checkstyle.xml

<?xml version="1.0"?>
<!DOCTYPE module PUBLIC
        "-//Puppy Crawl//DTD Check Configuration 1.3//EN"
        "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
<module name="Checker">

    <module name="TreeWalker">
        <module name="LineLength">
            <property name="max" value="100"/>
            <property name="ignorePattern" value="^(package .*;)|(import .*;)|(\{@link .*)$"/>
        </module>
        <module name="FileContentsHolder"/>
        <module name="SuppressWarningsHolder"/>
        <module name="JavadocMethod">
            <property name="allowMissingJavadoc" value="true"/>
            <property name="allowMissingParamTags" value="true"/>
            <property name="allowMissingThrowsTags" value="true"/>
            <property name="allowMissingReturnTag" value="true"/>
            <property name="validateThrows" value="true"/>
            <property name="allowUndeclaredRTE" value="true"/>
        </module>
        <module name="JavadocStyle">
            <property name="checkFirstSentence" value="false"/>
        </module>
        <module name="TypeName"/>
        <module name="MethodName"/>
        <module name="ParameterName"/>
        <module name="LocalVariableName"/>
        <module name="LocalFinalVariableName"/>
        <module name="StaticVariableName"/>
        <module name="MemberName"/>
        <module name="AvoidStarImport"/>
        <module name="AvoidStaticImport">
            <property name="excludes" value="org.junit.Assert.*"/>
        </module>
        <module name="RedundantImport"/>
        <module name="UnusedImports"/>
        <module name="ImportOrder">
            <property name="groups" value="java,javax,org,com,*"/>
            <property name="ordered" value="true"/>
            <property name="caseSensitive" value="true"/>
            <!-- This ensures that static imports go first. -->
            <property name="option" value="top"/>
            <property name="tokens" value="STATIC_IMPORT, IMPORT"/>
        </module>
        <module name="ParameterNumber">
            <property name="max" value="10"/>
            <property name="tokens" value="METHOD_DEF"/>
        </module>
        <module name="WhitespaceAfter">
            <property name="tokens" value="COMMA, SEMI"/>
        </module>
        <module name="WhitespaceAround"/>
        <module name="NoWhitespaceBefore"/>
        <module name="ParenPad"/>
        <module name="TypecastParenPad"/>
        <module name="EmptyForIteratorPad"/>
        <module name="GenericWhitespace"/>
        <module name="MethodParamPad"/>
        <module name="NoWhitespaceAfter"/>
        <module name="EmptyLineSeparator">
            <property name="allowNoEmptyLineBetweenFields" value="true"/>
        </module>
        <module name="ModifierOrder"/>
        <module name="RedundantModifier"/>
        <module name="AvoidNestedBlocks"/>
        <module name="EmptyBlock">
            <property name="option" value="text"/>
            <property name="tokens"
                      value="LITERAL_CATCH, LITERAL_ELSE, LITERAL_FINALLY, LITERAL_IF, LITERAL_FOR, LITERAL_TRY, INSTANCE_INIT, STATIC_INIT, LITERAL_SWITCH"/>
        </module>
        <module name="LeftCurly"/>
        <module name="NeedBraces"/>
        <module name="RightCurly"/>
        <module name="AnnotationLocation">
            <property name="tokens" value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF"/>
        </module>
        <module name="AnnotationLocation">
            <property name="tokens" value="VARIABLE_DEF"/>
            <property name="allowSamelineMultipleAnnotations" value="true"/>
        </module>
        <module name="AnnotationUseStyle"/>
        <module name="MissingOverride"/>
        <module name="ArrayTypeStyle"/>
        <module name="DefaultComesLast"/>
        <module name="EmptyStatement"/>
        <module name="FallThrough"/>
        <module name="HiddenField">
            <property name="tokens" value="VARIABLE_DEF"/>
        </module>
        <module name="EqualsHashCode"/>
        <module name="IllegalInstantiation"/>
        <module name="IllegalType">
            <property name="format" value="class"/>
        </module>
        <module name="MultipleVariableDeclarations"/>
        <module name="OneStatementPerLine"/>
        <module name="SimplifyBooleanExpression"/>
        <module name="SimplifyBooleanReturn"/>
        <module name="StringLiteralEquality"/>
        <module name="VariableDeclarationUsageDistance">
            <property name="allowedDistance" value="12"/>
        </module>
        <module name="InterfaceIsType"/>
        <module name="OneTopLevelClass"/>
        <module name="UpperEll"/>
        <module name="OuterTypeFilename"/>
        <module name="Indentation"/>
    </module>
    <module name="RegexpSingleline">
        <property name="format" value="\s+$"/>
        <property name="minimum" value="0"/>
        <property name="maximum" value="0"/>
        <property name="message" value="Line should not end with spaces."/>
    </module>
    <module name="RegexpMultiline">
        <property name="format" value="^(\r?\n|\r)^(\r?\n|\r)"/>
        <property name="minimum" value="0"/>
        <property name="maximum" value="0"/>
        <property name="message" value="Avoid multiple consecutive blank lines."/>
    </module>
    <module name="Translation"/>
    <module name="FileLength">
        <property name="max" value="1000"/>
    </module>
    <module name="FileTabCharacter"/>
    <module name="SuppressWarningsFilter"/>
</module>