Essentials/.checkstyle/checkstyle.xml

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<?xml version="1.0" encoding="utf-8" ?>
<!DOCTYPE module PUBLIC "-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
"https://checkstyle.org/dtds/configuration_1_3.dtd">
<!-- based on https://github.com/KyoriPowered/adventure/blob/master/.checkstyle/checkstyle.xml -->
<module name="Checker">
<property name="charset" value="UTF-8"/>
<property name="fileExtensions" value="java, properties, xml"/>
<property name="severity" value="error"/>
<!-- https://checkstyle.org/config_filefilters.html#BeforeExecutionExclusionFileFilter -->
<module name="BeforeExecutionExclusionFileFilter">
<property name="fileNamePattern" value="module\-info\.java$"/>
</module>
<!-- https://checkstyle.org/config_whitespace.html#FileTabCharacter -->
<module name="FileTabCharacter">
<property name="eachLine" value="true"/>
</module>
<!-- https://checkstyle.org/config_misc.html#NewlineAtEndOfFile -->
<module name="NewlineAtEndOfFile"/>
<!-- https://checkstyle.org/config_filters.html#SuppressionFilter -->
<module name="SuppressionFilter">
<property name="file" value="${configDirectory}/suppressions.xml"/>
</module>
<!-- https://checkstyle.org/config_filters.html#SuppressWithPlainTextCommentFilter -->
<module name="SuppressWithPlainTextCommentFilter"/>
<module name="TreeWalker">
<!-- https://checkstyle.org/config_misc.html#ArrayTypeStyle -->
<module name="ArrayTypeStyle"/>
<!-- https://checkstyle.org/config_imports.html#AvoidStarImport -->
<module name="AvoidStarImport"/>
<!-- https://checkstyle.org/config_misc.html#AvoidEscapedUnicodeCharacters -->
<module name="AvoidEscapedUnicodeCharacters">
<property name="allowByTailComment" value="true"/>
<property name="allowEscapesForControlCharacters" value="true"/>
<property name="allowNonPrintableEscapes" value="true"/>
<property name="severity" value="info"/>
</module>
<!-- https://checkstyle.org/config_misc.html#CommentsIndentation -->
<module name="CommentsIndentation"/>
<!-- https://checkstyle.org/config_whitespace.html#EmptyForInitializerPad -->
<module name="EmptyForInitializerPad"/>
<!-- https://checkstyle.org/config_whitespace.html#EmptyForIteratorPad -->
<module name="EmptyForIteratorPad"/>
<!-- https://checkstyle.org/config_whitespace.html#EmptyLineSeparator -->
<module name="EmptyLineSeparator">
<property name="allowMultipleEmptyLines" value="false"/>
<property name="allowMultipleEmptyLinesInsideClassMembers" value="false"/>
<property name="allowNoEmptyLineBetweenFields" value="true"/>
<property name="tokens"
value="CLASS_DEF, CTOR_DEF, ENUM_DEF, IMPORT, INSTANCE_INIT, INTERFACE_DEF, METHOD_DEF, STATIC_IMPORT, STATIC_INIT, VARIABLE_DEF"/> <!-- remove PACKAGE_DEF, temporarily remove COMPACT_CTOR_DEF, RECORD_DEF -->
</module>
<!-- https://checkstyle.org/config_coding.html#FallThrough -->
<module name="FallThrough">
<property name="checkLastCaseGroup" value="true"/>
</module>
<!-- https://checkstyle.org/config_design.html#FinalClass -->
<module name="FinalClass"/>
<!-- https://checkstyle.org/config_coding.html#FinalLocalVariable -->
<module name="FinalLocalVariable"/>
<!-- https://checkstyle.org/config_whitespace.html#GenericWhitespace -->
<module name="GenericWhitespace"/>
<!-- https://checkstyle.org/config_design.html#HideUtilityClassConstructor -->
<module name="HideUtilityClassConstructor"/>
<!-- https://checkstyle.org/config_imports.html#IllegalImport -->
