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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">
<!--
Tencent is pleased to support the open source community by making
Firestorm-Spark remote shuffle server available.
Copyright (C) 2021 THL A29 Limited, a Tencent company. All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License"); you may not use
this file except in compliance with the License. You may obtain a copy of the
License at
https://opensource.org/licenses/Apache-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
WARRANTIES OF ANY KIND, either express or implied. See the License for the
specific language governing permissions and limitations under the License.
-->
<module name = "Checker">
<property name="charset" value="UTF-8"/>
<property name="severity" value="warning"/>
<property name="fileExtensions" value="java, properties, xml"/>
<!-- Excludes all 'module-info.java' files -->
<!-- See https://checkstyle.org/config_filefilters.html -->
<module name="BeforeExecutionExclusionFileFilter">
<property name="fileNamePattern" value="module\-info\.java$"/>
</module>
<!-- https://checkstyle.org/config_filters.html#SuppressionFilter -->
<module name="SuppressionFilter">
<property name="file" value="${org.checkstyle.google.suppressionfilter.config}"
default="checkstyle-suppressions.xml" />
<property name="optional" value="true"/>
</module>
<!-- new add -->
<module name="SuppressWarningsFilter" />
<!-- Checks for whitespace -->
<!-- See http://checkstyle.org/config_whitespace.html -->
<module name="FileTabCharacter">
<property name="eachLine" value="true"/>
</module>
<module name="NewlineAtEndOfFile"/>
<module name="LineLength">
<property name="fileExtensions" value="java"/>
<property name="max" value="120"/>
<property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
</module>
<!-- new add -->
<module name="FileLength">
<property name="max" value="2000"/>
</module>
<module name="TreeWalker">
<!-- new add -->
<module name="SuppressWarningsHolder" />
<!-- new add -->
<module name="SuppressionCommentFilter"/>
<module name="OuterTypeFilename"/>
<module name="IllegalTokenText">
<property name="tokens" value="STRING_LITERAL, CHAR_LITERAL"/>
<property name="format"
value="\\u00(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="Consider using special escape sequence instead of octal value or Unicode escaped value."/>
</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"/>
<module name="NoLineWrap">
<property name="tokens" value="PACKAGE_DEF, IMPORT, STATIC_IMPORT"/>
</module>
<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">
<property name="tokens"
value="LITERAL_DO, LITERAL_ELSE, LITERAL_FOR, LITERAL_IF, LITERAL_WHILE"/>
</module>
<module name="LeftCurly">
<property name="tokens"
value="ANNOTATION_DEF, CLASS_DEF, CTOR_DEF, ENUM_CONSTANT_DEF, ENUM_DEF,
INTERFACE_DEF, LAMBDA, LITERAL_CASE, LITERAL_CATCH, LITERAL_DEFAULT,
LITERAL_DO, LITERAL_ELSE, LITERAL_FINALLY, LITERAL_FOR, LITERAL_IF,
LITERAL_SWITCH, LITERAL_SYNCHRONIZED, LITERAL_TRY, LITERAL_WHILE, METHOD_DEF,
OBJBLOCK, STATIC_INIT"/>
</module>
<module name="RightCurly">
<property name="id" value="RightCurlySame"/>
<property name="tokens"
value="LITERAL_TRY, LITERAL_CATCH, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE,
LITERAL_DO"/>
</module>
<module name="RightCurly">
<property name="id" value="RightCurlyAlone"/>
<property name="option" value="alone"/>
<property name="tokens"
value="CLASS_DEF, METHOD_DEF, CTOR_DEF, LITERAL_FOR, LITERAL_WHILE, STATIC_INIT,
INSTANCE_INIT, ANNOTATION_DEF, ENUM_DEF"/>
</module>
<module name="WhitespaceAround">
<property name="allowEmptyConstructors" value="true"/>
<property name="allowEmptyLambdas" value="true"/>
<property name="allowEmptyMethods" value="true"/>
<property name="allowEmptyTypes" value="true"/>
<property name="allowEmptyLoops" value="true"/>
<property name="tokens"
value="ASSIGN, BAND, BAND_ASSIGN, BOR, BOR_ASSIGN, BSR, BSR_ASSIGN, BXOR,
BXOR_ASSIGN, COLON, DIV, DIV_ASSIGN, DO_WHILE, EQUAL, GE, GT, LAMBDA, LAND,
LCURLY, LE, LITERAL_CATCH, LITERAL_DO, LITERAL_ELSE, LITERAL_FINALLY,
LITERAL_FOR, LITERAL_IF, LITERAL_RETURN, LITERAL_SWITCH, LITERAL_SYNCHRONIZED,
LITERAL_TRY, LITERAL_WHILE, LOR, LT, MINUS, MINUS_ASSIGN, MOD, MOD_ASSIGN,
NOT_EQUAL, PLUS, PLUS_ASSIGN, QUESTION, RCURLY, SL, SLIST, SL_ASSIGN, SR,
SR_ASSIGN, STAR, STAR_ASSIGN, LITERAL_ASSERT, TYPE_EXTENSION_AND"/>
<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="tokens"
value="PACKAGE_DEF, IMPORT, STATIC_IMPORT, CLASS_DEF, INTERFACE_DEF, ENUM_DEF,
