RFR: 8293667: Align jlink's --compress option with jmod's --compress option [v5]

[Jaikiran Pai]

On Mon, 6 Feb 2023 20:12:09 GMT, Ian Graves <igraves at openjdk.org> wrote:

>> This is an approach to adding a flag to jlink that will allow --compress to take the same types of arguments as jmod, thus bringing the two into alignment. This likely requires a CSR and a discussion on whether we should deprecate or simply remove the original numeric compression arguments.
>
> Ian Graves has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Adding plugin type to force compact strings vs zip ordering

src/jdk.jlink/share/classes/jdk/tools/jlink/internal/plugins/CompactConstantPoolsPlugin.java line 44:

> 42: public final class CompactConstantPoolsPlugin extends AbstractPlugin implements ResourcePrevisitor {
> 43: 
> 44:     private static final String FILTER = "filter";

Should we perhaps just reference the already `public` `DefaultCompressPlugin.FILTER` field instead of redefining it here?

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PR: https://git.openjdk.org/jdk/pull/11617