SAMZA-2388: [Scala cleanup] Convert Util to Java #1221
Merged
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Except for the case noted below, the intention of this PR is to not change any functionality. The intention is to just migrate logic to Java.
#1199 intended to migrate
Util.rewriteConfigto Java, but it also unintentionally changed some functionality (this PR changes the functionality back to the original functionality). That change applied each rewriter to the original config and then merged the results together. The original logic applied each rewriter to the rewritten result of the previous rewriter. Example cases where the overall rewritten result would be different: 1) one of the rewriters deletes a config (new code would do a merge so the config would not get deleted in the final result), 2) one rewriter depended on the result of another rewriter (new code would not allow rewriter to see results of previous rewriters).