Moderne licensed

Changes code to use Java 17's `instanceof` pattern matching

Recipe IDorg.openrewrite.staticanalysis.InstanceOfPatternMatchArtifactorg.openrewrite.recipe:rewrite-static-analysis

Adds pattern variables to instanceof expressions wherever the same (side effect free) expression is referenced in a corresponding type cast expression within the flow scope of the instanceof. Currently, this recipe supports if statements and ternary operator expressions. Pattern matching for instanceof collapses the type check, cast, and variable declaration into a single expression, reducing boilerplate and eliminating the risk of an incorrect cast.

Single recipeRSPEC-S6201MSAL

Add to your build

Get a download tokenThis recipe is Moderne licensed, so the token must belong to a Moderne customer. It replaces YOUR_DOWNLOAD_TOKEN below.

~/.gradle/gradle.properties

codeGenomeUsername=you@example.com
codeGenomeToken=YOUR_DOWNLOAD_TOKEN

build.gradle.kts

plugins {
    id("org.openrewrite.rewrite") version("latest.release")
}

rewrite {
    activeRecipe("org.openrewrite.staticanalysis.InstanceOfPatternMatch")
}

repositories {
    mavenCentral()
    maven {
        url = uri("https://artifacts.codegenomeproject.org/maven")
        credentials {
            username = providers.gradleProperty("codeGenomeUsername").get()
            password = providers.gradleProperty("codeGenomeToken").get()
        }
    }
}

dependencies {
    rewrite("org.openrewrite.recipe:rewrite-static-analysis:2.44.0")
}

Then run

./gradlew rewriteRun

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.staticanalysis.InstanceOfPatternMatch

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

mod config recipes jar install org.openrewrite.recipe:rewrite-static-analysis:RELEASE

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