| Index: third_party/checkstyle/java/rules/google_checks.xml | 
| diff --git a/third_party/checkstyle/java/rules/google_checks.xml b/third_party/checkstyle/java/rules/google_checks.xml | 
| new file mode 100644 | 
| index 0000000000000000000000000000000000000000..5c57b4ec466af7489a0ee6774ba50c0a474b1a7b | 
| --- /dev/null | 
| +++ b/third_party/checkstyle/java/rules/google_checks.xml | 
| @@ -0,0 +1,213 @@ | 
| +<?xml version="1.0"?> | 
| +<!DOCTYPE module PUBLIC | 
| +          "-//Puppy Crawl//DTD Check Configuration 1.3//EN" | 
| +          "http://www.puppycrawl.com/dtds/configuration_1_3.dtd"> | 
| + | 
| +<!-- | 
| + | 
| +    https://github.com/checkstyle/checkstyle/blob/master/src/main/resources/google_checks.xml | 
| + | 
| +    Checkstyle configuration that checks the Google coding conventions from Google Java Style | 
| +    that can be found at https://google.github.io/styleguide/javaguide.html. | 
| + | 
| +    Checkstyle is very configurable. Be sure to read the documentation at | 
| +    http://checkstyle.sf.net (or in your downloaded distribution). | 
| + | 
| +    To completely disable a check, just comment it out or delete it from the file. | 
| + | 
| +    Authors: Max Vetrenko, Ruslan Diachenko, Roman Ivanov. | 
| + --> | 
| + | 
| +<module name = "Checker"> | 
| +    <property name="charset" value="UTF-8"/> | 
| + | 
| +    <property name="severity" value="warning"/> | 
| + | 
| +    <property name="fileExtensions" value="java, properties, xml"/> | 
| +    <!-- 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(08|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="Avoid using corresponding octal or Unicode escape."/> | 
| +        </module> | 
| +        <module name="AvoidEscapedUnicodeCharacters"> | 
| +            <property name="allowEscapesForControlCharacters" value="true"/> | 
| +            <property name="allowByTailComment" value="true"/> | 
| +            <property name="allowNonPrintableEscapes" value="true"/> | 
| +        </module> | 
| +        <module name="LineLength"> | 
| +            <property name="max" value="100"/> | 
| +            <property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/> | 
| +        </module> | 
| +        <module name="AvoidStarImport"/> | 
| +        <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="maxLineLength" value="100"/> | 
| +        </module> | 
| +        <module name="RightCurly"/> | 
| +        <module name="RightCurly"> | 
| +            <property name="option" value="alone"/> | 
| +            <property name="tokens" value="CLASS_DEF, METHOD_DEF, CTOR_DEF, LITERAL_FOR, LITERAL_WHILE, LITERAL_DO, 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="tokens" value="DOT"/> | 
| +            <property name="option" value="nl"/> | 
| +        </module> | 
| +        <module name="SeparatorWrap"> | 
| +            <property name="tokens" value="COMMA"/> | 
| +            <property name="option" value="EOL"/> | 
| +        </module> | 
| +        <module name="PackageName"> | 
| +            <property name="format" value="^[a-z]+(\.[a-z][a-z0-9]*)*$"/> | 
| +            <message key="name.invalidPattern" | 
| +             value="Package name ''{0}'' must match pattern ''{1}''."/> | 
| +        </module> | 
| +        <module name="TypeName"> | 
| +            <message key="name.invalidPattern" | 
| +             value="Type name ''{0}'' must match pattern ''{1}''."/> | 
| +        </module> | 
| +        <module name="MemberName"> | 
| +            <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/> | 
| +            <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]*$"/> | 
| +            <message key="name.invalidPattern" | 
| +             value="Parameter name ''{0}'' must match pattern ''{1}''."/> | 
| +        </module> | 
| +        <module name="CatchParameterName"> | 
| +            <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9]*$"/> | 
| +            <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]*$"/> | 
