Prefer java.util.Optional
Recipe ID
org.openrewrite.java.migrate.guava.PreferJavaUtilOptionalArtifactorg.openrewrite.recipe:rewrite-migrate-javaPrefer java.util.Optional instead of using com.google.common.base.Optional.
Composite recipeguavaRSPEC-S4738MSAL
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.java.migrate.guava.PreferJavaUtilOptional")
}
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-migrate-java:3.45.0")
}
Then run
./gradlew rewriteRunUsage
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.guava.PreferJavaUtilOptionalIf the recipe isn’t available locally, install it with:
mod config recipes jar install org.openrewrite.recipe:rewrite-migrate-java:RELEASEDefinition
This recipe runs the following recipes in order.
- Prefer
java.util.Optional#or(Supplier<T extends java.util.Optional<T>>)org.openrewrite.java.migrate.guava.PreferJavaUtilOptionalOrSupplier - Prefer
java.util.Optional#orElse(null)overcom.google.common.base.Optional#orNull()org.openrewrite.java.migrate.guava.PreferJavaUtilOptionalOrElseNull - Replace
com.google.common.base.Optional#fromJavaUtil(java.util.Optional)with argumentorg.openrewrite.java.migrate.guava.NoGuavaOptionalFromJavaUtil - Remove
com.google.common.base.Optional#toJavaUtil()org.openrewrite.java.migrate.guava.NoGuavaOptionalToJavaUtil - Prefer
Optional.stream().collect(Collectors.toSet())org.openrewrite.java.migrate.guava.NoGuavaOptionalAsSet - Change method name
com.google.common.base.Optional absent()toemptyorg.openrewrite.java.ChangeMethodName - Change method name
com.google.common.base.Optional fromNullable(..)toofNullableorg.openrewrite.java.ChangeMethodName - Change method name
com.google.common.base.Optional or(com.google.common.base.Supplier)toorElseGetorg.openrewrite.java.ChangeMethodName - Change method name
com.google.common.base.Optional or(..)toorElseorg.openrewrite.java.ChangeMethodName - Change method name
com.google.common.base.Optional transform(com.google.common.base.Function)tomaporg.openrewrite.java.ChangeMethodName - Change type
com.google.common.base.Optionaltojava.util.Optionalorg.openrewrite.java.ChangeType
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