<!DOCTYPE module PUBLIC

"-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"

"https://checkstyle.org/dtds/configuration_1_3.dtd">

<module name = "Checker">

<property name="charset" value="UTF-8"/>

<property name="severity" value="warning"/>

<property name="fileExtensions" value="java, properties, xml"/>

<!-- Arrow specific modules -->

<module name="Header">

<property name="headerFile" value="${checkstyle.header.file}"/>

</module>

<module name="SuppressionFilter">

<property name="file" value="${checkstyle.suppressions.file}"/>

</module>

<module name="NewlineAtEndOfFile">

<property name="lineSeparator" value="lf" />

</module>

<!-- Google style modules -->

<!-- Checks for whitespace -->

<!-- See http://checkstyle.sf.net/config_whitespace.html -->

<module name="FileTabCharacter">

<property name="eachLine" value="true"/>

</module>

<module name="TreeWalker">

<module name="OuterTypeFilename"/>

<module name="IllegalTokenText">

<property name="tokens" value="STRING_LITERAL, CHAR_LITERAL"/>

<property name="format" value="\\u00(08|09|0(a|A)|0(c|C)|0(d|D)|22|27|5(C|c))|\\(0(10|11|12|14|15|42|47)|134)"/>

<property name="message" value="Avoid using corresponding octal or Unicode escape."/>

</module>

<module name="AvoidEscapedUnicodeCharacters">

<property name="allowEscapesForControlCharacters" value="true"/>

<property name="allowByTailComment" value="true"/>

<property name="allowNonPrintableEscapes" value="true"/>

</module>

<module name="OneTopLevelClass"/>

<module name="NoLineWrap"/>

<module name="EmptyBlock">

<property name="option" value="TEXT"/>

<property name="tokens" value="LITERAL_TRY, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_SWITCH"/>

</module>

<module name="NeedBraces"/>

<module name="WhitespaceAfter">

<property name="tokens" value="COMMA, SEMI, TYPECAST"/>

</module>

<module name="OneStatementPerLine"/>

<module name="MultipleVariableDeclarations"/>

<module name="ArrayTypeStyle"/>

<module name="MissingSwitchDefault"/>

<module name="FallThrough"/>

<module name="UpperEll"/>

<module name="ModifierOrder"/>

<module name="SeparatorWrap">

<property name="tokens" value="DOT"/>

<property name="option" value="nl"/>

</module>

<module name="SeparatorWrap">

<property name="tokens" value="COMMA"/>

<property name="option" value="EOL"/>

</module>

<module name="PackageName">

<property name="format" value="^[a-z]+(\.[a-z][a-z0-9]*)*$"/>

<message key="name.invalidPattern"

value="Package name ''{0}'' must match pattern ''{1}''."/>

</module>

<module name="TypeName">

<message key="name.invalidPattern"

value="Type name ''{0}'' must match pattern ''{1}''."/>

</module>

<module name="MemberName">

<property name="format" value="^[a-z][a-zA-Z0-9]*|[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$"/>

<message key="name.invalidPattern"

value="Member name ''{0}'' must match pattern ''{1}''."/>

</module>

<module name="ParameterName">

<property name="format" value="^[a-z][a-zA-Z0-9]*$"/>

<message key="name.invalidPattern"

value="Parameter name ''{0}'' must match pattern ''{1}''."/>

</module>

<module name="CatchParameterName">

<property name="format" value="^(e|t|ex|[a-z]e|[a-z][a-z][a-zA-Z]+)$"/>

<message key="name.invalidPattern"

value="Catch parameter name ''{0}'' must match pattern ''{1}''."/>

</module>

<module name="LocalVariableName">

<property name="tokens" value="VARIABLE_DEF"/>

<property name="format" value="^[a-z][a-zA-Z0-9]*$"/>

<property name="allowOneCharVarInForLoop" value="true"/>

<message key="name.invalidPattern"

value="Local variable name ''{0}'' must match pattern ''{1}''."/>

</module>

<module name="ClassTypeParameterName">

<property name="format" value="(^[A-Z]+[0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>

