RFR: JDK-8241310 Fix warnings in jdk buildtools

[Magnus Ihse Bursie]

On 2020-03-19 18:54, Erik Joelsson wrote:
> Looks good to me.
Thanks.
>
> I love the WrapperGenerator using Vector and Hashtable!

Yeah. State of the art.

I'm still trying to wrap my head around this piece of beauty:

                 assert !(currentContainer instanceof Entry);
                 Entry<?> entry = (Entry<?>)currentContainer;

...

/Magnus
>
> /Erik
>
> On 2020-03-19 09:53, Magnus Ihse Bursie wrote:
>> The buildtools (java tools needed to be run during the build) have 
>> long been plagued by warnings, includuing deprecations and unchecked 
>> warnings, which cannot be silenced during the build.
>>
>> This patch fixes all buildtool warnings. Most of the warnings are 
>> fixed properly, but a few have had their warnings suppressed locally.
>>
>> For two tools, cldrconverter and tzdb, I gave up to get them fully 
>> fixed, and instead suppressed warnings in some places. Common for 
>> both these tools were that they used collections of some kind, with a 
>> mixed bag of data types (e.g. a Map from String to either String, 
>> HashMap, ArrayList and String[]). I'm frankly not sure how this could 
>> ever have worked :-) but I assume that the data files being parsed 
>> has a structure that "guarantees" that this works.
>>
>> Two files in generatecharacter were missing a proper copyright 
>> header. I noticed this when I were about to update the copyright 
>> year, and when I checked the other files I noted another one without 
>> header. While I did not need to change this file, I thought it was 
>> suitable to fix the missing header for both files.
>>
>> I have verified that the code generated by the build is identical 
>> with and without this patch.
>>
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8241310
>> WebRev: 
>> http://cr.openjdk.java.net/~ihse/JDK-8241310-fix-warnings-in-buildtools/webrev.01
>>
>> /Magnus