checkstyle.xml

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

<!--
    Checkstyle configuration that checks the ADV coding conventions.

    Authors: Murièle Trentini, Michael Wieland
 -->
<module name="Checker">

    <property name="charset" value="UTF-8"/>
    <property name="severity" value="warning"/>
    <property name="fileExtensions" value="java, properties, xml"/>

    <!-- Checks that property files contain the same keys. -->
    <module name="Translation"/>

    <!-- Checks for Size Violations. -->
    <module name="FileLength"/>

    <!-- Checks for whitespace -->
    <module name="FileTabCharacter"/>

    <!-- Miscellaneous other checks. -->
    <module name="RegexpSingleline">
        <property name="format" value="\s+$"/>
        <property name="minimum" value="0"/>
        <property name="maximum" value="0"/>
        <property name="message" value="Line has trailing spaces."/>
    </module>

    <!-- Disabled Modules
    <module name="JavadocPackage"/>
    <module name="NewlineAtEndOfFile"/>
    -->

    <module name="TreeWalker">

        <!-- Checks for Javadoc comments -->
        <module name="JavadocMethod">
            <property name="allowMissingPropertyJavadoc" value="true"/>
            <property name="tokens" value="METHOD_DEF,ANNOTATION_FIELD_DEF"/>
            <property name="excludeScope" value="private"/>
        </module>
        <module name="JavadocStyle">
            <property name="checkFirstSentence" value="false"/>
        </module>

        <!-- Checks for Naming Conventions. -->
        <module name="ConstantName">
            <property name="format" value="^([A-Z][A-Z0-9]*(_[A-Z0-9]+)*|logger)$"/>
        </module>

        <!-- Checks for imports -->
        <module name="UnusedImports">
            <property name="processJavadoc" value="false"/>
        </module>


        <module name="NoWhitespaceAfter">
            <property name="tokens" value="ARRAY_INIT,INC,DEC,UNARY_MINUS,UNARY_PLUS,BNOT,LNOT,DOT,INDEX_OP"/>
        </module>
        <module name="HiddenField">
            <property name="ignoreConstructorParameter" value="true"/>
            <property name="ignoreSetter" value="true"/>
        </module>

        <!-- Checks for Size Violations. -->
        <module name="ParameterNumber">
            <property name="max" value="8"/>
            <property name="ignoreOverriddenMethods" value="true"/>
        </module>

        <!-- Checks for class design -->
        <module name="VisibilityModifier">
            <property name="protectedAllowed" value="true"/>
        </module>

        <!-- Checks for Naming Conventions. -->
        <module name="JavadocType"/>
        <module name="LocalFinalVariableName"/>
        <module name="LocalVariableName"/>
        <module name="MemberName"/>
        <module name="MethodName"/>
        <module name="PackageName"/>
        <module name="ParameterName"/>
        <module name="StaticVariableName"/>
        <module name="TypeName"/>

        <!-- Checks for imports -->
        <module name="IllegalImport"/>
        <module name="RedundantImport"/>

        <!-- Checks for Size Violations. -->
        <module name="LineLength"/>
        <module name="MethodLength"/>

        <!-- Checks for whitespace  -->
        <module name="EmptyForIteratorPad"/>
        <module name="GenericWhitespace"/>
        <module name="MethodParamPad"/>
        <module name="NoWhitespaceAfter"/>
        <module name="NoWhitespaceBefore"/>
        <module name="OperatorWrap"/>
        <module name="ParenPad"/>
        <module name="TypecastParenPad"/>
        <module name="WhitespaceAfter"/>
        <module name="WhitespaceAround"/>

        <!-- Modifier Checks -->
        <module name="ModifierOrder"/>
        <module name="RedundantModifier"/>

        <!-- Checks for blocks. You know, those {}'s -->
        <module name="AvoidNestedBlocks"/>
        <module name="EmptyBlock"/>
        <module name="LeftCurly"/>
        <module name="NeedBraces"/>
        <module name="RightCurly"/>

        <!-- Checks for common coding problems -->
        <module name="AvoidInlineConditionals"/>
        <module name="EmptyStatement"/>
        <module name="EqualsHashCode"/>
        <module name="IllegalInstantiation"/>
        <module name="InnerAssignment"/>
        <module name="MissingSwitchDefault"/>
        <module name="SimplifyBooleanExpression"/>
        <module name="SimplifyBooleanReturn"/>

        <!-- Checks for class design -->
        <module name="FinalClass"/>
        <module name="InterfaceIsType"/>

        <!-- Miscellaneous other checks. -->
        <module name="ArrayTypeStyle"/>
        <module name="TodoComment"/>
        <module name="UpperEll"/>

        <!-- Disabled Modules
        <module name="JavadocVariable"/>
        <module name="AvoidStarImport"/>
        <module name="HiddenField"/>
        <module name="MagicNumber"/>
        <module name="DesignForExtension"/>
        <module name="HideUtilityClassConstructor"/>
        <module name="FinalParameters"/>
        -->

    </module>
</module>