/~psadhukhan/7042497/webrev.01/<http://cr.openjdk.java.net/%7Epsadhukhan/7042497/webrev.01/>
>
> Regards
> Prasanta
> On 5/12/2017 8:08 PM, Semyon Sadetsky wrote:
>
> Also the spec says to use the default frame but the fix creates new frame 
> each time.
>
> On 05/12/2017 07:32 AM, Semyon Sadetsky wrote:
>
> The fix covers the parentComponent=null case.
>
> What about the second case when non-null component is provided but it has no 
> frame?
>
> --Semyon
>
> On 05/12/2017 12:51 AM, Prasanta Sadhukhan wrote:
>
> Hi All,
>
> Please review a spec violation issue whereby if in 
> JOptionPane.showInternalConfirmDialog(Component parentComponent, Object 
> message)
> "parentComponent" is null, we are getting RuntimeException "parentComponent 
> does not have a valid parent"
>
> but as per spec, 
> https://docs.oracle.com/javase/8/docs/api/index.html?javax/swing/JOptionPane.html
> it says "parentComponent - determines the Frame in which the dialog is 
> displayed; if null, or if the parentComponent has no Frame, a default Frame 
> is used"
>
> This violation exists for all overridden showInternalConfirmDialog methods 
> and showInternalOptionDialog.
>
> The proposed fix creates a default JFrame and shows the confirm dialog in it, 
> as stated in the spec.
>
> Bug: https://bugs.openjdk.java.net/browse/JDK-7042497
> webrev: 
> http://cr.openjdk.java.net/~psadhukhan/7042497/webrev.00/<http://cr.openjdk.java.net/%7Epsadhukhan/7042497/webrev.00/>
>
> Regards
> Prasanta
>
>
>
>
>
>
>
>
>
>
>
>

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