checkstyle.xml

<?xml version="1.0"?>
<!DOCTYPE module PUBLIC "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN" "https://checkstyle.org/dtds/configuration_1_3.dtd">
<module name="Checker">
  <module name="TreeWalker">
    <module name="BooleanExpressionComplexity"/>
    <module name="CyclomaticComplexity"/>
    <module name="MethodLength"/>
    <module name="EmptyCatchBlock"/>
    <module name="AvoidStarImport"/>
    <module name="IllegalImport"/>
    <module name="NeedBraces"/>
  </module>
  <module name="FileLength">
    <property name="fileExtensions" value="java"/>
  </module>
  <module name="LineLength">
    <property name="max" value="120"/>
    <property name="fileExtensions" value="java"/>
  </module>
  <module name="FileTabCharacter"/>
  <module name="Header">
    <property name="headerFile" value="config/headerPattern.header"/>
    <property name="fileExtensions" value="java"/>
  </module>
</module>