Use logger instead of system print statements

org.openrewrite.java.logging.SystemPrintToLogging
Replace System.out and System.err print statements with a logger.
Source
​GitHub, Issue Tracker, Maven Central​
groupId: org.openrewrite.recipe
artifactId: rewrite-logging-frameworks
version: 2.0.4
Options
Type
Name
Description
Boolean
addLogger
Optional. Add a logger field to the class if it isn't already present.
String
loggerName
Optional. The name of the logger to use when generating a field.
String
loggingFramework
Optional. The logging framework to use.
String
level
Optional. The logging level to turn System.out print statements into.
Usage
This recipe has no required configuration options. It can be activated by adding a dependency on org.openrewrite.recipe:rewrite-logging-frameworks:2.0.4 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
1.Add the following to your build.gradle file:
build.gradle
plugins {
    id("org.openrewrite.rewrite") version("6.3.11")
}
​
rewrite {
    activeRecipe("org.openrewrite.java.logging.SystemPrintToLogging")
}
​
repositories {
    mavenCentral()
}
​
dependencies {
    rewrite("org.openrewrite.recipe:rewrite-logging-frameworks:2.0.4")
}
2.Run gradle rewriteRun to run the recipe.
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:6.3.11") }
}
rootProject {
    plugins.apply(org.openrewrite.gradle.RewritePlugin)
    dependencies {
        rewrite("org.openrewrite.recipe:rewrite-logging-frameworks:2.0.4")
    }
    rewrite {
        activeRecipe("org.openrewrite.java.logging.SystemPrintToLogging")
    }
    afterEvaluate {
        if (repositories.isEmpty()) {
            repositories {
                mavenCentral()
            }
        }
    }
}
2.Run gradle --init-script init.gradle rewriteRun to run the recipe.
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>5.5.2</version>
        <configuration>
          <activeRecipes>
            <recipe>org.openrewrite.java.logging.SystemPrintToLogging</recipe>
          </activeRecipes>
        </configuration>
        <dependencies>
          <dependency>
            <groupId>org.openrewrite.recipe</groupId>
            <artifactId>rewrite-logging-frameworks</artifactId>
            <version>2.0.4</version>
          </dependency>
        </dependencies>
      </plugin>
    </plugins>
  </build>
</project>
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-logging-frameworks:RELEASE \
  -Drewrite.activeRecipes=org.openrewrite.java.logging.SystemPrintToLogging
Definition
Recipe List
Yaml Recipe List
​Use logger instead of system print statements​
​Use logger instead of system print statements​
​Use logger instead of printStackTrace()​
---
type: specs.openrewrite.org/v1beta/recipe
name: org.openrewrite.java.logging.SystemPrintToLogging
displayName: Use logger instead of system print statements
description: Replace `System.out` and `System.err` print statements with a logger.
​
​
​
​
recipeList:
  - org.openrewrite.java.logging.SystemErrToLogging:
  - org.openrewrite.java.logging.SystemOutToLogging:
  - org.openrewrite.java.logging.PrintStackTraceToLogError:
​
Contributors
​Jonathan Schneider​
​Knut Wannheden​
​Sam Snyder​
See how this recipe works across multiple open-source repositories
​​
​​
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Please contact Moderne for more information about safely running the recipes on your own codebase in a private SaaS.

Type	Name	Description
`Boolean`	addLogger	Optional. Add a logger field to the class if it isn't already present.
`String`	loggerName	Optional. The name of the logger to use when generating a field.
`String`	loggingFramework	Optional. The logging framework to use.
`String`	level	Optional. The logging level to turn `System.out` print statements into.

Log4j

Last modified 6d ago