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Migrate to Java 11

org.openrewrite.java.migrate.Java8toJava11
This recipe will apply changes commonly needed when upgrading to Java 11. Specifically, for those applications that are built on Java 8, this recipe will update and add dependencies on J2EE libraries that are no longer directly bundled with the JDK. This recipe will also replace deprecated API with equivalents when there is a clear migration strategy. Build files will also be updated to use Java 11 as the target/source and plugins will be also be upgraded to versions that are compatible with Java 11.

Tags

  • jaxb
  • deprecated
  • java11
  • jaxws
  • jakarta

Recipe source

  • groupId: org.openrewrite.recipe
  • artifactId: rewrite-migrate-java
  • version: 2.9.0
This recipe is composed of more than one recipe. If you want to customize the set of recipes this is composed of, you can find and copy the GitHub source for the recipe from the link above.

Usage

This recipe has no required configuration options. It can be activated by adding a dependency on org.openrewrite.recipe:rewrite-migrate-java:2.9.0 in your build file or by running a shell command (in which case no build changes are needed):
Gradle
Gradle init script
Maven POM
Maven Command Line
Moderne CLI
  1. 1.
    Add the following to your build.gradle file:
build.gradle
plugins {
id("org.openrewrite.rewrite") version("6.8.4")
}
rewrite {
activeRecipe("org.openrewrite.java.migrate.Java8toJava11")
}
repositories {
mavenCentral()
}
dependencies {
rewrite("org.openrewrite.recipe:rewrite-migrate-java:2.9.0")
}
  1. 2.
    Run gradle rewriteRun to run the recipe.
  1. 1.
    Create a file named init.gradle in the root of your project.
init.gradle
initscript {
repositories {
maven { url "https://plugins.gradle.org/m2" }
}
dependencies { classpath("org.openrewrite:plugin:6.8.4") }
}
rootProject {
plugins.apply(org.openrewrite.gradle.RewritePlugin)
dependencies {
rewrite("org.openrewrite.recipe:rewrite-migrate-java:2.9.0")
}
rewrite {
activeRecipe("org.openrewrite.java.migrate.Java8toJava11")
}
afterEvaluate {
if (repositories.isEmpty()) {
repositories {
mavenCentral()
}
}
}
}
  1. 2.
    Run gradle --init-script init.gradle rewriteRun to run the recipe.
  1. 1.
    Add the following to your pom.xml file:
pom.xml
<project>
<build>
<plugins>
<plugin>
<groupId>org.openrewrite.maven</groupId>
<artifactId>rewrite-maven-plugin</artifactId>
<version>5.23.1</version>
<configuration>
<activeRecipes>
<recipe>org.openrewrite.java.migrate.Java8toJava11</recipe>
</activeRecipes>
</configuration>
<dependencies>
<dependency>
<groupId>org.openrewrite.recipe</groupId>
<artifactId>rewrite-migrate-java</artifactId>
<version>2.9.0</version>
</dependency>
</dependencies>
</plugin>
</plugins>
</build>
</project>
  1. 2.
    Run mvn rewrite:run to run the recipe.
shell
mvn -U org.openrewrite.maven:rewrite-maven-plugin:run -Drewrite.recipeArtifactCoordinates=org.openrewrite.recipe:rewrite-migrate-java:RELEASE -Drewrite.activeRecipes=org.openrewrite.java.migrate.Java8toJava11
You will need to have configured the Moderne CLI on your machine before you can run the following command.
shell
mod run . --recipe Java8toJava11

Definition

Recipe List
Yaml Recipe List
---
type: specs.openrewrite.org/v1beta/recipe
name: org.openrewrite.java.migrate.Java8toJava11
displayName: Migrate to Java 11
description: This recipe will apply changes commonly needed when upgrading to Java 11. Specifically, for those applications that are built on Java 8, this recipe will update and add dependencies on J2EE libraries that are no longer directly bundled with the JDK. This recipe will also replace deprecated API with equivalents when there is a clear migration strategy. Build files will also be updated to use Java 11 as the target/source and plugins will be also be upgraded to versions that are compatible with Java 11.
tags:
- jaxb
- deprecated
- java11
- jaxws
- jakarta
recipeList:
- org.openrewrite.java.migrate.UpgradeToJava8
- org.openrewrite.java.migrate.UseJavaUtilBase64:
useMimeCoder: false
- org.openrewrite.java.migrate.CastArraysAsListToList
- org.openrewrite.java.migrate.javax.AddJaxbDependencies
- org.openrewrite.java.migrate.javax.AddJaxwsDependencies
- org.openrewrite.java.migrate.javax.AddInjectDependencies
- org.openrewrite.staticanalysis.BigDecimalRoundingConstantsToEnums
- org.openrewrite.staticanalysis.PrimitiveWrapperClassConstructorToValueOf
- org.openrewrite.java.migrate.concurrent.JavaConcurrentAPIs
- org.openrewrite.java.migrate.lang.JavaLangAPIs
- org.openrewrite.java.migrate.RemoveMethodInvocation:
methodPattern: java.lang.Runtime runFinalizersOnExit(boolean)
- org.openrewrite.java.migrate.RemoveMethodInvocation:
methodPattern: java.lang.System runFinalizersOnExit(boolean)
- org.openrewrite.java.migrate.logging.JavaLoggingAPIs
- org.openrewrite.java.migrate.lombok.UpdateLombokToJava11
- org.openrewrite.java.migrate.net.JavaNetAPIs
- org.openrewrite.java.migrate.sql.JavaSqlAPIs
- org.openrewrite.java.migrate.javax.JavaxLangModelUtil
- org.openrewrite.java.migrate.javax.JavaxManagementMonitorAPIs
- org.openrewrite.java.migrate.javax.JavaxXmlStreamAPIs
- org.openrewrite.java.migrate.cobertura.RemoveCoberturaMavenPlugin
- org.openrewrite.java.migrate.wro4j.UpgradeWro4jMavenPluginVersion
- org.openrewrite.java.migrate.jacoco.UpgradeJaCoCoMavenPluginVersion
- org.openrewrite.java.migrate.JavaVersion11
- org.openrewrite.java.migrate.util.OptionalNotPresentToIsEmpty
- org.openrewrite.java.migrate.util.OptionalNotEmptyToIsPresent
- org.openrewrite.java.migrate.util.OptionalStreamRecipe
- org.openrewrite.github.SetupJavaUpgradeJavaVersion:
minimumJavaMajorVersion: 11
- org.openrewrite.java.migrate.InternalBindContextFactory

See how this recipe works across multiple open-source repositories

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Contributors