STATIC_INIT, INSTANCE_INIT, METHOD_DEF, CTOR_DEF, VARIABLE_DEF"/>
<property name="allowNoEmptyLineBetweenFields" value="true"/>
</module>
<module name="SeparatorWrap">
<property name="id" value="SeparatorWrapDot"/>
<property name="tokens" value="DOT"/>
<property name="option" value="nl"/>
</module>
<module name="SeparatorWrap">
<property name="id" value="SeparatorWrapComma"/>
<property name="tokens" value="COMMA"/>
<property name="option" value="EOL"/>
</module>
<module name="SeparatorWrap">
<!-- ELLIPSIS is EOL until https://github.com/google/styleguide/issues/258 -->
<property name="id" value="SeparatorWrapEllipsis"/>
<property name="tokens" value="ELLIPSIS"/>
<property name="option" value="EOL"/>
</module>
<module name="SeparatorWrap">
<!-- ARRAY_DECLARATOR is EOL until https://github.com/google/styleguide/issues/259 -->
<property name="id" value="SeparatorWrapArrayDeclarator"/>
<property name="tokens" value="ARRAY_DECLARATOR"/>
<property name="option" value="EOL"/>
</module>
<module name="SeparatorWrap">
<property name="id" value="SeparatorWrapMethodRef"/>
<property name="tokens" value="METHOD_REF"/>
<property name="option" value="nl"/>
</module>
<module name="PackageName">
<property name="format" value="^[a-z]+(\.[a-z][a-z0-9]*)*$"/>
<message key="name.invalidPattern"
value="Package name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="TypeName">
<property name="tokens" value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, ANNOTATION_DEF"/>
<message key="name.invalidPattern"
value="Type name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="MemberName">
<!--
<property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>
-->
<property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
<message key="name.invalidPattern"
value="Member name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="ParameterName">
<!--
<property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>
-->
<property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
<message key="name.invalidPattern"
value="Parameter name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="LambdaParameterName">
<!--
<property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>
-->
<property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
<message key="name.invalidPattern"
value="Lambda parameter name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="CatchParameterName">
<!--
<property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>
-->
<property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
<message key="name.invalidPattern"
value="Catch parameter name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="LocalVariableName">
<!--
<property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>
-->
<property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
<message key="name.invalidPattern"
value="Local variable name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="ClassTypeParameterName">
<!-- new add -->
<!--
<property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>
-->
<property name="format" value="^[A-Z][a-zA-Z0-9]*$"/>
<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">
<!-- new add -->
<!--
<property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>
-->
<property name="format" value="^[A-Z][a-zA-Z0-9]*$"/>
<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="4"/>
-->
<!-- new add 由于checkstyle 未修复部分缩进场景有问题选择先屏蔽规则
https://github.com/checkstyle/checkstyle/issues/3342
-->
<property name="severity" value="ignore"/>
<property name="basicOffset" value="4"/>
<property name="braceAdjustment" value="0"/>
<property name="caseIndent" value="4"/>
<property name="throwsIndent" value="8"/>
<property name="lineWrappingIndentation" value="8"/>
<property name="arrayInitIndent" value="4"/>
</module>
<module name="AbbreviationAsWordInName">
<!-- new add -->
<property name="severity" value="ignore"/>
<property name="ignoreFinal" value="false"/>
<property name="allowedAbbreviationLength" value="1"/>
<property name="tokens"
value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, ANNOTATION_DEF, ANNOTATION_FIELD_DEF,
PARAMETER_DEF, VARIABLE_DEF, METHOD_DEF"/>
</module>
<!--
<module name="DeclarationOrder">
-->
<module name="OverloadMethodsDeclarationOrder"/>
<module name="VariableDeclarationUsageDistance"/>
<module name="CustomImportOrder">
<!-- new add -->
<property name="severity" value="WARNING"/>
<property name="sortImportsInGroupAlphabetically" value="true"/>
<property name="specialImportsRegExp" value="^com\.tencent\."/>
