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Prefer StringBuilder#repeat(CharSequence, int) over less efficient alternatives

Recipe IDtech.picnic.errorprone.refasterrules.StringBuilderRulesRecipes$StringBuilderRepeatRecipe
Artifactorg.openrewrite.recipe:rewrite-third-party

<strong>Warning:</strong> this rule is not behavior preserving: while the original code throws a NullPointerException if the repeated string is null, the replacement code will repeat the literal string "null".

Single recipeApache 2.0

Usage

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

mod run . --recipe tech.picnic.errorprone.refasterrules.StringBuilderRulesRecipes$StringBuilderRepeatRecipe

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

mod config recipes jar install org.openrewrite.recipe:rewrite-third-party:0.44.0

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