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scalastyle-config.xml
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<!--
If you wish to turn off checking for a section of code, you can put a comment in the source
before and after the section, with the following syntax:
// scalastyle:off
... // stuff that breaks the styles
// scalastyle:on
You can also disable only one rule, by specifying its rule id, as specified in:
http://www.scalastyle.org/rules-0.7.0.html
// scalastyle:off no.finalize
override def finalize(): Unit = ...
// scalastyle:on no.finalize
-->
<scalastyle>
<name>Scalastyle standard configuration</name>
<!-- ================================================================================ -->
<!-- rules we enforce -->
<!-- ================================================================================ -->
<check level="error" class="org.scalastyle.file.FileTabChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.scalariform.SpacesAfterPlusChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.scalariform.SpacesBeforePlusChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.file.WhitespaceEndOfLineChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.file.FileLineLengthChecker" enabled="true">
<parameters>
<parameter name="maxLineLength"><![CDATA[100]]></parameter>
<parameter name="tabSize"><![CDATA[2]]></parameter>
<parameter name="ignoreImports">true</parameter>
</parameters>
</check>
<check level="error" class="org.scalastyle.scalariform.ClassNamesChecker" enabled="true">
<parameters><parameter name="regex"><![CDATA[[A-Z][A-Za-z]*]]></parameter></parameters>
</check>
<check level="error" class="org.scalastyle.scalariform.ObjectNamesChecker" enabled="true">
<parameters><parameter name="regex"><![CDATA[(config|[A-Z][A-Za-z]*)]]></parameter></parameters>
</check>
<check level="error" class="org.scalastyle.scalariform.PackageObjectNamesChecker" enabled="true">
<parameters><parameter name="regex"><![CDATA[^[a-z][A-Za-z]*$]]></parameter></parameters>
</check>
<check customId="argcount" level="error" class="org.scalastyle.scalariform.ParameterNumberChecker" enabled="true">
<parameters><parameter name="maxParameters"><![CDATA[10]]></parameter></parameters>
</check>
<check level="error" class="org.scalastyle.scalariform.NoFinalizeChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.scalariform.CovariantEqualsChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.scalariform.StructuralTypeChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.scalariform.UppercaseLChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.scalariform.IfBraceChecker" enabled="true">
<parameters>
<parameter name="singleLineAllowed"><![CDATA[true]]></parameter>
<parameter name="doubleLineAllowed"><![CDATA[true]]></parameter>
</parameters>
</check>
<check level="error" class="org.scalastyle.scalariform.PublicMethodsHaveTypeChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.file.NewLineAtEofChecker" enabled="true"></check>
<check customId="nonascii" level="error" class="org.scalastyle.scalariform.NonASCIICharacterChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.scalariform.SpaceAfterCommentStartChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.scalariform.EnsureSingleSpaceBeforeTokenChecker" enabled="true">
<parameters>
<parameter name="tokens">ARROW, EQUALS, ELSE, TRY, CATCH, FINALLY, LARROW, RARROW</parameter>
</parameters>
</check>
<check level="error" class="org.scalastyle.scalariform.EnsureSingleSpaceAfterTokenChecker" enabled="true">
<parameters>
<parameter name="tokens">ARROW, EQUALS, COMMA, COLON, IF, ELSE, DO, WHILE, FOR, MATCH, TRY, CATCH, FINALLY, LARROW, RARROW</parameter>
</parameters>
</check>
<!-- ??? usually shouldn't be checked into the code base. -->
<check level="error" class="org.scalastyle.scalariform.NotImplementedErrorUsage" enabled="true"></check>
<!-- all printlns need to be wrapped in '// scalastyle:off/on println' -->
<check customId="println" level="error" class="org.scalastyle.scalariform.TokenChecker" enabled="true">
<parameters><parameter name="regex">^println$</parameter></parameters>
<customMessage><![CDATA[Are you sure you want to println? If yes, wrap the code block with
// scalastyle:off println
println(...)
// scalastyle:on println]]></customMessage>
</check>
<check customId="runtimeaddshutdownhook" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
<parameters><parameter name="regex">Runtime\.getRuntime\.addShutdownHook</parameter></parameters>
<customMessage><![CDATA[
Are you sure that you want to use Runtime.getRuntime.addShutdownHook? In most cases, you should use
ShutdownHookManager.addShutdownHook instead.
If you must use Runtime.getRuntime.addShutdownHook, wrap the code block with
// scalastyle:off runtimeaddshutdownhook
Runtime.getRuntime.addShutdownHook(...)
// scalastyle:on runtimeaddshutdownhook
]]></customMessage>
</check>
<check customId="mutablesynchronizedbuffer" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
<parameters><parameter name="regex">mutable\.SynchronizedBuffer</parameter></parameters>
<customMessage><![CDATA[
Are you sure that you want to use mutable.SynchronizedBuffer? In most cases, you should use
java.util.concurrent.ConcurrentLinkedQueue instead.
If you must use mutable.SynchronizedBuffer, wrap the code block with
// scalastyle:off mutablesynchronizedbuffer
mutable.SynchronizedBuffer[...]
// scalastyle:on mutablesynchronizedbuffer
]]></customMessage>
</check>
<check level="error" class="org.scalastyle.scalariform.ImportOrderChecker" enabled="true">
<parameters>
<parameter name="groups">ebay,java,scala,3rdParty</parameter>
<parameter name="group.ebay">com\.ebay\..*</parameter>
<parameter name="group.java">javax?\..*</parameter>
<parameter name="group.scala">scala\..*</parameter>
<parameter name="group.3rdParty">(?!com\.ebay\.).*</parameter>
</parameters>
</check>
<check level="error" class="org.scalastyle.scalariform.DisallowSpaceBeforeTokenChecker" enabled="true">
<parameters>
<parameter name="tokens">COMMA</parameter>
</parameters>
</check>
<!-- Single Space between ')' and '{' -->
<check customId="SingleSpaceBetweenRParenAndLCurlyBrace" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
<parameters><parameter name="regex">\)\{</parameter></parameters>
<customMessage><![CDATA[
Single Space between ')' and `{`.
]]></customMessage>
</check>
<check customId="NoScalaDoc" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
<parameters><parameter name="regex">(?m)^(\s*)/[*][*].*$(\r|)\n^\1 [*]</parameter></parameters>
<customMessage>Use Javadoc style indentation for multiline comments</customMessage>
</check>
<check customId="OmitBracesInCase" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
<parameters><parameter name="regex">case[^\n>]*=>\s*\{</parameter></parameters>
<customMessage>Omit braces in case clauses.</customMessage>
</check>
<check level="error" class="org.scalastyle.scalariform.NoWhitespaceBeforeLeftBracketChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.scalariform.NoWhitespaceAfterLeftBracketChecker" enabled="true"></check>
<check level="error" class="org.scalastyle.scalariform.MethodNamesChecker" enabled="true">
<parameters>
<parameter name="regex"><![CDATA[^[a-z][A-Za-z0-9]*$]]></parameter>
</parameters>
</check>
<check level="error" class="org.scalastyle.scalariform.EqualsHashCodeChecker" enabled="true"></check>
<!-- We want the opposite of this: NewLineAtEofChecker -->
<check level="error" class="org.scalastyle.file.NoNewLineAtEofChecker" enabled="false"></check>
</scalastyle>