<message key="name.invalidPattern"

value="Class type name ''{0}'' must match pattern ''{1}''."/>

</module>

<module name="MethodTypeParameterName">

<property name="format" value="(^[A-Z]+[0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>

<message key="name.invalidPattern"

value="Method type name ''{0}'' must match pattern ''{1}''."/>

</module>

<module name="InterfaceTypeParameterName">

<property name="format" value="(^[A-Z]+[0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>

<message key="name.invalidPattern"

value="Interface type name ''{0}'' must match pattern ''{1}''."/>

</module>

<module name="NoFinalizer"/>

<module name="GenericWhitespace">

<message key="ws.followed"

value="GenericWhitespace ''{0}'' is followed by whitespace."/>

<message key="ws.preceded"

value="GenericWhitespace ''{0}'' is preceded with whitespace."/>

<message key="ws.illegalFollow"

value="GenericWhitespace ''{0}'' should followed by whitespace."/>

<message key="ws.notPreceded"

value="GenericWhitespace ''{0}'' is not preceded with whitespace."/>

</module>

<module name="OverloadMethodsDeclarationOrder"/>

<module name="VariableDeclarationUsageDistance"/>

<module name="AvoidStarImport">

<property name="allowStaticMemberImports" value="true"/>

</module>

<module name="SingleSpaceSeparator">

<property name="validateComments" value="true"/>

</module>

<module name="MethodParamPad"/>

<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="NonEmptyAtclauseDescription"/>

<module name="JavadocTagContinuationIndentation"/>

<module name="SummaryJavadoc">

<property name="forbiddenSummaryFragments" value="^@return the *|^This method returns |^A [{]@code [a-zA-Z0-9]+[}]( is a )"/>

</module>

<module name="AtclauseOrder">

<property name="tagOrder" value="@param, @return, @throws, @deprecated"/>

<property name="target" value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF, VARIABLE_DEF"/>

</module>

<module name="JavadocMethod">

<property name="accessModifiers" value="public"/>

<property name="allowMissingParamTags" value="true"/>

<property name="allowMissingReturnTag" value="true"/>

<property name="allowedAnnotations" value="Override, Test"/>

</module>

<module name="MissingJavadocMethod">

<property name="scope" value="public"/>

<property name="minLineCount" value="2"/>

<property name="ignoreMethodNamesRegex" value="main"/>

</module>

<module name="JavadocType">

<property name="scope" value="public"/>

</module>

<module name="JavadocType">

<property name="scope" value="protected"/>

</module>

<module name="JavadocType">

<property name="scope" value="package"/>

</module>

<module name="MethodName">

<property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9_]*$"/>

<message key="name.invalidPattern"

value="Method name ''{0}'' must match pattern ''{1}''."/>

</module>

<module name="EmptyCatchBlock">

<property name="exceptionVariableName" value="expected|ignore"/>

</module>

<module name="CommentsIndentation"/>

<module name="UnusedImports">

<property name="severity" value="error"/>

<property name="processJavadoc" value="true"/>

<message key="import.unused"

value="Unused import: {0}."/>

</module>

<module name="RedundantModifier">

<!-- Checks for redundant modifiers on various symbol definitions -->

<property name="tokens" value="VARIABLE_DEF, ANNOTATION_FIELD_DEF, INTERFACE_DEF, CLASS_DEF, ENUM_DEF, METHOD_DEF"/>

</module>

<!--

<module name="SuppressionCommentFilter">

<property name="offCommentFormat" value="checkstyle:off: ([\w\|]+)"/>

<property name="onCommentFormat" value="checkstyle:on: ([\w\|]+)"/>

<property name="checkFormat" value="$1"/>

</module>

</module>

</module>