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<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE module PUBLIC
"-//Puppy Crawl//DTD Check Configuration 1.3//EN"
"http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
<!-- This is a checkstyle configuration file. For descriptions of
what the following rules do, please see the checkstyle configuration
page at http://checkstyle.sourceforge.net/config.html -->
<module name="Checker">
<module name="RegexpSingleline">
<!-- Requires a Google copyright notice in each file.
Code intended to be open-sourced may have a multi-line copyright
notice, so that this required text appears on the second line:
<pre>
/*
* Copyright 2008 Google Inc.
*
* (details of open-source license...)
</pre>
-->
<property name="format"
value="^(//| \*) Copyright (\([cC]\) )?[\d]{4}(\-[\d]{4})? (Google Inc\.).*$" />
<property name="minimum" value="1" />
<property name="maximum" value="10" />
<property name="message" value="Google copyright is missing or malformed." />
<property name="severity" value="error" />
</module>
<module name="FileTabCharacter">
<!-- Checks that there are no tab characters in the file.
-->
</module>
<module name="NewlineAtEndOfFile">
<property name="lineSeparator" value="lf"/>
</module>
<module name="RegexpSingleline">
<!-- Checks that FIXME is not used in comments. TODO is preferred.
-->
<property name="format" value="((//.*)|(\*.*))FIXME" />
<property name="message" value='TODO is preferred to FIXME. e.g. "TODO(johndoe): Refactor when v2 is released."' />
</module>
<module name="RegexpSingleline">
<!-- Checks that TODOs are named. (Actually, just that they are followed
by an open paren.)
-->
<property name="format" value="((//.*)|(\*.*))TODO[^(]" />
<property name="message" value='All TODOs should be named. e.g. "TODO(johndoe): Refactor when v2 is released."' />
</module>
<module name="JavadocPackage">
<!-- Checks that each Java package has a Javadoc file used for commenting.
Only allows a package-info.java, not package.html. -->
</module>
<!-- All Java AST specific tests live under TreeWalker module. -->
<module name="TreeWalker">
<!--
IMPORT CHECKS
-->
<module name="RedundantImport">
<!-- Checks for redundant import statements. -->
<property name="severity" value="error"/>
</module>
<module name="ImportOrder">
<!-- Checks for out of order import statements. -->
<property name="severity" value="warning"/>
<property name="groups" value="com.google,android,junit,net,org,java,javax"/>
<!-- This ensures that static imports go first. -->
<property name="option" value="top"/>
<property name="tokens" value="STATIC_IMPORT, IMPORT"/>
</module>
<!--
JAVADOC CHECKS
-->
<!-- Checks for Javadoc comments. -->
<!-- See http://checkstyle.sf.net/config_javadoc.html -->
<module name="JavadocMethod">
<property name="scope" value="protected"/>
<property name="severity" value="warning"/>
<property name="allowMissingJavadoc" value="true"/>
<property name="allowMissingParamTags" value="true"/>
<property name="allowMissingReturnTag" value="true"/>
<property name="allowMissingThrowsTags" value="true"/>
<property name="allowThrowsTagsForSubclasses" value="true"/>
<property name="allowUndeclaredRTE" value="true"/>
</module>
<module name="JavadocType">
<property name="scope" value="protected"/>
<property name="severity" value="error"/>
</module>
<module name="JavadocStyle">
<property name="severity" value="warning"/>
</module>
<!--
NAMING CHECKS
-->
<!-- Item 38 - Adhere to generally accepted naming conventions -->
<module name="PackageName">
<!-- Validates identifiers for package names against the
supplied expression. -->
<!-- Here the default checkstyle rule restricts package name parts to
seven characters, this is not in line with common practice at Google.
-->
<property name="format" value="^[a-z]+(\.[a-z][a-z0-9]{1,})*$"/>
<property name="severity" value="warning"/>
</module>
<module name="TypeNameCheck">
<!-- Validates static, final fields against the
expression "^[A-Z][a-zA-Z0-9]*$". -->
<metadata name="altname" value="TypeName"/>
<property name="severity" value="warning"/>
</module>
<module name="ConstantNameCheck">
<!-- Validates non-private, static, final fields against the supplied
public/package final fields "^[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$". -->
<metadata name="altname" value="ConstantName"/>
<property name="applyToPublic" value="true"/>
<property name="applyToProtected" value="true"/>
<property name="applyToPackage" value="true"/>
<property name="applyToPrivate" value="false"/>
<property name="format" value="^([A-Z][A-Z0-9]*(_[A-Z0-9]+)*|FLAG_.*)$"/>
<message key="name.invalidPattern"
value="Variable ''{0}'' should be in ALL_CAPS (if it is a constant) or be private (otherwise)."/>
<property name="severity" value="warning"/>
</module>
<module name="StaticVariableNameCheck">
<!-- Validates static, non-final fields against the supplied
expression "^[a-z][a-zA-Z0-9]*_?$". -->
<metadata name="altname" value="StaticVariableName"/>
<property name="applyToPublic" value="true"/>
<property name="applyToProtected" value="true"/>
<property name="applyToPackage" value="true"/>
<property name="applyToPrivate" value="true"/>
<property name="format" value="^[a-z][a-zA-Z0-9]*_?$"/>
<property name="severity" value="warning"/>
