Multiverse-Core/config/mv_checks.xml

<!--~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  ~ Multiverse 2 Copyright (c) the Multiverse Team 2011.                      ~
  ~ Multiverse 2 is licensed under the BSD License.                           ~
  ~ For more information please check the README.md file included             ~
  ~ with this project.                                                        ~
  ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~-->

<!DOCTYPE module PUBLIC
        "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
        "https://checkstyle.org/dtds/configuration_1_3.dtd">
<!-- Future reference: valid severity values are 'ignore', 'info', 'warning', 'error' -->
<module name="Checker">

    <!-- Javadoc Comments -->
    <module name="JavadocPackage"/><!-- require package-info.java file -->

    <!-- Miscellaneous -->
    <module name="NewlineAtEndOfFile" />
    <module name="OrderedProperties"/>
    <module name="Translation"/>
    <module name="UniqueProperties"/>

    <!-- Regexp -->
    <module name="RegexpSingleline">
        <property name="message" value="Line has trailing spaces."/>
        <property name="format" value="\s+$"/>
    </module>

    <!-- Size Violations -->
    <module name="FileLength">
        <property name="max" value="2000"/>
    </module>
    <module name="LineLength">
        <property name="fileExtensions" value="java"/>
        <property name="max" value="160"/>
        <property name="severity" value="warning"/>
    </module>

    <!-- Whitespace -->
    <module name="FileTabCharacter">
        <property name="eachLine" value="true"/>
    </module>

    <module name="TreeWalker">
        <!-- Make suppression possible -->
        <module name="SuppressWithNearbyCommentFilter">
            <property name="commentFormat" value="SUPPRESS CHECKSTYLE: (\w+)"/>
            <property name="checkFormat" value="$1"/>
        </module>
        <module name="SuppressionCommentFilter">
            <property name="offCommentFormat" value="BEGIN CHECKSTYLE-SUPPRESSION\: (\w+)"/>
            <property name="onCommentFormat" value="END CHECKSTYLE-SUPPRESSION\: (\w+)"/>
            <property name="checkFormat" value="$1"/>
        </module>
        <module name="SuppressionCommentFilter">
            <property name="offCommentFormat" value="BEGIN CHECKSTYLE-SUPPRESSION\: ALL"/>
            <property name="onCommentFormat" value="END CHECKSTYLE-SUPPRESSION\: ALL"/>
        </module>

        <!-- Actual checks -->

        <!-- Annotations -->
        <module name="AnnotationLocation"/>
        <module name="AnnotationUseStyle"/>
        <module name="MissingDeprecated"/>
        <module name="MissingOverride"/>

        <!-- Block Checks -->
        <module name="AvoidNestedBlocks"/>
        <module name="EmptyBlock"/>
        <module name="EmptyCatchBlock">
            <property name="exceptionVariableName" value="ignore"/>
        </module>
        <module name="LeftCurly">
            <property name="ignoreEnums" value="false"/>
        </module>
        <module name="NeedBraces">
            <property name="tokens" value="LITERAL_IF"/>
            <property name="allowSingleLineStatement" value="true"/>
        </module>
        <module name="NeedBraces">
            <property name="tokens" value="LITERAL_DO,LITERAL_ELSE,LITERAL_FOR,LITERAL_WHILE"/>
        </module>
        <module name="RightCurly"/>

        <!-- Class Design -->
        <module name="DesignForExtension">
            <property name="severity" value="info"/>
        </module>
        <module name="FinalClass"/>
        <module name="HideUtilityClassConstructor"/>
        <module name="InnerTypeLast"/>
        <module name="InterfaceIsType"/>
        <module name="MutableException"/>
        <module name="OneTopLevelClass"/>
        <module name="ThrowsCount">
            <property name="max" value="0"/>
        </module>
        <module name="VisibilityModifier">
            <property name="protectedAllowed" value="true"/>
        </module>

