checkstyle.xml

<?xml version="1.0"?>
<!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="NewlineAtEndOfFile">
    <property name="lineSeparator" value="lf"/>
  </module>
  <module name="Translation"/>
  <module name="FileTabCharacter"/>
  <module name="RegexpSingleline">
    <property name="format" value="\t"/>
    <property name="minimum" value="0"/>
    <property name="maximum" value="0"/>
    <property name="message" value="Line contains tabs, convert to spaces."/>
  </module>
  <module name="SuppressWarningsFilter"/>
  <module name="TreeWalker">
    <module name="Regexp">
      <property name="id" value="NoAccessToStdOut"/>
      <property name="format" value="System\.out"/>
      <property name="illegalPattern" value="true"/>
      <property name="message" value="Atttempt to access stdout"/>
    </module>
    <module name="Regexp">
      <property name="format" value="printStackTrace"/>
      <property name="illegalPattern" value="true"/>
    </module>
    <module name="JavadocMethod">
      <property name="accessModifiers" value="public"/>
    </module>
    <module name="SuppressWarningsHolder"/>
    <module name="JavadocType"/>
    <module name="JavadocStyle"/>
    <module name="ConstantName">
      <property name="format" value="^logger$|^[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$"/>
    </module>
    <module name="LocalFinalVariableName"/>
    <module name="NoFinalizer"/>
    <module name="LocalVariableName"/>
    <module name="MemberName"/>
    <module name="MethodName"/>
    <module name="PackageName"/>
    <module name="ParameterName"/>
    <module name="StaticVariableName"/>
    <module name="TypeName"/>
    <module name="AvoidStarImport">
      <property name="allowStaticMemberImports" value="true"/>
    </module>
    <module name="IllegalImport"/>
    <module name="RedundantImport"/>
    <module name="UnusedImports"/>
    <module name="ParameterNumber">
      <property name="max" value="35"/>
    </module>
    <module name="EmptyForIteratorPad"/>
    <module name="GenericWhitespace"/>
    <module name="MethodParamPad"/>
    <module name="NoWhitespaceAfter"/>
    <module name="NoWhitespaceBefore">
      <property name="tokens" value="POST_DEC,POST_INC"/>
    </module>
    <module name="OperatorWrap"/>
    <module name="ParenPad"/>
    <module name="TypecastParenPad"/>
    <module name="WhitespaceAfter"/>
    <module name="ModifierOrder"/>
    <module name="RedundantModifier"/>
    <module name="AvoidNestedBlocks"/>
    <module name="EmptyBlock"/>
    <module name="LeftCurly"/>
    <module name="NeedBraces"/>
    <module name="RightCurly"/>
    <module name="EmptyStatement"/>
    <module name="EqualsHashCode"/>
    <module name="IllegalInstantiation"/>
    <module name="MissingSwitchDefault"/>
    <module name="SimplifyBooleanExpression"/>
    <module name="SimplifyBooleanReturn"/>
    <module name="InterfaceIsType"/>
    <module name="VisibilityModifier">
      <property name="allowPublicFinalFields" value="true"/>
      <property name="allowPublicImmutableFields" value="true"/>
      <property name="protectedAllowed" value="true"/>
    </module>
    <module name="TodoComment"/>
    <module name="UpperEll"/>
    <module name="Regexp">
      <property name="format" value="System\.out\.print"/>
      <property name="illegalPattern" value="true"/>
    </module>
  </module>
</module>