</module>
<module name="MemberNameCheck">
<!-- Validates non-static members against the supplied expression. -->
<metadata name="altname" value="MemberName"/>
<property name="applyToPublic" value="true"/>
<property name="applyToProtected" value="true"/>
<property name="applyToPackage" value="true"/>
<property name="applyToPrivate" value="true"/>
<property name="format" value="^[a-z][a-zA-Z0-9]*$"/>
<property name="severity" value="warning"/>
</module>
<module name="MethodNameCheck">
<!-- Validates identifiers for method names. -->
<metadata name="altname" value="MethodName"/>
<property name="format" value="^[a-z][a-zA-Z0-9]*(_[a-zA-Z0-9]+)*$"/>
<property name="severity" value="warning"/>
</module>
<module name="ParameterName">
<!-- Validates identifiers for method parameters against the
expression "^[a-z][a-zA-Z0-9]*$". -->
<property name="severity" value="warning"/>
</module>
<module name="LocalFinalVariableName">
<!-- Validates identifiers for local final variables against the
expression "^[a-z][a-zA-Z0-9]*$". -->
<property name="severity" value="warning"/>
</module>
<module name="LocalVariableName">
<!-- Validates identifiers for local variables against the
expression "^[a-z][a-zA-Z0-9]*$". -->
<property name="severity" value="warning"/>
</module>
<!--
LENGTH and CODING CHECKS
-->
<module name="LineLength">
<!-- Checks if a line is too long. -->
<property name="max" value="${com.puppycrawl.tools.checkstyle.checks.sizes.LineLength.max}" default="100"/>
<property name="severity" value="error"/>
<!--
The default ignore pattern exempts the following elements:
- import statements
- long URLs inside comments
-->
<property name="ignorePattern"
value="${com.puppycrawl.tools.checkstyle.checks.sizes.LineLength.ignorePattern}"
default="^(package .*;\s*)|(import .*;\s*)|( *\* *https?://.*)$"/>
</module>
<module name="LeftCurly">
<!-- Checks for placement of the left curly brace ('{'). -->
<property name="severity" value="warning"/>
</module>
<module name="RightCurly">
<!-- Checks right curlies on CATCH, ELSE, and TRY blocks are on
the same line. e.g., the following example is fine:
<pre>
if {
...
} else
</pre>
-->
<!-- This next example is not fine:
<pre>
if {
...
}
else
</pre>
-->
<property name="option" value="same"/>
<property name="severity" value="warning"/>
</module>
<!-- Checks for braces around if and else blocks -->
<module name="NeedBraces">
<property name="severity" value="warning"/>
<property name="tokens" value="LITERAL_IF, LITERAL_ELSE, LITERAL_FOR, LITERAL_WHILE, LITERAL_DO"/>
</module>
<module name="UpperEll">
<!-- Checks that long constants are defined with an upper ell.-->
<property name="severity" value="error"/>
</module>
<module name="FallThrough">
<!-- Warn about falling through to the next case statement. Similar to
javac -Xlint:fallthrough, but the check is suppressed if a single-line comment
on the last non-blank line preceding the fallen-into case contains 'fall through' (or
some other variants which we don't publicized to promote consistency).
-->
<property name="reliefPattern"
value="fall through|Fall through|fallthru|Fallthru|falls through|Falls through|fallthrough|Fallthrough|No break|NO break|no break|continue on"/>
<property name="severity" value="error"/>
</module>
<!--
MODIFIERS CHECKS
-->
<module name="ModifierOrder">
<!-- Warn if modifier order is inconsistent with JLS3 8.1.1, 8.3.1, and
8.4.3. The prescribed order is:
public, protected, private, abstract, static, final, transient, volatile,
synchronized, native, strictfp
-->
</module>
<!--
WHITESPACE CHECKS
-->
<module name="WhitespaceAround">
<!-- Checks that various tokens are surrounded by whitespace.
This includes most binary operators and keywords followed
by regular or curly braces.
-->
<property name="tokens" value="ASSIGN, BAND, BAND_ASSIGN, BOR,
BOR_ASSIGN, BSR, BSR_ASSIGN, BXOR, BXOR_ASSIGN, COLON, DIV, DIV_ASSIGN,
EQUAL, GE, GT, LAND, LE, LITERAL_CATCH, LITERAL_DO, LITERAL_ELSE,
LITERAL_FINALLY, LITERAL_FOR, LITERAL_IF, LITERAL_RETURN,
LITERAL_SYNCHRONIZED, LITERAL_TRY, LITERAL_WHILE, LOR, LT, MINUS,
MINUS_ASSIGN, MOD, MOD_ASSIGN, NOT_EQUAL, PLUS, PLUS_ASSIGN, QUESTION,
SL, SL_ASSIGN, SR_ASSIGN, STAR, STAR_ASSIGN"/>
<property name="severity" value="error"/>
</module>
<module name="WhitespaceAfter">
<!-- Checks that commas, semicolons and typecasts are followed by
whitespace.
-->
<property name="tokens" value="COMMA, SEMI, TYPECAST"/>
</module>
<module name="NoWhitespaceAfter">
<!-- Checks that there is no whitespace after various unary operators.
Linebreaks are allowed.
-->
<property name="tokens" value="BNOT, DEC, DOT, INC, LNOT, UNARY_MINUS,
UNARY_PLUS"/>
<property name="allowLineBreaks" value="true"/>
<property name="severity" value="error"/>
</module>
<module name="NoWhitespaceBefore">
<!-- Checks that there is no whitespace before various unary operators.
Linebreaks are allowed.
-->
<property name="tokens" value="SEMI, DOT, POST_DEC, POST_INC"/>
<property name="allowLineBreaks" value="true"/>
<property name="severity" value="error"/>
</module>
<module name="ParenPad">
<!-- Checks that there is no whitespace before close parens or after
open parens.
-->
<property name="severity" value="warning"/>
</module>
</module>
</module>
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