dev-support/maven-config/scalastyle-config.xml - submarine - Git at Google

 <!--
   ~ Licensed to the Apache Software Foundation (ASF) under one or more
   ~ contributor license agreements. See the NOTICE file distributed with
   ~ this work for additional information regarding copyright ownership.
   ~ The ASF licenses this file to You 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.
 -->

 <scalastyle>
     <name>Scalastyle standard configuration</name>

     <!-- ================================================================================ -->
     <!--                               rules we enforce                                   -->
     <!-- ================================================================================ -->

     <check level="error" class="org.scalastyle.file.FileTabChecker" enabled="true"/>

     <check level="error" class="org.scalastyle.file.HeaderMatchesChecker" enabled="true">
         <parameters>
             <parameter name="header"><![CDATA[/*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you 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.
  */]]></parameter>
         </parameters>
     </check>

     <check level="error" class="org.scalastyle.scalariform.SpacesAfterPlusChecker" enabled="true"/>

     <check level="error" class="org.scalastyle.scalariform.SpacesBeforePlusChecker" enabled="true"/>

     <check level="error" class="org.scalastyle.file.WhitespaceEndOfLineChecker" enabled="true"/>

     <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 level="error" class="org.scalastyle.scalariform.CovariantEqualsChecker" enabled="true"/>

     <check level="error" class="org.scalastyle.scalariform.StructuralTypeChecker" enabled="true"/>

     <check level="error" class="org.scalastyle.scalariform.UppercaseLChecker" enabled="true"/>

     <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 level="error" class="org.scalastyle.file.NewLineAtEofChecker" enabled="true"/>

     <check customId="nonascii" level="error" class="org.scalastyle.scalariform.NonASCIICharacterChecker"
            enabled="true"/>

     <check level="error" class="org.scalastyle.scalariform.SpaceAfterCommentStartChecker" enabled="true"/>

     <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 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 customId="caselocale" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
         <parameters><parameter name="regex">(\.toUpperCase|\.toLowerCase)(?!(\(|\(Locale.ROOT\)))</parameter></parameters>
         <customMessage><![CDATA[
       Are you sure that you want to use toUpperCase or toLowerCase without the root locale? In most cases, you
       should use toUpperCase(Locale.ROOT) or toLowerCase(Locale.ROOT) instead.
       If you must use toUpperCase or toLowerCase without the root locale, wrap the code block with
       // scalastyle:off caselocale
       .toUpperCase
       .toLowerCase
       // scalastyle:on caselocale
     ]]></customMessage>
     </check>

     <check customId="throwerror" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
         <parameters><parameter name="regex">throw new \w+Error\(</parameter></parameters>
         <customMessage><![CDATA[
       Are you sure that you want to throw Error? In most cases, you should use appropriate Exception instead.
       If you must throw Error, wrap the code block with
       // scalastyle:off throwerror
       throw new XXXError(...)
       // scalastyle:on throwerror
     ]]></customMessage>
     </check>

     <check customId="javaconversions" level="error" class="org.scalastyle.scalariform.TokenChecker" enabled="true">
         <parameters><parameter name="regex">JavaConversions</parameter></parameters>
         <customMessage>Instead of importing implicits in scala.collection.JavaConversions._, import
             scala.collection.JavaConverters._ and use .asScala / .asJava methods</customMessage>
     </check>

     <check customId="commonslang2" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
         <parameters><parameter name="regex">org\.apache\.commons\.lang\.</parameter></parameters>
         <customMessage>Use Commons Lang 3 classes (package org.apache.commons.lang3.*) instead
             of Commons Lang 2 (package org.apache.commons.lang.*)</customMessage>
     </check>

     <check customId="extractopt" level="error" class="org.scalastyle.scalariform.TokenChecker" enabled="true">
         <parameters><parameter name="regex">extractOpt</parameter></parameters>
         <customMessage>Use jsonOption(x).map(.extract[T]) instead of .extractOpt[T], as the latter
             is slower.  </customMessage>
     </check>