        <!-- Coding -->
        <module name="ArrayTrailingComma"/>
        <module name="AvoidDoubleBraceInitialization"/>
        <module name="AvoidNoArgumentSuperConstructorCall"/>
        <module name="CovariantEquals"/>
        <module name="DeclarationOrder"/>
        <module name="DefaultComesLast"/>
        <module name="EmptyStatement"/>
        <module name="EqualsAvoidNull"/>
        <module name="EqualsHashCode"/>
        <module name="FallThrough">
            <property name="checkLastCaseGroup" value="true"/>
        </module>
        <module name="HiddenField">
            <property name="ignoreConstructorParameter" value="true"/>
            <property name="ignoreSetter" value="true"/>
            <property name="setterCanReturnItsClass" value="true"/>
            <property name="ignoreAbstractMethods" value="true"/>
        </module>
        <module name="IllegalCatch"/>
        <module name="IllegalThrows"/>
        <module name="IllegalToken"/>
        <module name="IllegalType"/>
        <module name="InnerAssignment"/>
        <module name="MagicNumber">
            <property name="ignoreHashCodeMethod" value="true"/>
            <property name="ignoreAnnotationElementDefaults" value="true"/>
        </module>
        <module name="MissingSwitchDefault"/>
        <module name="ModifiedControlVariable"/>
        <module name="MultipleStringLiterals"/>
        <module name="MultipleVariableDeclarations"/>
        <module name="NestedForDepth">
            <property name="severity" value="warning"/>
        </module>
        <module name="NestedIfDepth"/>
        <module name="NestedTryDepth"/>
        <module name="NoClone"/>
        <module name="NoFinalizer"/>
        <module name="OneStatementPerLine"/>
        <module name="PackageDeclaration"/>
        <module name="ParameterAssignment"/>
        <module name="RequireThis"/>
        <module name="ReturnCount"/>
        <module name="SimplifyBooleanExpression"/>
        <module name="SimplifyBooleanReturn"/>
        <module name="StringLiteralEquality"/>
        <module name="SuperClone"/>
        <module name="SuperFinalize"/>
        <module name="UnnecessaryParentheses"/>
        <module name="UnnecessarySemicolonAfterOuterTypeDeclaration"/>
        <module name="UnnecessarySemicolonAfterTypeMemberDeclaration"/>
        <module name="UnnecessarySemicolonInEnumeration"/>
        <module name="UnnecessarySemicolonInTryWithResources"/>
        <module name="UnusedLocalVariable"/>
        <module name="VariableDeclarationUsageDistance">
            <property name="allowedDistance" value="3"/>
            <property name="validateBetweenScopes" value="false"/>
        </module>
        <module name="VariableDeclarationUsageDistance">
            <property name="allowedDistance" value="5"/>
            <property name="validateBetweenScopes" value="true"/>
        </module>

        <!-- Imports -->
        <module name="AvoidStarImport"/>
        <module name="IllegalImport">
            <property name="illegalPkgs" value="sun"/>
        </module>
        <module name="ImportOrder"/>
        <module name="RedundantImport"/>
        <module name="UnusedImports"/>

        <!-- Javadoc Comments -->
        <module name="AtclauseOrder"/>
        <module name="InvalidJavadocPosition"/>
        <module name="JavadocBlockTagLocation"/>
        <module name="JavadocContentLocationCheck"/>
        <module name="JavadocMethod">
            <property name="accessModifiers" value="public, protected, package"/>
            <property name="tokens" value="METHOD_DEF"/>
        </module>
        <module name="JavadocMethod">
            <property name="accessModifiers" value="public"/>
        </module>
        <module name="JavadocMissingLeadingAsterisk"/>
        <module name="JavadocMissingWhitespaceAfterAsterisk"/>
        <module name="JavadocParagraph">
            <property name="allowNewlineParagraph" value="true"/>
        </module>
        <module name="JavadocStyle">
            <property name="scope" value="package"/>
        </module>
        <module name="JavadocTagContinuationIndentation"/>
        <module name="JavadocType"/>
        <module name="JavadocVariable">
            <property name="scope" value="package"/>
        </module>
        <module name="MissingJavadocMethod">
            <property name="scope" value="public"/>
            <property name="allowMissingPropertyJavadoc" value="true"/>
        </module>
        <module name="MissingJavadocMethod">
            <property name="scope" value="protected"/>
            <property name="excludeScope" value="public"/>
            <property name="allowMissingPropertyJavadoc" value="true"/>
            <property name="minLineCount" value="2"/>
        </module>
        <module name="MissingJavadocType"/>
        <module name="NonEmptyAtclauseDescription"/>
        <module name="RequireEmptyLineBeforeBlockTagGroup"/>
        <module name="SingleLineJavadoc"/>
        <module name="SummaryJavadoc"/>
        <module name="WriteTag">
            <property name="tag" value="@author"/>
            <property name="tagFormat" value="\S"/>
            <property name="severity" value="ignore"/>
            <property name="tagSeverity" value="warning"/>
        </module>

