Update tzdb handling

[jodastephen]

• Update parser and tests to handle changes to TZDB data in 2024bgtz
• WET, CET and EET European zones are repaired
• MET zone is mapped to CET
• American zones like EST will be auto-normalized

Summary by CodeRabbit

• New Features

  • Improved handling of time zone aliases for better accuracy.
  • Enhanced control over logging output based on verbosity settings.

• Bug Fixes

  • Updated unit tests to align with the "CET" time zone, ensuring accuracy in test results.

[coderabbitai]

Walkthrough

Walkthrough

The changes involve modifications to the handling of time zone aliases in the ZoneInfoCompiler.java file, specifically refining the logic for adding aliases and improving debug logging output. Additionally, unit tests in the TestDateTimeFormatterBuilder class have been updated to replace references to "MET" with "CET", including renaming test methods and adjusting expected output strings to ensure alignment with the new time zone designation.

Changes

Files	Change Summary
src/main/java/org/joda/time/tz/ZoneInfoCompiler.java	Updated logic for time zone aliasing; improved debug logging control.
src/test/java/org/joda/time/format/TestDateTimeFormatterBuilder.java	Renamed test methods from "MET" to "CET" and updated assertions to reflect the new time zone.

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Recent review details

Configuration used: CodeRabbit UI
Review profile: CHILL

Commits

Files that changed from the base of the PR and between 54b3d1c and fb3a199.

Files selected for processing (2)

• src/main/java/org/joda/time/tz/ZoneInfoCompiler.java (2 hunks)
• src/test/java/org/joda/time/format/TestDateTimeFormatterBuilder.java (2 hunks)

Additional comments not posted (4)

src/test/java/org/joda/time/format/TestDateTimeFormatterBuilder.java (2)

550-557: LGTM!

The test has been correctly updated to use the "CET" time zone instead of "MET". The changes align with the PR objective.

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560-567: Looks good!

The test has been appropriately updated to use the "CET" time zone instead of "MET", including the function name and the expected output. The changes are consistent with the PR objective.

src/main/java/org/joda/time/tz/ZoneInfoCompiler.java (2)

639-645: Refines the handling of time zone aliases. Looks good!

The changes to the conditions for adding aliases to iGoodLinks and iBackLinks appear to be a deliberate refinement to improve the accuracy of the maintained links.

Explicitly checking for the "WET", "CET", and "EET" aliases and adding them to iGoodLinks while mapping the "MET" alias to "CET" in iBackLinks seems to be a targeted approach to handle specific cases, likely based on historical data or observed inconsistencies.

The removal of the broader conditions that accounted for backward compatibility and certain aliases simplifies the logic and focuses on the key aliases that require special handling.

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971-973: Improves logging efficiency by making the debug message conditional. Looks good!

Wrapping the output of the debug message regarding fixed negative save values within a conditional check for verbosity is a good practice.

This change enhances the control over logging output and makes it more efficient by avoiding unnecessary console output during normal operations when verbose logging is not enabled.

It allows the debugging information to be easily turned on when needed for troubleshooting or analysis, while keeping the console clean during regular execution.

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