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checkstyle.xml
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checkstyle.xml
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<?xml version="1.0"?>
<!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"/>
<module name="BeforeExecutionExclusionFileFilter">
<!-- we don't impose syntax on external code -->
<property name="fileNamePattern" value="repackaged[/\\].*\.java$"/>
</module>
<module name="BeforeExecutionExclusionFileFilter">
<!-- we skip module-info.java files -->
<property name="fileNamePattern" value="module\-info\.java$"/>
</module>
<module name="FileTabCharacter">
<property name="eachLine" value="true"/>
</module>
<module name="SuppressionFilter">
<property name="file" value="checkstyle-suppressions.xml"/>
<property name="optional" value="false"/>
</module>
<module name="Header">
<property name="headerFile" value="checkstyle-copyright.txt"/>
<property name="fileExtensions" value="java"/>
</module>
<module name="LineLength">
<property name="fileExtensions" value="java"/>
<property name="max" value="120"/>
<property name="ignorePattern" value="^package.*|^import.*|<td>|a href|href|http://|https://|ftp://"/>
</module>
<module name="SuppressWithPlainTextCommentFilter"/>
<module name="TreeWalker">
<module name="SuppressionCommentFilter"/>
<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="AvoidStarImport"/>
<module name="OneTopLevelClass">
<property name="id" value="one-top-level-restriction"/>
</module>
<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="LeftCurly"/>
<module name="RightCurly"/>
<module name="RightCurly">
<property name="option" value="alone"/>
<property name="tokens"
value="CLASS_DEF, METHOD_DEF, CTOR_DEF, LITERAL_FOR, LITERAL_WHILE, LITERAL_DO, STATIC_INIT, INSTANCE_INIT"/>
</module>
<module name="WhitespaceAround">
<property name="allowEmptyConstructors" value="true"/>
<property name="allowEmptyMethods" value="true"/>
<property name="allowEmptyTypes" value="true"/>
<property name="allowEmptyLoops" value="true"/>
<message key="ws.notFollowed"
value="WhitespaceAround: ''{0}'' is not followed by whitespace. Empty blocks may only be represented as '{}' when not part of a multi-block statement (4.1.3)"/>
<message key="ws.notPreceded"
value="WhitespaceAround: ''{0}'' is not preceded with whitespace."/>
</module>
<module name="OneStatementPerLine"/>
<module name="MultipleVariableDeclarations"/>
<module name="ArrayTypeStyle"/>
<module name="MissingSwitchDefault"/>
<module name="FallThrough"/>
<module name="UpperEll"/>
<module name="ModifierOrder"/>
<module name="EmptyLineSeparator">
<property name="allowNoEmptyLineBetweenFields" value="true"/>
</module>
<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]*)*$"/>
<message key="name.invalidPattern"
value="Package name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="TypeName">
<message key="name.invalidPattern"
value="Type name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="ClassTypeParameterName">
<property name="format" value="(^[A-Z][0-9]?)$|([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="Indentation">
<property name="basicOffset" value="4"/>
<property name="braceAdjustment" value="0"/>
<property name="caseIndent" value="4"/>
<property name="throwsIndent" value="4"/>
<property name="lineWrappingIndentation" value="4"/>
<property name="arrayInitIndent" value="2"/>
</module>
<module name="OverloadMethodsDeclarationOrder"/>
<module name="VariableDeclarationUsageDistance"/>
<module name="CustomImportOrder">
<property name="specialImportsRegExp" value="com.google"/>
<property name="sortImportsInGroupAlphabetically" value="false"/>
<property name="customImportOrderRules"
value="SPECIAL_IMPORTS###THIRD_PARTY_PACKAGE###STANDARD_JAVA_PACKAGE###STATIC"/>
</module>
<module name="MethodParamPad"/>
<module name="OperatorWrap">
<property name="option" value="NL"/>
<property name="tokens"
value="BAND, BOR, BSR, BXOR, DIV, EQUAL, GE, GT, LE, LITERAL_INSTANCEOF, LT, MINUS, MOD, NOT_EQUAL, PLUS, QUESTION, SL, SR, STAR "/>
</module>
<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>
<!-- JAVADOCS -->
<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="scope" value="public"/>
<property name="allowMissingParamTags" value="true"/>
<property name="allowMissingReturnTag" value="true"/>
<property name="allowedAnnotations" value="Override, Test"/>
</module>
<!--module name="MissingJavadocMethod"/>-->
<!--<module name="JavadocParagraph"/>-->
<module name="JavadocStyle">
<property name="scope" value="public"/>
<property name="checkFirstSentence" value="false"/>
<property name="endOfSentenceFormat" value="."/>
</module>
<module name="JavadocTagContinuationIndentation"/>
<module name="NonEmptyAtclauseDescription">
<!-- we don't allow empty At-Clause for all except for @deprecated -->
<property name="javadocTokens" value="PARAM_LITERAL,RETURN_LITERAL,THROWS_LITERAL,EXCEPTION_LITERAL"/>
</module>
<module name="SingleLineJavadoc">
<property name="ignoreInlineTags" value="false"/>
</module>
<!--<module name="SummaryJavadoc">-->
<!--<property name="forbiddenSummaryFragments"-->
<!--value="^@return the *|^This method returns |^A [{]@code [a-zA-Z0-9]+[}]( is a )"/>-->
<!--</module>-->
<module name="EmptyCatchBlock">
<property name="exceptionVariableName" value="expected"/>
</module>
<module name="CommentsIndentation"/>
</module>
</module>