        <!-- Metrics -->
        <module name="BooleanExpressionComplexity"/>
        <module name="ClassDataAbstractionCoupling">
            <property name="max" value="7"/>
            <property name="excludedClasses" value="ArrayIndexOutOfBoundsException, ArrayList, Boolean, Byte, Character, Class, Collection, Deprecated, Deque, Double, DoubleStream, EnumSet, Exception, Float, FunctionalInterface, HashMap, HashSet, IllegalArgumentException, IllegalStateException, IndexOutOfBoundsException, IntStream, Integer, LinkedHashMap, LinkedHashSet, LinkedList, List, Long, LongStream, Map, NullPointerException, Object, Optional, OptionalDouble, OptionalInt, OptionalLong, Override, Queue, RuntimeException, SafeVarargs, SecurityException, Set, Short, SortedMap, SortedSet, Stream, String, StringBuffer, StringBuilder, SuppressWarnings, Throwable, TreeMap, TreeSet, UnsupportedOperationException, Void, boolean, byte, char, double, float, int, long, short, var, void"/>
        </module>
        <module name="ClassFanOutComplexity">
            <property name="max" value="20"/>
            <property name="excludedClasses" value="ArrayIndexOutOfBoundsException, ArrayList, Boolean, Byte, Character, Class, Collection, Deprecated, Deque, Double, DoubleStream, EnumSet, Exception, Float, FunctionalInterface, HashMap, HashSet, IllegalArgumentException, IllegalStateException, IndexOutOfBoundsException, IntStream, Integer, LinkedHashMap, LinkedHashSet, LinkedList, List, Long, LongStream, Map, NullPointerException, Object, Optional, OptionalDouble, OptionalInt, OptionalLong, Override, Queue, RuntimeException, SafeVarargs, SecurityException, Set, Short, SortedMap, SortedSet, Stream, String, StringBuffer, StringBuilder, SuppressWarnings, Throwable, TreeMap, TreeSet, UnsupportedOperationException, Void, boolean, byte, char, double, float, int, long, short, var, void"/>
        </module>
        <module name="CyclomaticComplexity">
            <property name="max" value="7"/>
            <property name="severity" value="warning"/>
        </module>
        <module name="JavaNCSS">
            <property name="methodMaximum" value="50"/>
            <property name="classMaximum" value="1500"/>
            <property name="fileMaximum" value="2000"/>
            <property name="recordMaximum" value="150"/>
        </module>
        <module name="NPathComplexity">
            <property name="max" value="200"/>
        </module>

        <!-- Miscellaneous -->
        <module name="ArrayTypeStyle"/>
        <module name="AvoidEscapedUnicodeCharacters">
            <property name="allowNonPrintableEscapes" value="true"/>
        </module>
        <module name="CommentsIndentation"/>
        <module name="Indentation">
            <property name="basicOffset" value="4"/>
            <property name="braceAdjustment" value="0"/>
            <property name="caseIndent" value="4"/>
            <property name="throwsIndent" value="4"/>
            <property name="arrayInitIndent" value="4"/>
            <property name="lineWrappingIndentation" value="4"/>
            <property name="forceStrictCondition" value="true"/>
        </module>
        <module name="NoCodeInFile"/>
        <module name="OuterTypeFilename"/>
        <module name="TodoComment">
            <property name="format" value="TODO"/>
            <property name="severity" value="warning"/>
        </module>
        <module name="TrailingComment"/>
        <module name="UncommentedMain"/>
        <module name="UpperEll"/>

        <!-- Modifiers -->
        <module name="ModifierOrder"/>
        <module name="RedundantModifier"/>

