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Change static field access to static method access

Recipe IDorg.openrewrite.java.ChangeStaticFieldToMethodArtifactorg.openrewrite:rewrite-java

Migrate accesses to a static field to invocations of a static method.

Single recipeApache 2.0

Add to your build

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~/.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.java.ChangeStaticFieldToMethod")
}

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:rewrite-java:8.92.8")
}

Then run

./gradlew rewriteRun

This recipe has required options, which a build sets in a rewrite.yml recipe that you activate instead.

Usage

You’ll need the Moderne CLI configured before running the command below.

mod run . --recipe org.openrewrite.java.ChangeStaticFieldToMethod --recipe-option "oldClassName=java.util.Collections" --recipe-option "oldFieldName=EMPTY_LIST" --recipe-option "newMethodName=of"

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

mod config recipes jar install org.openrewrite:rewrite-java:RELEASE

Options

NameTypeDescription
oldClassNamerequiredStringThe fully qualified name of the class containing the field to replace.
e.g. java.util.Collections
oldFieldNamerequiredStringThe simple name of the static field to replace.
e.g. EMPTY_LIST
newClassNameStringThe fully qualified name of the class containing the method to use. Leave empty to keep the same class.
e.g. java.util.List
newTargetStringAn optional method target that can be used to specify a static field within the new class.
e.g. OK_RESPONSE
newMethodNamerequiredStringThe simple name of the method to use. The method must be static and have no arguments.
e.g. of

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