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Migrate Log4j 2.x to Logback

org.openrewrite.java.logging.logback.Log4jToLogback

Migrates usage of Apache Log4j 2.x to using logback as an SLF4J implementation directly. Note, this currently does not modify log4j.properties files.

Tags

  • logging
  • log4j
  • logback

Source

GitHub, Issue Tracker, Maven Central

  • groupId: org.openrewrite.recipe
  • artifactId: rewrite-logging-frameworks
  • 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-logging-frameworks: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.logging.logback.Log4jToLogback")
}

repositories {
    mavenCentral()
}

dependencies {
    rewrite("org.openrewrite.recipe:rewrite-logging-frameworks: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.logging.logback.Log4jToLogback</recipe>
          </activeRecipes>
        </configuration>
        <dependencies>
          <dependency>
            <groupId>org.openrewrite.recipe</groupId>
            <artifactId>rewrite-logging-frameworks</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-logging-frameworks:RELEASE \
  -Drewrite.activeRecipes=org.openrewrite.java.logging.logback.Log4jToLogback

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

Definition

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

{% endtab %}

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

---
type: specs.openrewrite.org/v1beta/recipe
name: org.openrewrite.java.logging.logback.Log4jToLogback
displayName: Migrate Log4j 2.x to Logback
description: Migrates usage of Apache Log4j 2.x to using `logback` as an SLF4J implementation directly. Note, this currently does not modify `log4j.properties` files.
tags:
  - logging
  - log4j
  - logback
recipeList:
  - org.openrewrite.java.logging.slf4j.Log4jToSlf4j
  - org.openrewrite.java.logging.logback.Log4jAppenderToLogback
  - org.openrewrite.java.logging.logback.Log4jLayoutToLogback
  - org.openrewrite.maven.AddDependency:
      groupId: ch.qos.logback
      artifactId: logback-core
      version: latest.release
      onlyIfUsing: org.apache.logging.log4j.*
  - org.openrewrite.maven.AddDependency:
      groupId: ch.qos.logback
      artifactId: logback-classic
      version: latest.release
      onlyIfUsing: org.apache.logging.log4j.*
  - org.openrewrite.maven.AddDependency:
      groupId: org.slf4j
      artifactId: slf4j-api
      version: latest.release
      onlyIfUsing: org.apache.logging.log4j.*
  - org.openrewrite.maven.RemoveDependency:
      groupId: org.apache.logging.log4j
      artifactId: log4j-*

{% endtab %} {% endtabs %}

Contributors

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