prefermathsubtractexact.md

Prefer Math#subtractExact

org.openrewrite.java.migrate.guava.PreferMathSubtractExact

Prefer java.lang.Math#subtractExact instead of using com.google.common.primitives.IntMath#checkedSubtract or com.google.common.primitives.IntMath#subtractExact.

Tags

• guava

Source

GitHub, Issue Tracker, Maven Central

• groupId: org.openrewrite.recipe
• artifactId: rewrite-migrate-java
• version: 2.0.1

Usage

This recipe has no required configuration options. It can be activated by adding a dependency on org.openrewrite.recipe:rewrite-migrate-java:2.0.1 in your build file or by running a shell command (in which case no build changes are needed): {% tabs %} {% tab title="Gradle" %} {% code title="build.gradle" %}

plugins {
    id("org.openrewrite.rewrite") version("6.1.4")
}

rewrite {
    activeRecipe("org.openrewrite.java.migrate.guava.PreferMathSubtractExact")
}

repositories {
    mavenCentral()
}

dependencies {
    rewrite("org.openrewrite.recipe:rewrite-migrate-java:2.0.1")
}

{% endcode %} {% endtab %} {% tab title="Maven POM" %} {% code title="pom.xml" %}

<project>
  <build>
    <plugins>
      <plugin>
        <groupId>org.openrewrite.maven</groupId>
        <artifactId>rewrite-maven-plugin</artifactId>
        <version>5.2.4</version>
        <configuration>
          <activeRecipes>
            <recipe>org.openrewrite.java.migrate.guava.PreferMathSubtractExact</recipe>
          </activeRecipes>
        </configuration>
        <dependencies>
          <dependency>
            <groupId>org.openrewrite.recipe</groupId>
            <artifactId>rewrite-migrate-java</artifactId>
            <version>2.0.1</version>
          </dependency>
        </dependencies>
      </plugin>
    </plugins>
  </build>
</project>

{% endcode %} {% endtab %}

{% tab title="Maven Command Line" %} {% code title="shell" %} You will need to have Maven installed on your machine before you can run the following command.

mvn -U org.openrewrite.maven:rewrite-maven-plugin:run \
  -Drewrite.recipeArtifactCoordinates=org.openrewrite.recipe:rewrite-migrate-java:RELEASE \
  -Drewrite.activeRecipes=org.openrewrite.java.migrate.guava.PreferMathSubtractExact

{% endcode %} {% endtab %} {% endtabs %}

Definition

{% tabs %} {% tab title="Recipe List" %}

• Change method name
  • methodPattern: com.google.common.math.IntMath checkedSubtract(..)
  • newMethodName: subtractExact
• Change method target to static
  • methodPattern: com.google.common.math.IntMath subtractExact(..)
  • fullyQualifiedTargetTypeName: java.lang.Math

{% endtab %}

{% tab title="Yaml Recipe List" %}

---
type: specs.openrewrite.org/v1beta/recipe
name: org.openrewrite.java.migrate.guava.PreferMathSubtractExact
displayName: Prefer `Math#subtractExact`
description: Prefer `java.lang.Math#subtractExact` instead of using `com.google.common.primitives.IntMath#checkedSubtract` or `com.google.common.primitives.IntMath#subtractExact`.

tags:
  - guava
recipeList:
  - org.openrewrite.java.ChangeMethodName:
      methodPattern: com.google.common.math.IntMath checkedSubtract(..)
      newMethodName: subtractExact
  - org.openrewrite.java.ChangeMethodTargetToStatic:
      methodPattern: com.google.common.math.IntMath subtractExact(..)
      fullyQualifiedTargetTypeName: java.lang.Math

{% endtab %} {% endtabs %}

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