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Moderne licensed

Add null check to existing switch cases

Recipe IDorg.openrewrite.java.migrate.lang.NullCheckAsSwitchCase
Artifactorg.openrewrite.recipe:rewrite-migrate-java

In later Java 21+, null checks are valid in switch cases. This recipe will only add null checks to existing switch cases if there are no other statements in between them or if the block in the if statement is not impacting the flow of the switch.

Single recipeMSAL

Usage

This recipe has no required configuration options. You’ll need the Moderne CLI configured before running the command below.

mod run . --recipe org.openrewrite.java.migrate.lang.NullCheckAsSwitchCase

If the recipe isn’t available locally, install it with:

mod config recipes jar install org.openrewrite.recipe:rewrite-migrate-java:3.41.0

Data tables

Structured output this recipe can produce.

  • Source files that had resultsSource files that were modified by the recipe run.org.openrewrite.table.SourcesFileResults
  • Source files that had search resultsSearch results that were found during the recipe run.org.openrewrite.table.SearchResults
  • Source files that errored on a recipeThe details of all errors produced by a recipe run.org.openrewrite.table.SourcesFileErrors
  • Recipe performanceStatistics used in analyzing the performance of recipes.org.openrewrite.table.RecipeRunStats