Clipboard Formats

Mike Swingler swingler at apple.com
Sat Dec 22 13:29:21 PST 2012


On Dec 22, 2012, at 3:00 PM, Mikhail Cherkasov <mikhail.cherkasov at oracle.com> wrote:

> Hello All,
> 
> Jdk 7 has less data flavor types than jdk 6, the following types are missing from in jdk 7:
> -text/plain; class=java.io.InputStream; charset=MacRoman
> -text/plain; class=java.nio.ByteBuffer; charset=MacRoman
> -text/plain; class="[B"; charset=MacRoman
> 
> You can print available formats by this code:
> for (final DataFlavor flavor : Toolkit.getDefaultToolkit().getSystemClipboard().getAvailableDataFlavors()) {
>            System.out.println(flavor.getMimeType());
> }
> 
> Does anyone know why this DataFlavors are absent in jdk 7?
> And is it possible to get them back? if yes, how I can do this?
> 
> I have not idea where to get jdk6 source code for macos, so I can't compare
> Java_sun_lwawt_macosx_CClipboard_getClipboardFormats method implementation.

Java_sun_lwawt_macosx_CClipboard_getClipboardFormats() and Java_apple_awt_CClipboard_getClipboardFormats() in Java SE 6 are line-for-line copies of each other. Also, CClipboard.m in OpenJDK 8 is largely identical to the original version created in 2002 by Scott Kovatch. :-)

I have noticed that the flavormap.properties file is significantly different. Perhaps that would be a fruitful area of investigation.

Regards,
Mike Swingler
Apple Inc.



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