jetty.project/build-resources/src/main/resources/jetty-checkstyle.xml

282 lines
10 KiB
XML

<?xml version="1.0"?>
<!DOCTYPE module PUBLIC
"-//Checkstyle//DTD Checkstyle Configuration 1.3//EN"
"https://checkstyle.org/dtds/configuration_1_3.dtd">
<!--
Checkstyle configuration that checks the Jetty coding conventions.
-->
<module name = "Checker">
<property name="charset" value="UTF-8"/>
<property name="severity" value="warning"/>
<property name="fileExtensions" value="java"/>
<!-- reference to suppressions filter for both eclipse and intellij checkstyle plugins -->
<module name="SuppressionFilter">
<property name="file" value="${checkstyle.suppressions.file}"/>
<property name="optional" value="true"/>
</module>
<!-- Excludes all 'module-info.java' files -->
<!-- See https://checkstyle.org/config_filefilters.html -->
<module name="BeforeExecutionExclusionFileFilter">
<property name="fileNamePattern" value="module\-info\.java$"/>
</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="SuppressionCommentFilter">
<property name="offCommentFormat" value="@checkstyle-disable-check : ([\w\|]+)"/>
<property name="onCommentFormat" value="@checkstyle-enable-check : ([\w\|]+)"/>
<property name="checkFormat" value="$1"/>
</module>
<!--
Eclipse Jetty Specific.
===========================================================================================
-->
<!-- Location of Annotations -->
<module name="AnnotationLocation">
<property name="allowSamelineSingleParameterlessAnnotation" value="false"/>
</module>
<!-- Catch Parameter Name Format -->
<module name="CatchParameterName">
<property name="format" value="^(e|t|x|ex|th|e2|[a-z][a-z][a-zA-Z0-9]+)$"/>
</module>
<!-- Class Type Parameter Name Format -->
<module name="ClassTypeParameterName">
<property name="format" value="^[A-Z][A-Z0-9]*$"/>
</module>
<!-- Import Line Ordering -->
<module name="CustomImportOrder">
<property name="sortImportsInGroupAlphabetically" value="true"/>
<property name="separateLineBetweenGroups" value="true"/>
<property name="customImportOrderRules" value="STANDARD_JAVA_PACKAGE###THIRD_PARTY_PACKAGE###STATIC"/>
</module>
<!-- do not allow empty blocks in: try, finally, if, else, or switch -->
<module name="EmptyBlock">
<property name="option" value="TEXT"/>
<property name="tokens"
value="LITERAL_TRY, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_SWITCH"/>
</module>
<!-- enforce empty line after specified tokens -->
<module name="EmptyLineSeparator">
<property name="allowNoEmptyLineBetweenFields" value="true"/>
<property name="allowMultipleEmptyLines" value="false"/>
<property name="tokens"
value="PACKAGE_DEF, IMPORT, STATIC_IMPORT, CLASS_DEF, INTERFACE_DEF, ENUM_DEF,
STATIC_INIT, INSTANCE_INIT, METHOD_DEF, CTOR_DEF, VARIABLE_DEF"/>
</module>
<!-- Indentation Rules -->
<module name="Indentation">
<property name="arrayInitIndent" value="8"/>
</module>
<!-- Interface Type Parameter Name -->
<module name="InterfaceTypeParameterName">
<property name="format" value="^[A-Z][A-Z0-9]*$"/>
</module>
<!-- left curly brace must be on new line -->
<module name="LeftCurly">
<property name="option" value="nl"/>
</module>
<!-- Method Type Parameter Name -->
<module name="MethodTypeParameterName">
<property name="format" value="^[A-Z][A-Z0-9]*$"/>
</module>
<!-- Member Name Format -->
<module name="MemberName">
<property name="format" value="^[_a-z][a-zA-Z0-9]*$"/>
</module>
<!-- require braces is disabled - we don't enforce that in Jetty
<module name="NeedBraces">
<property name="allowSingleLineStatement" value="true"/>
</module>
-->
<!-- No Whitespace After specific tokens -->
<module name="NoWhitespaceAfter">
<property name="tokens" value="ARRAY_INIT, AT, INC, DEC, UNARY_MINUS, UNARY_PLUS, BNOT, LNOT, DOT, ARRAY_DECLARATOR, INDEX_OP, TYPECAST"/>
<property name="allowLineBreaks" value="true"/>
</module>
<!-- No Whitespace Before specific tokens -->
<module name="NoWhitespaceBefore">
<property name="tokens"
value="COMMA, SEMI, POST_INC, POST_DEC, DOT, ELLIPSIS, METHOD_REF"/>
<property name="allowLineBreaks" value="true"/>
</module>
<!-- allowed wrapping for operators -->
<module name="OperatorWrap">
<property name="id" value="OperatorWrapNextLine"/>
<property name="tokens" value="QUESTION, COLON"/>
<property name="option" value="nl"/>
</module>
<module name="OperatorWrap">
<property name="id" value="OperatorWrapSameLine"/>
