RFR (jaxp): Backport to jdk7u-dev of 8013900: More warnings compiling jaxp.

[huizhe wang]

Thanks Daniel!

The backport looks good.  This would help keep the code in sync between 
JKD7 and JDK8, which makes it easier for future backports.

Joe

On 5/30/2013 3:37 AM, Daniel Fuchs wrote:
> Hi,
>
> This is a request for review of the backport of
> <https://jbs.oracle.com/bugs/browse/JDK-8013900>
> to jdk7u-dev.
>
> The changeset for jdk7u-dev [1] had to be altered on one count
> compared to the changes pushed in jdk8 [2]:
>
> Since jaxp needs to be compiled using the bootstrap
> compiler, it was not possible to use the new
> JDK 7 java.util.Objects API.
>
> In order to minimize the changes between the two
> changesets - I added an Objects class emulating
> the two 'hashCode' and 'equals' methods of java.util.Objects
> in the util packages of Xerces, Xalan, and Bcel.
>
> This way - the only thing that needed to change in the rest of
> the files was the import clause of the Objects class.
>
> Here is the altered changeset for jdk7u-dev:
> [1] <http://cr.openjdk.java.net/~dfuchs/JDK-8013900/webrev-jdk7u-dev.00/>
>
> Here is the changeset that was pushed in jdk8:
> [2] <http://cr.openjdk.java.net/~dfuchs/JDK-8013900/webrev.01/>
>
> -- daniel
>
> Review for the original jdk8 changeset [2] happened on core-libs-dev:
> <http://mail.openjdk.java.net/pipermail/core-libs-dev/2013-May/017033.html> 
>