<module name="IllegalImport">
<property name="illegalPkgs" value="sun, jdk, com.sun"/>
</module>
<!-- https://checkstyle.org/config_coding.html#IllegalTokenText -->
<module name="IllegalTokenText">
<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."/>
<property name="tokens" value="CHAR_LITERAL, STRING_LITERAL"/>
</module>
<!-- https://checkstyle.org/config_misc.html#Indentation -->
<module name="Indentation"/>
<!-- https://checkstyle.org/config_blocks.html#LeftCurly -->
<module name="LeftCurly"/>
<!-- https://checkstyle.org/config_naming.html#MethodName -->
<module name="MethodName">
<property name="format" value="^[_]?[a-z][a-zA-Z0-9]*$"/>
</module>
<!-- https://checkstyle.org/config_whitespace.html#MethodParamPad -->
<module name="MethodParamPad"/>
<!-- https://checkstyle.org/config_javadoc.html#MissingJavadocMethod -->
<module name="MissingJavadocMethod">
<property name="allowMissingPropertyJavadoc" value="true"/>
<property name="tokens" value="METHOD_DEF, ANNOTATION_FIELD_DEF"/> <!-- remove CTOR_DEF, COMPACT_CTOR_DEF -->
</module>
<!-- https://checkstyle.org/config_javadoc.html#MissingJavadocType -->
<module name="MissingJavadocType"/>
<!-- https://checkstyle.org/config_coding.html#NoFinalizer -->
<module name="NoFinalizer"/>
<!-- https://checkstyle.org/config_whitespace.html#NoLineWrap -->
<module name="NoLineWrap"/>
<!-- https://checkstyle.org/config_whitespace.html#NoWhitespaceAfter -->
<module name="NoWhitespaceAfter">
<property name="allowLineBreaks" value="false"/>
</module>
<!-- https://checkstyle.org/config_whitespace.html#NoWhitespaceBefore -->
<module name="NoWhitespaceBefore">
<property name="allowLineBreaks" value="true"/>
</module>
<!-- https://checkstyle.org/config_coding.html#OneStatementPerLine -->
<module name="OneStatementPerLine"/>
<!-- https://checkstyle.org/config_misc.html#OuterTypeFilename -->
<module name="OuterTypeFilename"/>
<!-- https://checkstyle.org/config_imports.html#RedundantImport -->
<module name="RedundantImport"/>
<!-- https://checkstyle.org/config_modifier.html#RedundantModifier -->
<module name="RedundantModifier">
<property name="tokens"
value="ANNOTATION_FIELD_DEF, CLASS_DEF, CTOR_DEF, ENUM_DEF, INTERFACE_DEF, VARIABLE_DEF"/> <!-- remove METHOD_DEF and RESOURCE -->
</module>
<!-- https://checkstyle.org/config_coding.html#RequireThis -->
<module name="RequireThis"/>
<!-- https://checkstyle.org/config_blocks.html#RightCurly -->
<module name="RightCurly">
<property name="id" value="RightCurlyAlone"/>
<property name="option" value="alone"/>
<property name="tokens"
value="ANNOTATION_DEF, CLASS_DEF, CTOR_DEF, ENUM_DEF, INSTANCE_INIT, LITERAL_FOR, LITERAL_WHILE, METHOD_DEF, STATIC_INIT"/>
</module>
<module name="RightCurly">
<property name="id" value="RightCurlySame"/>
<property name="option" value="same"/>
<property name="tokens"
value="LITERAL_CATCH, LITERAL_DO, LITERAL_ELSE, LITERAL_FINALLY, LITERAL_IF, LITERAL_TRY"/> <!-- add LITERAL_DO -->
</module>
<!-- https://checkstyle.org/config_whitespace.html#SingleSpaceSeparator -->
<module name="SingleSpaceSeparator">
<property name="validateComments" value="true"/>
</module>
<!-- https://checkstyle.org/config_whitespace.html#TypecastParenPad -->
<module name="TypecastParenPad"/>
<!-- https://checkstyle.org/config_coding.html#UnnecessaryParentheses -->
<module name="UnnecessaryParentheses"/>
<!-- https://checkstyle.org/config_imports.html#UnusedImports -->
<module name="UnusedImports"/>
</module>
</module>