Checkstyle plugin

Enabling

To enable checkstyle for module add following code to pom.xml in section <plugins></plugins>:

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-checkstyle-plugin</artifactId>
</plugin>

If you need report being generated without failing a build add:

<plugin>
    <groupId>org.apache.maven.plugins</groupId>
    <artifactId>maven-checkstyle-plugin</artifactId>
    <configuration>
        <failOnViolation>false</failOnViolation>
        <failsOnError>false</failsOnError>
    </configuration>
</plugin>

Report

Checkstyle generates a report which can be found in the ./your_module_name/target/checkstyle directory.

Checkstyle checker

Checkstyle checker stored in /checkstyle-checker.xml