add style check for java and scala code
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CodingCat
169
jvm-packages/checkstyle.xml
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169
jvm-packages/checkstyle.xml
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<!--
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~ Licensed to the Apache Software Foundation (ASF) under one or more
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~ contributor license agreements. See the NOTICE file distributed with
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~ this work for additional information regarding copyright ownership.
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~ The ASF licenses this file to You under the Apache License, Version 2.0
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~ (the "License"); you may not use this file except in compliance with
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~ the License. You may obtain a copy of the License at
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~
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~ http://www.apache.org/licenses/LICENSE-2.0
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~
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~ Unless required by applicable law or agreed to in writing, software
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~ distributed under the License is distributed on an "AS IS" BASIS,
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~ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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~ See the License for the specific language governing permissions and
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~ limitations under the License.
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-->
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<!DOCTYPE module PUBLIC
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"-//Puppy Crawl//DTD Check Configuration 1.3//EN"
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"http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
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<!--
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Checkstyle configuration based on the Google coding conventions from:
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- Google Java Style
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https://google-styleguide.googlecode.com/svn-history/r130/trunk/javaguide.html
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with Spark-specific changes from:
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https://cwiki.apache.org/confluence/display/SPARK/Spark+Code+Style+Guide
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Checkstyle is very configurable. Be sure to read the documentation at
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http://checkstyle.sf.net (or in your downloaded distribution).
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Most Checks are configurable, be sure to consult the documentation.
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To completely disable a check, just comment it out or delete it from the file.
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Authors: Max Vetrenko, Ruslan Diachenko, Roman Ivanov.
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-->
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<module name = "Checker">
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<property name="charset" value="UTF-8"/>
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<property name="severity" value="error"/>
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<property name="fileExtensions" value="java, properties, xml"/>
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<module name="SuppressionFilter">
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<property name="file" value="checkstyle-suppressions.xml"/>
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</module>
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<!-- Checks for whitespace -->
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<!-- See http://checkstyle.sf.net/config_whitespace.html -->
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<module name="FileTabCharacter">
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<property name="eachLine" value="true"/>
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</module>
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<module name="RegexpSingleline">
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<!-- \s matches whitespace character, $ matches end of line. -->
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<property name="format" value="\s+$"/>
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<property name="message" value="No trailing whitespace allowed."/>
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</module>
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<module name="TreeWalker">
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<module name="OuterTypeFilename"/>
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<module name="IllegalTokenText">
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<property name="tokens" value="STRING_LITERAL, CHAR_LITERAL"/>
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<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)"/>
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<property name="message" value="Avoid using corresponding octal or Unicode escape."/>
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</module>
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<module name="AvoidEscapedUnicodeCharacters">
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<property name="allowEscapesForControlCharacters" value="true"/>
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<property name="allowByTailComment" value="true"/>
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<property name="allowNonPrintableEscapes" value="true"/>
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</module>
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<!-- TODO: 11/09/15 disabled - the lengths are currently > 100 in many places -->
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<module name="LineLength">
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<property name="max" value="100"/>
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<property name="ignorePattern" value="^package.*|^import.*|a href|href|http://|https://|ftp://"/>
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</module>
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<module name="NoLineWrap"/>
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<module name="EmptyBlock">
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<property name="option" value="TEXT"/>
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<property name="tokens" value="LITERAL_TRY, LITERAL_FINALLY, LITERAL_IF, LITERAL_ELSE, LITERAL_SWITCH"/>
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</module>
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<module name="NeedBraces">
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<property name="allowSingleLineStatement" value="true"/>
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</module>
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<module name="OneStatementPerLine"/>
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<module name="ArrayTypeStyle"/>
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<module name="FallThrough"/>
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<module name="UpperEll"/>
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<module name="ModifierOrder"/>
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<module name="SeparatorWrap">
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<property name="tokens" value="DOT"/>
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<property name="option" value="nl"/>
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</module>
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<module name="SeparatorWrap">
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<property name="tokens" value="COMMA"/>
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<property name="option" value="EOL"/>
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</module>
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<module name="PackageName">
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<property name="format" value="^[a-z]+(\.[a-z][a-z0-9]*)*$"/>
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<message key="name.invalidPattern"
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value="Package name ''{0}'' must match pattern ''{1}''."/>
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</module>
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<module name="ClassTypeParameterName">
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<property name="format" value="([A-Z][a-zA-Z0-9]*$)"/>
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<message key="name.invalidPattern"
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value="Class type name ''{0}'' must match pattern ''{1}''."/>
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</module>
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<module name="MethodTypeParameterName">
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<property name="format" value="([A-Z][a-zA-Z0-9]*)"/>
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<message key="name.invalidPattern"
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value="Method type name ''{0}'' must match pattern ''{1}''."/>
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</module>
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<module name="GenericWhitespace">
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<message key="ws.followed"
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value="GenericWhitespace ''{0}'' is followed by whitespace."/>
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<message key="ws.preceded"
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value="GenericWhitespace ''{0}'' is preceded with whitespace."/>
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<message key="ws.illegalFollow"
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value="GenericWhitespace ''{0}'' should followed by whitespace."/>
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<message key="ws.notPreceded"
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value="GenericWhitespace ''{0}'' is not preceded with whitespace."/>
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</module>
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<!-- TODO: 11/09/15 disabled - indentation is currently inconsistent -->
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<!--
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<module name="Indentation">
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<property name="basicOffset" value="4"/>
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<property name="braceAdjustment" value="0"/>
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<property name="caseIndent" value="4"/>
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<property name="throwsIndent" value="4"/>
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<property name="lineWrappingIndentation" value="4"/>
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<property name="arrayInitIndent" value="4"/>
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</module>
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-->
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<!-- TODO: 11/09/15 disabled - order is currently wrong in many places -->
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<!--
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<module name="ImportOrder">
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<property name="separated" value="true"/>
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<property name="ordered" value="true"/>
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<property name="groups" value="/^javax?\./,scala,*,org.apache.spark"/>
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</module>
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-->
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<module name="MethodParamPad"/>
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<module name="AnnotationLocation">
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<property name="tokens" value="CLASS_DEF, INTERFACE_DEF, ENUM_DEF, METHOD_DEF, CTOR_DEF"/>
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</module>
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<module name="AnnotationLocation">
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<property name="tokens" value="VARIABLE_DEF"/>
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<property name="allowSamelineMultipleAnnotations" value="true"/>
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</module>
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<module name="MethodName">
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<property name="format" value="^[a-z][a-z0-9][a-zA-Z0-9_]*$"/>
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<message key="name.invalidPattern"
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value="Method name ''{0}'' must match pattern ''{1}''."/>
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</module>
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<module name="EmptyCatchBlock">
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<property name="exceptionVariableName" value="expected"/>
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</module>
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<module name="CommentsIndentation"/>
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</module>
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</module>
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