     <check level="error" class="org.scalastyle.scalariform.ImportOrderChecker" enabled="true">
         <parameters>
             <parameter name="groups">java,scala,3rdParty,submarine</parameter>
             <parameter name="group.java">javax?\..*</parameter>
             <parameter name="group.scala">scala\..*</parameter>
             <parameter name="group.3rdParty">(?!org\.apache\.submarine\.).*</parameter>
             <parameter name="group.submarine">org\.apache\.submarine\..*</parameter>
             <parameter name="lexicographic">false</parameter>
         </parameters>
     </check>

     <check level="error" class="org.scalastyle.scalariform.DisallowSpaceBeforeTokenChecker" enabled="true">
         <parameters>
             <parameter name="tokens">COMMA</parameter>
         </parameters>
     </check>

     <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.OverrideJavaChecker" enabled="true"/>

     <check level="error" class="org.scalastyle.scalariform.DeprecatedJavaChecker" enabled="true"/>

     <check level="error" class="org.scalastyle.scalariform.NoWhitespaceBeforeLeftBracketChecker" enabled="true"/>
     <check level="error" class="org.scalastyle.scalariform.NoWhitespaceAfterLeftBracketChecker" enabled="true"/>

     <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"/>

     <!-- ================================================================================ -->
     <!--                               rules we don't want                                -->
     <!-- ================================================================================ -->

     <check level="error" class="org.scalastyle.scalariform.IllegalImportsChecker" enabled="false">
         <parameters><parameter name="illegalImports"><![CDATA[sun._,java.awt._]]></parameter></parameters>
     </check>

     <!-- We want the opposite of this: NewLineAtEofChecker -->
     <check level="error" class="org.scalastyle.file.NoNewLineAtEofChecker" enabled="false"/>

     <!-- This one complains about all kinds of random things. Disable. -->
     <check level="error" class="org.scalastyle.scalariform.SimplifyBooleanExpressionChecker" enabled="false"/>

     <!-- We use return quite a bit for control flows and guards -->
     <check level="error" class="org.scalastyle.scalariform.ReturnChecker" enabled="false"/>

     <!-- We use null a lot in low level code and to interface with 3rd party code -->
     <check level="error" class="org.scalastyle.scalariform.NullChecker" enabled="false"/>

     <!-- Doesn't seem super big deal here ... -->
     <check level="error" class="org.scalastyle.scalariform.NoCloneChecker" enabled="false"/>

     <!-- Doesn't seem super big deal here ... -->
     <check level="error" class="org.scalastyle.file.FileLengthChecker" enabled="false">
         <parameters><parameter name="maxFileLength">800></parameter></parameters>
     </check>

     <!-- Doesn't seem super big deal here ... -->
     <check level="error" class="org.scalastyle.scalariform.NumberOfTypesChecker" enabled="false">
         <parameters><parameter name="maxTypes">30</parameter></parameters>
     </check>

     <!-- Doesn't seem super big deal here ... -->
     <check level="error" class="org.scalastyle.scalariform.CyclomaticComplexityChecker" enabled="false">
         <parameters><parameter name="maximum">10</parameter></parameters>
     </check>

     <!-- Doesn't seem super big deal here ... -->
     <check level="error" class="org.scalastyle.scalariform.MethodLengthChecker" enabled="false">
         <parameters><parameter name="maxLength">50</parameter></parameters>
     </check>

     <!-- Not exactly feasible to enforce this right now. -->
     <!-- It is also infrequent that somebody introduces a new class with a lot of methods. -->
     <check level="error" class="org.scalastyle.scalariform.NumberOfMethodsInTypeChecker" enabled="false">
         <parameters><parameter name="maxMethods"><![CDATA[30]]></parameter></parameters>
     </check>

     <!-- Doesn't seem super big deal here, and we have a lot of magic numbers ... -->
     <check level="error" class="org.scalastyle.scalariform.MagicNumberChecker" enabled="false">
         <parameters><parameter name="ignore">-1,0,1,2,3</parameter></parameters>
     </check>

