checkstyle.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.2//EN" "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">

<module name="Checker">
  <module name="SuppressWithNearbyCommentFilter">
    <property name="commentFormat" value="CHECKSTYLE IGNORE (\w+) FOR NEXT (\d+) LINE"/>
    <property name="checkFormat" value="$1"/>
    <property name="influenceFormat" value="$2"/>
  </module>
  <module name="SuppressionFilter">
    <property name="file" value="suppressions.xml"/>
  </module>
  <module name="FileTabCharacter">
    <property name="eachLine" value="true"/>
    <property name="fileExtensions" value="java"/>
  </module>
  <module name="NewlineAtEndOfFile">
    <property name="severity" value="warning" />
  </module>
  <module name="TreeWalker">
    <property name="tabWidth" value="1" />
    <module name="AvoidStarImport">
      <property name="severity" value="info" />
      <property name="allowClassImports" value="false" />
      <property name="allowStaticMemberImports" value="false" />
    </module>
    <module name="DefaultComesLast">
      <property name="severity" value="warning" />
    </module>
    <module name="EmptyStatement">
      <property name="severity" value="info" />
    </module>
    <module name="EqualsHashCode">
      <property name="severity" value="warning" />
    </module>
    <module name="FallThrough">
      <property name="severity" value="warning" />
    </module>
    <module name="FinalLocalVariable">
      <property name="severity" value="info" />
    </module>
    <module name="FinalParameters">
      <property name="severity" value="info" />
    </module>
    <module name="HideUtilityClassConstructor">
      <property name="severity" value="warning" />
    </module>
    <module name="IllegalThrows">
      <property name="severity" value="warning" />
    </module>
    <module name="InnerAssignment">
      <property name="severity" value="warning" />
    </module>
    <module name="LeftCurly">
      <property name="severity" value="info" />
      <property name="option" value="eol" />
    </module>
    <module name="LocalFinalVariableName">
      <property name="severity" value="warning" />
    </module>
    <module name="LocalVariableName">
      <property name="severity" value="warning" />
    </module>
    <module name="MemberName">
      <property name="severity" value="warning" />
    </module>
    <module name="MethodName">
      <property name="severity" value="warning" />
    </module>
    <module name="MissingOverride">
      <property name="severity" value="warning" />
    </module>
    <module name="ModifiedControlVariable">
      <property name="severity" value="warning" />
    </module>
    <module name="ModifierOrder">
      <property name="severity" value="warning" />
    </module>
    <module name="NeedBraces">
      <property name="severity" value="info" />
    </module>
    <module name="OuterTypeFilename">
      <property name="severity" value="info" />
    </module>
    <module name="PackageName">
      <property name="severity" value="warning" />
    </module>
    <module name="ParameterAssignment">
      <property name="severity" value="warning" />
    </module>
    <module name="ParameterName">
      <property name="severity" value="warning" />
    </module>
    <module name="ParenPad">
      <property name="severity" value="info" />
      <property name="option" value="nospace" />
    </module>
    <module name="RedundantImport">
      <property name="severity" value="info" />
    </module>
    <module name="RedundantModifier">
      <property name="severity" value="ignore" />
    </module>
    <module name="RightCurly">
      <property name="severity" value="info" />
      <property name="tokens" value="LITERAL_TRY, LITERAL_IF" />
      <property name="option" value="same" />
    </module>
    <module name="SimplifyBooleanExpression">
      <property name="severity" value="warning" />
    </module>
    <module name="SimplifyBooleanReturn">
      <property name="severity" value="warning" />
    </module>
    <module name="StaticVariableName">
      <property name="severity" value="warning" />
    </module>
    <module name="StringLiteralEquality">
      <property name="severity" value="warning" />
    </module>
    <module name="UnnecessaryParentheses">
      <property name="severity" value="info" />
    </module>
    <module name="UnusedImports">
      <property name="severity" value="warning" />
      <property name="processJavadoc" value="true" />
    </module>
    <module name="WhitespaceAfter">
      <property name="severity" value="info" />
    </module>
    <module name="WhitespaceAround">
      <property name="severity" value="info" />
    </module>
  </module>
</module>