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checkstyle.xml
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checkstyle.xml
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<?xml version="1.0"?>
<!--
Copyright 2023 Goldman Sachs
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
http://www.apache.org/licenses/LICENSE-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 OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
-->
<!DOCTYPE module PUBLIC
"-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
"https://checkstyle.org/dtds/configuration_1_3.dtd">
<!-- NOTE: this checkstyle definition has been adapted from Google checkstyle -->
<!-- See https://github.com/checkstyle/checkstyle/blob/master/src/main/resources/google_checks.xml -->
<module name="Checker">
<property name="charset" value="UTF-8"/>
<property name="severity" value="warning"/>
<property name="fileExtensions" value="java, properties, xml, pure"/>
<!-- Check for copyright header -->
<module name="RegexpMultiline">
<property name="minimum" value="1"/>
<property name="maximum" value="2"/>
<property name="message" value="File does not contain a valid Copyright header."/>
<property name="format" value=".* Copyright .*|\n.*www.apache.org/licenses/LICENSE-2.0"/>
</module>
<!-- 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(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="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="LeftCurly">
<property name="option" value="nl"/>
</module>
<module name="RightCurly">
<property name="option" value="alone"/>
<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"/>
</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="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]*)*$"/>-->
<property name="format" value="^[a-zA-Z]+(\.[_a-z][_a-zA-Z0-9]*)*$"/>
<message key="name.invalidPattern"
value="Package name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="TypeName">
<property name="format" value="^[a-zA-Z][_a-zA-Z0-9]*$"/>
<message key="name.invalidPattern"
value="Type name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="MemberName">
<!-- <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/>-->
<property name="format" value="^[_a-zA-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-zA-Z][_a-zA-Z0-9]*?$"/>
<message key="name.invalidPattern"
value="Parameter name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="MethodName">
<!-- <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9_]*$"/>-->
<property name="format" value="^[a-zA-Z][a-zA-Z0-9_$]*$"/>
<message key="name.invalidPattern" value="Method name ''{0}'' must match pattern ''{1}''."/>
</module>
<module name="LambdaParameterName">
<!-- <property name="format" value="^[a-z]([a-z0-9][a-zA-Z0-9]*)?$"/>-->
<property name="format" value="^[_a-zA-Z][_a-zA-Z0-9]*?$"/>
<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]*)?$"/>-->
<property name="format" value="^[_a-zA-Z][_a-zA-Z0-9]*?$"/>
<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-z0-9][a-zA-Z0-9]*)?$"/>-->
<property name="format" value="^[_a-zA-Z][_a-zA-Z0-9]*?$"/>
<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]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>-->
<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]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>-->
<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]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/>-->
<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="CustomImportOrder">
<property name="separateLineBetweenGroups" value="true"/>
</module>
<module name="MethodParamPad"/>
<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"/>
<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"/>-->
<!-- <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="JavadocParagraph"/>-->
<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="SingleLineJavadoc">
<property name="ignoreInlineTags" value="false"/>
</module>
<module name="EmptyCatchBlock">
<property name="exceptionVariableName" value="expected|ignored"/>
</module>
<!-- <module name="CommentsIndentation"/>-->
</module>
</module>