 </scalastyle>
	<!--
	~ Licensed to the Apache Software Foundation (ASF) under one or more
	~ contributor license agreements. See the NOTICE file distributed with
	~ this work for additional information regarding copyright ownership.
	~ The ASF licenses this file to You 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.
	-->

	<scalastyle>
	<name>Scalastyle standard configuration</name>

	<!-- ================================================================================ -->
	<!-- rules we enforce -->
	<!-- ================================================================================ -->

	<check level="error" class="org.scalastyle.file.FileTabChecker" enabled="true"/>

	<check level="error" class="org.scalastyle.file.HeaderMatchesChecker" enabled="true">
	<parameters>
	<parameter name="header"><![CDATA[/*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you 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.
	*/]]></parameter>
	</parameters>
	</check>

	<check level="error" class="org.scalastyle.scalariform.SpacesAfterPlusChecker" enabled="true"/>

	<check level="error" class="org.scalastyle.scalariform.SpacesBeforePlusChecker" enabled="true"/>

	<check level="error" class="org.scalastyle.file.WhitespaceEndOfLineChecker" enabled="true"/>

	<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 level="error" class="org.scalastyle.scalariform.CovariantEqualsChecker" enabled="true"/>

	<check level="error" class="org.scalastyle.scalariform.StructuralTypeChecker" enabled="true"/>

	<check level="error" class="org.scalastyle.scalariform.UppercaseLChecker" enabled="true"/>

	<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 level="error" class="org.scalastyle.file.NewLineAtEofChecker" enabled="true"/>

	<check customId="nonascii" level="error" class="org.scalastyle.scalariform.NonASCIICharacterChecker"
	enabled="true"/>

	<check level="error" class="org.scalastyle.scalariform.SpaceAfterCommentStartChecker" enabled="true"/>

	<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 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 customId="caselocale" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
	<parameters><parameter name="regex">(\.toUpperCase\|\.toLowerCase)(?!(\(\|\(Locale.ROOT\)))</parameter></parameters>
	<customMessage><![CDATA[
	Are you sure that you want to use toUpperCase or toLowerCase without the root locale? In most cases, you
	should use toUpperCase(Locale.ROOT) or toLowerCase(Locale.ROOT) instead.
	If you must use toUpperCase or toLowerCase without the root locale, wrap the code block with
	// scalastyle:off caselocale
	.toUpperCase
	.toLowerCase
	// scalastyle:on caselocale
	]]></customMessage>
	</check>

	<check customId="throwerror" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
	<parameters><parameter name="regex">throw new \w+Error\(</parameter></parameters>
	<customMessage><![CDATA[
	Are you sure that you want to throw Error? In most cases, you should use appropriate Exception instead.
	If you must throw Error, wrap the code block with
	// scalastyle:off throwerror
	throw new XXXError(...)
	// scalastyle:on throwerror
	]]></customMessage>
	</check>

	<check customId="javaconversions" level="error" class="org.scalastyle.scalariform.TokenChecker" enabled="true">
	<parameters><parameter name="regex">JavaConversions</parameter></parameters>
	<customMessage>Instead of importing implicits in scala.collection.JavaConversions._, import
	scala.collection.JavaConverters._ and use .asScala / .asJava methods</customMessage>
	</check>

	<check customId="commonslang2" level="error" class="org.scalastyle.file.RegexChecker" enabled="true">
	<parameters><parameter name="regex">org\.apache\.commons\.lang\.</parameter></parameters>
	<customMessage>Use Commons Lang 3 classes (package org.apache.commons.lang3.*) instead
	of Commons Lang 2 (package org.apache.commons.lang.*)</customMessage>
	</check>

	<check customId="extractopt" level="error" class="org.scalastyle.scalariform.TokenChecker" enabled="true">
	<parameters><parameter name="regex">extractOpt</parameter></parameters>
	<customMessage>Use jsonOption(x).map(.extract[T]) instead of .extractOpt[T], as the latter
	is slower. </customMessage>
	</check>