<property name="tokens" value="EQUAL, NOT_EQUAL, DIV, PLUS, MINUS, STAR, MOD, SR, BSR, GE, GT, SL, LE, LT, BXOR, BOR, LOR, BAND, LAND, TYPE_EXTENSION_AND, LITERAL_INSTANCEOF"/>
<property name="option" value="eol"/>
</module>
<!-- ensure we don't have legacy comments that confuse javadoc tooling -->
<module name="Regexp">
<property name="id" value="LegacyMethodSeparators"/>
<property name="format" value="/\*\s*[=*-]*\s*\*/"/>
<property name="illegalPattern" value="true"/>
<property name="ignoreComments" value="false"/>
<property name="message" value="Legacy Method Separators"/>
</module>
<!-- right curly brace must be on new line -->
<module name="RightCurly">
<property name="option" value="alone_or_singleline"/>
</module>
<!-- Various Wrapping of ".", ",", "...", "[]", and method ref New Lines -->
<module name="SeparatorWrap">
<property name="id" value="SeparatorWrapNextLine"/>
<property name="tokens" value="DOT"/>
<property name="option" value="nl"/>
</module>
<module name="SeparatorWrap">
<property name="id" value="SeparatorWrapSameLine"/>
<property name="tokens" value="COMMA, ELLIPSIS, ARRAY_DECLARATOR, METHOD_REF"/>
<property name="option" value="eol"/>
</module>
<!-- checks that a token is followed by whitespace -->
<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"/>
</module>
<!--
Checks based on common Open Source specific recommendations.
===========================================================================================
-->
<!-- limit use of unicode escape sequences (eg "\u20ac") in mainline code. -->
<module name="AvoidEscapedUnicodeCharacters">
<!-- allow control characters to use unicode escape sequences -->
<property name="allowEscapesForControlCharacters" value="true"/>
<!-- allow unicode escape sequences if also followed by tail comments -->
<property name="allowByTailComment" value="true"/>
<!-- allow use of non-printable escape sequences -->
<property name="allowNonPrintableEscapes" value="true"/>
</module>
<!-- not allowing star import lines -->
<module name="AvoidStarImport"/>
<!-- if you have an empty catch block, name the caught exception "ignored" -->
<module name="EmptyCatchBlock">
<property name="exceptionVariableName" value="ignored"/>
</module>
<!-- if a switch statement contains java code, but lacks fall through comment its an error -->
<module name="FallThrough"/>
<!-- reject unicode or octal values in mainline code -->
<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>
<!-- all switch statements should have "default" label declared -->
<!-- Disabled: Is super noisy
<module name="MissingSwitchDefault"/>
-->
<!-- prevent line wrapping of import / package statements -->
<module name="NoLineWrap"/>
<!-- only 1 top level class defined per java file -->
<module name="OneTopLevelClass"/>
<!-- Filename and Classname match -->
<module name="OuterTypeFilename"/>
<!--
Checks based on the Java Language Specification recommendations.
https://docs.oracle.com/javase/specs/jls/se8/html/index.html
===========================================================================================
-->
<!-- array type style -->
<!-- int[] foo; // OK
int foo[]; // BAD -->
<module name="ArrayTypeStyle" />
<!-- Whitespace around Generics (angle brackets) follow convention -->
<module name="GenericWhitespace" />
<!-- Lambda Parameter Name Format -->
<module name="LambdaParameterName" />
<!-- Local Parameter Name Format -->
<module name="LocalVariableName" />
<!-- Method Name Format -->
<module name="MethodName" />
<!-- Checks the padding between the identifier of a method definition, constructor definition,
method call, or constructor invocation: nospace -->
<module name="MethodParamPad"/>
<!-- ensure that modifiers follow suggested order -->
<module name="ModifierOrder"/>
<!-- only 1 variable declaration per line -->
<module name="MultipleVariableDeclarations"/>
<!-- No Object.finalize() use -->
<module name="NoFinalizer"/>
<!-- checks that there is only one statement per line -->
<module name="OneStatementPerLine"/>
<!-- package name JLS rules -->
<module name="PackageName" />
<!-- Parameter Name Format -->
<module name="ParameterName" />
<!-- the policy on the padding of parentheses: nospace -->
<module name="ParenPad"/>
<!-- Type Name format -->
<module name="TypeName" />
<!-- checks that long constants are defined with an upper ell. That is 'L' and not 'l' -->
<module name="UpperEll"/>
<!-- TODO: look for float / double version of above -->
</module>
</module>