checkstyle.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
        "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
<module name="Checker">
    <property name="severity" value="warning"/>
    <module name="TreeWalker">
        <property name="tabWidth" value="4"/>
        <module name="FileContentsHolder"/>
        <module name="ConstantName"/>
        <module name="LocalFinalVariableName"/>
        <module name="LocalVariableName"/>
        <module name="MemberName"/>
        <module name="MethodName"/>
        <module name="PackageName"/>
        <module name="ParameterName"/>
        <module name="StaticVariableName"/>
        <module name="TypeName"/>
        <module name="AvoidStarImport"/>
        <module name="IllegalImport">
            <property name="severity" value="error"/>
        </module>
        <module name="RedundantImport"/>
        <module name="MethodLength"/>
        <module name="ParameterNumber">
            <property name="max" value="15"/>
        </module>
        <module name="ModifierOrder"/>
        <module name="RedundantModifier"/>
        <module name="EmptyBlock"/>
        <module name="LeftCurly"/>
        <module name="NeedBraces">
            <property name="tokens" value="LITERAL_DO,LITERAL_ELSE,LITERAL_FOR,LITERAL_WHILE"/>
        </module>
        <module name="RightCurly"/>
        <module name="DoubleCheckedLocking"/>
        <module name="EmptyStatement"/>
        <module name="EqualsHashCode"/>
        <module name="HiddenField">
            <property name="ignoreConstructorParameter" value="true"/>
            <property name="ignoreSetter" value="true"/>
            <property name="ignoreAbstractMethods" value="true"/>
        </module>
        <module name="IllegalInstantiation"/>
        <module name="InnerAssignment">
            <property name="tokens" value="ASSIGN"/>
        </module>
        <module name="MissingSwitchDefault"/>
        <module name="RedundantThrows">
            <property name="allowUnchecked" value="true"/>
            <property name="logLoadErrors" value="true"/>
            <property name="suppressLoadErrors" value="true"/>
        </module>
        <module name="SimplifyBooleanExpression"/>
        <module name="SimplifyBooleanReturn"/>
        <module name="FinalClass"/>
        <module name="HideUtilityClassConstructor"/>
        <module name="InterfaceIsType"/>
        <module name="VisibilityModifier"/>
        <module name="ArrayTypeStyle"/>
        <module name="ClassTypeParameterName"/>
        <module name="MissingDeprecated"/>
        <module name="MissingOverride"/>
        <module name="PackageAnnotation"/>
        <module name="MethodTypeParameterName"/>
        <module name="AvoidStaticImport"/>
        <module name="DefaultComesLast"/>
        <module name="DeclarationOrder"/>
        <module name="ExplicitInitialization"/>
        <module name="FallThrough"/>
        <module name="FinalLocalVariable"/>
        <module name="IllegalCatch"/>
        <module name="IllegalThrows"/>
        <module name="IllegalType">
            <property name="tokens" value="METHOD_DEF,PARAMETER_DEF,VARIABLE_DEF"/>
            <property name="illegalClassNames" value="java.util.Hashtable, java.util.HashSet, java.util.HashMap, java.util.ArrayList, java.util.LinkedList, java.util.LinkedHashMap, java.util.LinkedHashSet, java.util.TreeSet, java.util.TreeMap, java.util.Vector"/>
        </module>
        <module name="ModifiedControlVariable"/>
        <module name="MultipleVariableDeclarations"/>
        <module name="NoFinalizer"/>
        <module name="PackageDeclaration"/>
        <module name="ParameterAssignment"/>
        <module name="StringLiteralEquality"/>
        <module name="MutableException"/>
        <module name="Indentation"/>
        <module name="UncommentedMain">
            <property name="excludedClasses" value="Main$"/>
        </module>
        <module name="UpperEll"/>
        <module name="LineLength">
            <property name="max" value="120"/>
            <property name="tabWidth" value="4"/>
        </module>
        <module name="AvoidNestedBlocks">
            <property name="allowInSwitchCase" value="true"/>
        </module>
        <module name="AnnotationUseStyle"/>
        <module name="SuppressWarnings"/>
        <module name="JavadocStyle">
            <property name="checkEmptyJavadoc" value="true"/>
        </module>
        <module name="JavadocVariable">
            <property name="excludeScope" value="private"/>
            <property name="scope" value="package"/>
        </module>
        <module name="AnonInnerLength">
            <property name="max" value="30"/>
        </module>
        <module name="OuterTypeNumber"/>
        <module name="EmptyForInitializerPad">
            <property name="option" value="space"/>
        </module>
        <module name="EmptyForIteratorPad">
            <property name="option" value="space"/>
        </module>
        <module name="NoWhitespaceAfter">
            <property name="tokens" value="ARRAY_INIT,DOT"/>
        </module>
        <module name="NoWhitespaceBefore">
            <property name="tokens" value="SEMI,DOT"/>
        </module>
        <module name="MethodParamPad"/>
        <module name="ParenPad"/>
        <module name="TypecastParenPad">
            <property name="tokens" value="RPAREN,TYPECAST"/>
        </module>
        <module name="WhitespaceAfter"/>
        <module name="WhitespaceAround"/>
        <module name="EqualsAvoidNull"/>
        <module name="IllegalToken">
            <property name="tokens" value="POST_DEC,LITERAL_NATIVE"/>
        </module>
        <module name="NestedTryDepth"/>
        <module name="UnnecessaryParentheses"/>
        <module name="CyclomaticComplexity"/>
        <module name="NPathComplexity"/>
        <module name="TodoComment">
            <property name="format" value="TODO|FIXME"/>
        </module>
        <module name="TrailingComment"/>
        <module name="JavadocMethod">
            <property name="scope" value="package"/>
            <property name="allowUndeclaredRTE" value="true"/>
            <property name="allowMissingPropertyJavadoc" value="true"/>
            <property name="logLoadErrors" value="true"/>
            <property name="suppressLoadErrors" value="true"/>
            <property name="tokens" value="METHOD_DEF"/>
        </module>
        <!--
        As long as maven-checkstyle-plugin uses checkstyle 5.0 we can not use this
        because of http://sourceforge.net/tracker/index.php?func=detail&aid=2882261&group_id=29721&atid=397081
        <module name="JavadocType">
            <property name="allowUnknownTags" value="true"/>
        </module>
        -->
    </module>
    <module name="Translation"/>
    <module name="FileLength"/>
    <!--
    Not the same effect on unix / windows systems.
    <module name="NewlineAtEndOfFile"/>
    -->
    <module name="FileTabCharacter"/>
    <module name="SuppressionCommentFilter"/>
</module>