Add foojay-resolver-convention plugin

[msridhar]

See https://github.com/gradle/foojay-toolchains. With this plugin, if relevant toolchains are not present on the local machine (e.g., for JDK 8 or JDK 21), Gradle will automatically download an appropriate distribution and place it in the local Gradle cache. This plugin is officially supported by Gradle, so I think it's safe to add. Without this plugin, new contributors may run into issues running basic commands like ./gradlew compileJava since it requires multiple JDKs to be installed in order to succeed.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (848b0b1) 86.98% compared to head (701dd3c) 86.98%.

Additional details and impacted files

@@            Coverage Diff            @@
##             master     #905   +/-   ##
=========================================
  Coverage     86.98%   86.98%           
  Complexity     1959     1959           
=========================================
  Files            77       77           
  Lines          6330     6330           
  Branches       1223     1223           
=========================================
  Hits           5506     5506           
  Misses          420      420           
  Partials        404      404           

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[yuxincs]

quick question due to my unfamiliarity with these: would it mess with user's local java installations or is it project-specific and will be put in gradle's cache folder or somewhere?

[msridhar]

quick question due to my unfamiliarity with these: would it mess with user's local java installations or is it project-specific and will be put in gradle's cache folder or somewhere?

It will not mess with any local installations; the downloaded toolchain is placed in the Gradle cache. Also, if Gradle's toolchain auto-detection finds a local installation of the right version of the JDK, nothing gets downloaded.

[yuxincs]

LGTM!