<property name="standardPackageRegExp" value="^java\.|^javax\."/>
<property name="separateLineBetweenGroups" value="true"/>
<property name="customImportOrderRules" value="STANDARD_JAVA_PACKAGE###THIRD_PARTY_PACKAGE###SPECIAL_IMPORTS###STATIC"/>
<property name="tokens" value="IMPORT, STATIC_IMPORT, PACKAGE_DEF"/>
</module>
<module name="MethodParamPad">
<property name="tokens"
value="CTOR_DEF, LITERAL_NEW, METHOD_CALL, METHOD_DEF,
SUPER_CTOR_CALL, ENUM_CONSTANT_DEF"/>
</module>
<module name="NoWhitespaceBefore">
<property name="tokens"
value="COMMA, SEMI, POST_INC, POST_DEC, DOT, ELLIPSIS, METHOD_REF"/>
<property name="allowLineBreaks" value="true"/>
</module>
<module name="ParenPad">
<property name="tokens"
value="ANNOTATION, ANNOTATION_FIELD_DEF, CTOR_CALL, CTOR_DEF, DOT, ENUM_CONSTANT_DEF,
EXPR, LITERAL_CATCH, LITERAL_DO, LITERAL_FOR, LITERAL_IF, LITERAL_NEW,
LITERAL_SWITCH, LITERAL_SYNCHRONIZED, LITERAL_WHILE, METHOD_CALL,
METHOD_DEF, QUESTION, RESOURCE_SPECIFICATION, SUPER_CTOR_CALL, LAMBDA"/>
</module>
<module name="OperatorWrap">
<property name="option" value="NL"/>
<property name="tokens"
value="BAND, BOR, BSR, BXOR, DIV, EQUAL, GE, GT, LAND, LE, LITERAL_INSTANCEOF, LOR,
LT, MINUS, MOD, NOT_EQUAL, PLUS, QUESTION, SL, SR, STAR, METHOD_REF "/>
</module>
<module name="AnnotationLocation">
<property name="id" value="AnnotationLocationMostCases"/>
<property name="tokens"
value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF"/>
</module>
<module name="AnnotationLocation">
<property name="id" value="AnnotationLocationVariables"/>
<property name="tokens" value="VARIABLE_DEF"/>
<property name="allowSamelineMultipleAnnotations" value="true"/>
</module>
<module name="NonEmptyAtclauseDescription">
<!-- new add -->
<property name="severity" value="ignore"/>
</module>
<module name="InvalidJavadocPosition">
<property name="severity" value="info"/>
</module>
<!-- new add
<module name="JavadocTagContinuationIndentation"/>
-->
<module name="SummaryJavadoc">
<property name="severity" value="info"/>
<property name="forbiddenSummaryFragments"
value="^@return the *|^This method returns |^A [{]@code [a-zA-Z0-9]+[}]( is a )"/>
<!--
<property name="period" value="."/>
-->
<property name="period" value=""/>
</module>
<!-- new add
<module name="JavadocParagraph" />
-->
<!-- new add
<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="severity" value="info"/>
<property name="accessModifiers" value="public"/>
<property name="allowMissingParamTags" value="true"/>
<property name="allowMissingReturnTag" value="true"/>
<property name="allowedAnnotations" value="Override, Test"/>
<property name="tokens" value="METHOD_DEF, CTOR_DEF, ANNOTATION_FIELD_DEF"/>
</module>
<module name="MissingJavadocMethod">
<property name="severity" value="info"/>
<property name="scope" value="public"/>
<!--
<property name="minLineCount" value="2"/>
-->
<property name="minLineCount" value="15"/>
<property name="allowedAnnotations" value="Override, Test"/>
<property name="tokens" value="METHOD_DEF, CTOR_DEF, ANNOTATION_FIELD_DEF"/>
</module>
<module name="MethodName">
<!--
<property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9_]*$"/>
-->
<property name="format" value="^[a-z][a-zA-Z0-9_]*$"/>
<message key="name.invalidPattern"
value="Method name ''{0}'' must match pattern ''{1}''."/>
</module>
<!-- new add -->
<module name="ConstantName">
<property name="applyToProtected" value="false"/>
<property name="applyToPackage" value="false"/>
<property name="applyToPrivate" value="false"/>
</module>
<module name="SingleLineJavadoc">
<property name="severity" value="info"/>
<property name="violateExecutionOnNonTightHtml" value="true"/>
<property name="ignoreInlineTags" value="true"/>
</module>
<module name="EmptyCatchBlock">
<property name="exceptionVariableName" value="expected"/>
</module>
<module name="CommentsIndentation">
<!--
<property name="tokens" value="SINGLE_LINE_COMMENT, BLOCK_COMMENT_BEGIN"/>
-->
<property name="tokens" value="BLOCK_COMMENT_BEGIN"/>
</module>
<!-- https://checkstyle.org/config_filters.html#SuppressionXpathFilter -->
<module name="SuppressionXpathFilter">
<property name="file" value="${org.checkstyle.google.suppressionxpathfilter.config}"
default="checkstyle-xpath-suppressions.xml" />
<property name="optional" value="true"/>
</module>
<module name="ModifierOrder"/>
<module name="CommentsIndentation"/>
<module name="UnusedImports"/>
<module name="RedundantImport"/>
<module name="RedundantModifier"/>
</module>
</module>