	<check level="error" class="org.scalastyle.scalariform.ImportOrderChecker" enabled="true">
	<parameters>
	<parameter name="groups">java,scala,3rdParty,submarine</parameter>
	<parameter name="group.java">javax?\..*</parameter>
	<parameter name="group.scala">scala\..*</parameter>
	<parameter name="group.3rdParty">(?!org\.apache\.submarine\.).*</parameter>
	<parameter name="group.submarine">org\.apache\.submarine\..*</parameter>
	<parameter name="lexicographic">false</parameter>
	</parameters>
	</check>

	<check level="error" class="org.scalastyle.scalariform.DisallowSpaceBeforeTokenChecker" enabled="true">
	<parameters>
	<parameter name="tokens">COMMA</parameter>
	</parameters>
	</check>

	<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.OverrideJavaChecker" enabled="true"/>

	<check level="error" class="org.scalastyle.scalariform.DeprecatedJavaChecker" enabled="true"/>

	<check level="error" class="org.scalastyle.scalariform.NoWhitespaceBeforeLeftBracketChecker" enabled="true"/>
	<check level="error" class="org.scalastyle.scalariform.NoWhitespaceAfterLeftBracketChecker" enabled="true"/>

	<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"/>

	<!-- ================================================================================ -->
	<!-- rules we don't want -->
	<!-- ================================================================================ -->

	<check level="error" class="org.scalastyle.scalariform.IllegalImportsChecker" enabled="false">
	<parameters><parameter name="illegalImports"><![CDATA[sun._,java.awt._]]></parameter></parameters>
	</check>

	<!-- We want the opposite of this: NewLineAtEofChecker -->
	<check level="error" class="org.scalastyle.file.NoNewLineAtEofChecker" enabled="false"/>

	<!-- This one complains about all kinds of random things. Disable. -->
	<check level="error" class="org.scalastyle.scalariform.SimplifyBooleanExpressionChecker" enabled="false"/>

	<!-- We use return quite a bit for control flows and guards -->
	<check level="error" class="org.scalastyle.scalariform.ReturnChecker" enabled="false"/>

	<!-- We use null a lot in low level code and to interface with 3rd party code -->
	<check level="error" class="org.scalastyle.scalariform.NullChecker" enabled="false"/>

	<!-- Doesn't seem super big deal here ... -->
	<check level="error" class="org.scalastyle.scalariform.NoCloneChecker" enabled="false"/>

	<!-- Doesn't seem super big deal here ... -->
	<check level="error" class="org.scalastyle.file.FileLengthChecker" enabled="false">
	<parameters><parameter name="maxFileLength">800></parameter></parameters>
	</check>

	<!-- Doesn't seem super big deal here ... -->
	<check level="error" class="org.scalastyle.scalariform.NumberOfTypesChecker" enabled="false">
	<parameters><parameter name="maxTypes">30</parameter></parameters>
	</check>

	<!-- Doesn't seem super big deal here ... -->
	<check level="error" class="org.scalastyle.scalariform.CyclomaticComplexityChecker" enabled="false">
	<parameters><parameter name="maximum">10</parameter></parameters>
	</check>

	<!-- Doesn't seem super big deal here ... -->
	<check level="error" class="org.scalastyle.scalariform.MethodLengthChecker" enabled="false">
	<parameters><parameter name="maxLength">50</parameter></parameters>
	</check>

	<!-- Not exactly feasible to enforce this right now. -->
	<!-- It is also infrequent that somebody introduces a new class with a lot of methods. -->
	<check level="error" class="org.scalastyle.scalariform.NumberOfMethodsInTypeChecker" enabled="false">
	<parameters><parameter name="maxMethods"><![CDATA[30]]></parameter></parameters>
	</check>

	<!-- Doesn't seem super big deal here, and we have a lot of magic numbers ... -->
	<check level="error" class="org.scalastyle.scalariform.MagicNumberChecker" enabled="false">
	<parameters><parameter name="ignore">-1,0,1,2,3</parameter></parameters>
	</check>

	</scalastyle>