checkstyle.xml

<?xml version="1.0"?>
<!DOCTYPE module PUBLIC "-//Puppet Labs//DTD Checkstyle Configuration 1.3//EN"
"http://checkstyle.sourceforge.net/dtds/configuration_1_3.dtd">

<module name="Checker">
    <module name="TreeWalker">
        <!-- Example of standard checks -->
        <module name="LineLength">
            <property name="max" value="120"/>
        </module>
        <module name="Indentation">
            <property name="tabWidth" value="4"/>
            <property name="indent" value="4"/>
        </module>
        <module name="FileTabCharacter"/>
        <module name="JavadocStyle"/>
        <module name="NoWhitespaceBefore">
            <property name="allowSingleLineMethod" value="true"/>
        </module>
        <module name="WhitespaceAround"/>
        <module name="FinalLocalVariable"/>
        <module name="CheckStyle"/>
    </module>
</module>