| +            <property name="allowOneCharVarInForLoop" value="true"/> | 
| +            <message key="name.invalidPattern" | 
| +             value="Local variable name ''{0}'' must match pattern ''{1}''."/> | 
| +        </module> | 
| +        <module name="ClassTypeParameterName"> | 
| +            <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/> | 
| +            <message key="name.invalidPattern" | 
| +             value="Class type name ''{0}'' must match pattern ''{1}''."/> | 
| +        </module> | 
| +        <module name="MethodTypeParameterName"> | 
| +            <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/> | 
| +            <message key="name.invalidPattern" | 
| +             value="Method type name ''{0}'' must match pattern ''{1}''."/> | 
| +        </module> | 
| +        <module name="InterfaceTypeParameterName"> | 
| +            <property name="format" value="(^[A-Z][0-9]?)$|([A-Z][a-zA-Z0-9]*[T]$)"/> | 
| +            <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="Indentation"> | 
| +            <property name="basicOffset" value="2"/> | 
| +            <property name="braceAdjustment" value="0"/> | 
| +            <property name="caseIndent" value="2"/> | 
| +            <property name="throwsIndent" value="4"/> | 
| +            <property name="lineWrappingIndentation" value="4"/> | 
| +            <property name="arrayInitIndent" value="2"/> | 
| +        </module> | 
| +        <module name="AbbreviationAsWordInName"> | 
| +            <property name="ignoreFinal" value="false"/> | 
| +            <property name="allowedAbbreviationLength" value="1"/> | 
| +        </module> | 
| +        <module name="OverloadMethodsDeclarationOrder"/> | 
| +        <module name="VariableDeclarationUsageDistance"/> | 
| +        <module name="CustomImportOrder"> | 
| +            <property name="specialImportsRegExp" value="com.google"/> | 
| +            <property name="sortImportsInGroupAlphabetically" value="true"/> | 
| +            <property name="customImportOrderRules" value="STATIC###SPECIAL_IMPORTS###THIRD_PARTY_PACKAGE###STANDARD_JAVA_PACKAGE"/> | 
| +        </module> | 
| +        <module name="MethodParamPad"/> | 
| +        <module name="OperatorWrap"> | 
| +            <property name="option" value="NL"/> | 
| +            <property name="tokens" value="BAND, BOR, BSR, BXOR, DIV, EQUAL, GE, GT, LAND, LE, LITERAL_INSTANCEOF, LOR, LT, MINUS, MOD, NOT_EQUAL, PLUS, QUESTION, SL, SR, STAR "/> | 
| +        </module> | 
| +        <module name="AnnotationLocation"> | 
| +            <property name="tokens" value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF"/> | 
| +        </module> | 
| +        <module name="AnnotationLocation"> | 
| +            <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="JavadocMethod"> | 
| +            <property name="scope" value="public"/> | 
| +            <property name="allowMissingParamTags" value="true"/> | 
| +            <property name="allowMissingThrowsTags" value="true"/> | 
| +            <property name="allowMissingReturnTag" value="true"/> | 
| +            <property name="minLineCount" value="2"/> | 
| +            <property name="allowedAnnotations" value="Override, Test"/> | 
| +            <property name="allowThrowsTagsForSubclasses" value="true"/> | 
| +        </module> | 
| +        <module name="MethodName"> | 
| +            <property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9_]*$"/> | 
| +            <message key="name.invalidPattern" | 
| +             value="Method name ''{0}'' must match pattern ''{1}''."/> | 
| +        </module> | 
| +        <module name="SingleLineJavadoc"> | 
| +            <property name="ignoreInlineTags" value="false"/> | 
| +        </module> | 
| +        <module name="EmptyCatchBlock"> | 
| +            <property name="exceptionVariableName" value="expected"/> | 
| +        </module> | 
| +        <module name="CommentsIndentation"/> | 
| +    </module> | 
| +</module> | 
|  |