        <!-- Naming Conventions -->
        <module name="AbbreviationAsWordInName">
            <property name="ignoreFinal" value="false"/>
            <property name="allowedAbbreviations" value="MV"/>
        </module>
        <module name="AbstractClassName"/>
        <module name="CatchParameterName"/>
        <module name="ClassTypeParameterName">
            <property name="format" value="^[A-Z]{1,3}$"/>
        </module>
        <module name="ConstantName"/>
        <module name="IllegalIdentifierName"/>
        <module name="InterfaceTypeParameterName">
            <property name="format" value="^[A-Z]{1,3}$"/>
        </module>
        <module name="LambdaParameterName"/>
        <module name="LocalFinalVariableName"/>
        <module name="LocalVariableName"/>
        <module name="MemberName"/>
        <module name="MethodName"/>
        <module name="MethodTypeParameterName">
            <property name="format" value="^[A-Z]{1,3}$"/>
        </module>
        <module name="PackageName"/>
        <module name="ParameterName"/>
        <module name="PatternVariableName"/>
        <module name="RecordComponentName"/>
        <module name="RecordTypeParameterName">
            <property name="format" value="^[A-Z]{1,3}$"/>
        </module>
        <module name="StaticVariableName"/>
        <module name="TypeName"/>

        <!-- Size Violations -->
        <module name="AnonInnerLength">
            <property name="max" value="20"/>
        </module>
        <module name="ExecutableStatementCount">
            <property name="max" value="30"/>
        </module>
        <module name="LambdaBodyLength">
            <property name="max" value="10"/>
        </module>
        <module name="MethodCount">
            <property name="maxTotal" value="100"/>
            <property name="maxPrivate" value="100"/>
            <property name="maxPackage" value="100"/>
            <property name="maxProtected" value="100"/>
            <property name="maxPublic" value="100"/>
        </module>
        <module name="MethodLength">
            <property name="max" value="50"/>
            <property name="severity" value="warning"/>
        </module>
        <module name="OuterTypeNumber">
            <property name="max" value="1"/>
        </module>
        <module name="ParameterNumber">
            <property name="max" value="3"/>
            <property name="ignoreOverriddenMethods" value="true"/>
            <property name="severity" value="warning"/>
        </module>
        <module name="RecordComponentNumber">
            <property name="max" value="8"/>
        </module>

        <!-- Whitespace -->
        <module name="EmptyForInitializerPad"/>
        <module name="EmptyForIteratorPad"/>
        <module name="EmptyLineSeparator">
            <property name="allowNoEmptyLineBetweenFields" value="true"/>
            <property name="allowMultipleEmptyLines" value="false"/>
            <property name="allowMultipleEmptyLinesInsideClassMembers" value="false"/>
        </module>
        <module name="GenericWhitespace"/>
        <module name="MethodParamPad"/>
        <module name="NoLineWrap"/>
        <module name="NoWhitespaceAfter">
            <property name="tokens" value="AT,INC,DEC,UNARY_MINUS,UNARY_PLUS,BNOT,LNOT,DOT,ARRAY_DECLARATOR,INDEX_OP,LITERAL_SYNCHRONIZED,METHOD_REF"/>
        </module>
        <module name="NoWhitespaceBefore">
            <property name="tokens" value="COMMA,SEMI,POST_INC,POST_DEC,DOT,GENERIC_START,GENERIC_END,ELLIPSIS,LABELED_STAT,METHOD_REF"/>
        </module>
        <module name="NoWhitespaceBeforeCaseDefaultColon"/>
        <module name="OperatorWrap">
            <property name="tokens" value="QUESTION,COLON,EQUAL,NOT_EQUAL,DIV,PLUS,MINUS,STAR,MOD,SR,BSR,GE,GT,SL,LE,LT,BXOR,BOR,LOR,BAND,LAND,LITERAL_INSTANCEOF,TYPE_EXTENSION_AND,ASSIGN,DIV_ASSIGN,PLUS_ASSIGN,MINUS_ASSIGN,STAR_ASSIGN,MOD_ASSIGN,SR_ASSIGN,BSR_ASSIGN,SL_ASSIGN,BXOR_ASSIGN,BOR_ASSIGN,BAND_ASSIGN,METHOD_REF"/>
        </module>
        <module name="ParenPad"/>
        <module name="SeparatorWrap">
            <property name="option" value="nl"/>
            <property name="tokens" value="DOT,AT,RPAREN,METHOD_REF"/>
        </module>
        <module name="SeparatorWrap">
            <property name="option" value="eol"/>
            <property name="tokens" value="COMMA,SEMI,ELLIPSIS,LPAREN,ARRAY_DECLARATOR,RBRACK"/>
        </module>
        <module name="SingleSpaceSeparator"/>
        <module name="TypecastParenPad"/>
        <module name="WhitespaceAfter"/>
        <module name="WhitespaceAround"/>
    </module>
</module>