Hi, Kelly.
Because there is no constants that "are needed in the supporting JNI code".
For example in *LWLabelPeer.java:*
    private static final int TEXT_XPAD = 5;
    private static final int TEXT_YPAD = 1;
These constants are really used in a nativ? code?


29.06.2012 01:38, Kelly O'Hair wrote:
Why do you say they are unnecessary?

-kto

On Jun 28, 2012, at 7:03 AM, Sergey Bylokhov wrote:

Hi, Kelly.
Looks like changes in these files are unnecessary.

|Cdiffs <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWLabelPeer.java.cdiff.html> Udiffs <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWLabelPeer.java.udiff.html> Sdiffs <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWLabelPeer.java.sdiff.html> Frames <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWLabelPeer.java.frames.html> Old <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWLabelPeer.java-.html> New <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWLabelPeer.java.html> Patch <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWLabelPeer.java.patch> Raw <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/raw_files/new/src/macosx/classes/sun/lwawt/LWLabelPeer.java> | *src/macosx/classes/sun/lwawt/LWLabelPeer.java*

4 lines changed: 4 ins; 0 del; 0 mod; 115 unchg |Cdiffs <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWTextFieldPeer.java.cdiff.html> Udiffs <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWTextFieldPeer.java.udiff.html> Sdiffs <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWTextFieldPeer.java.sdiff.html> Frames <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWTextFieldPeer.java.frames.html> Old <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWTextFieldPeer.java-.html> New <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWTextFieldPeer.java.html> Patch <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/src/macosx/classes/sun/lwawt/LWTextFieldPeer.java.patch> Raw <http://cr.openjdk.java.net/%7Eohair/openjdk8/generateHeaders1/webrev/raw_files/new/src/macosx/classes/sun/lwawt/LWTextFieldPeer.java> | *src/macosx/classes/sun/lwawt/LWTextFieldPeer.java*

4 lines changed: 4 ins; 0 del; 0 mod; 134 unchg

23.05.2012 05:14, Kelly O'Hair wrote:
7170969: Add @GenerateNativeHeader to classes whose fields need to be exported 
for JNI
http://cr.openjdk.java.net/~ohair/openjdk8/generateHeaders1/webrev/

The new build infrastructure wants to fully automate the generation of the JNI 
header files (running javah).
On classes that have "native" methods this is obvious, but class that only 
export constants, and whose constants
are needed in the JNI native code, we need to mark these classes as needing 
their native header file generated.

This change is adding:

import javax.tools.annotation.GenerateNativeHeader;
/* No native methods here, but the constants are needed in the supporting JNI code */
@GenerateNativeHeader

To any class without a native method, but needing to expose it's constants to 
the native code.

-kto



--
Best regards, Sergey.



--
Best regards, Sergey.

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