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Migrate Log4j 2.x Appender to logback-classic equivalents
** org.openrewrite.java.logging.logback.Log4jAppenderToLogback** Migrates custom Log4j 2.x Appender components to logback-classic. This recipe operates on the following assumptions: 1.) The contents of the append() method remains unchanged. 2.) The requiresLayout() method is not used in logback and can be removed. 3.) In logback, the stop() method is the equivalent of log4j's close() method. For more details, see this page from logback: Migration from log4j.

Source

  • groupId: org.openrewrite.recipe
  • artifactId: rewrite-logging-frameworks
  • version: 1.8.0

Usage

This recipe has no required configuration options and can be activated directly after taking a dependency on org.openrewrite.recipe:rewrite-logging-frameworks:1.8.0 in your build file:
Gradle
Maven
build.gradle
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plugins {
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id("org.openrewrite.rewrite") version("5.22.2")
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}
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rewrite {
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activeRecipe("org.openrewrite.java.logging.logback.Log4jAppenderToLogback")
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}
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repositories {
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mavenCentral()
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}
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dependencies {
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rewrite("org.openrewrite.recipe:rewrite-logging-frameworks:1.8.0")
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}
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pom.xml
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<project>
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<build>
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<plugins>
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<plugin>
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<groupId>org.openrewrite.maven</groupId>
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<artifactId>rewrite-maven-plugin</artifactId>
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<version>4.25.0</version>
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<configuration>
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<activeRecipes>
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<recipe>org.openrewrite.java.logging.logback.Log4jAppenderToLogback</recipe>
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</activeRecipes>
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</configuration>
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<dependencies>
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<dependency>
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<groupId>org.openrewrite.recipe</groupId>
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<artifactId>rewrite-logging-frameworks</artifactId>
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<version>1.8.0</version>
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</dependency>
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</dependencies>
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</plugin>
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</plugins>
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</build>
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</project>
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Recipes can also be activated directly from the command line by adding the argument -Drewrite.activeRecipesorg.openrewrite.java.logging.logback.Log4jAppenderToLogback
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Source
Usage