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| 1 | +<?xml version="1.0" encoding="UTF-8"?> |
| 2 | +<!DOCTYPE module PUBLIC |
| 3 | + "-//Puppy Crawl//DTD Check Configuration 1.3//EN" |
| 4 | + "http://www.puppycrawl.com/dtds/configuration_1_3.dtd"> |
| 5 | + |
| 6 | +<!-- This is a checkstyle configuration file. For descriptions of |
| 7 | +what the following rules do, please see the checkstyle configuration |
| 8 | +page at http://checkstyle.sourceforge.net/config.html --> |
| 9 | + |
| 10 | +<module name="Checker"> |
| 11 | + |
| 12 | + |
| 13 | + <module name="RegexpSingleline"> |
| 14 | + <!-- Requires a Google copyright notice in each file. |
| 15 | + Code intended to be open-sourced may have a multi-line copyright |
| 16 | + notice, so that this required text appears on the second line: |
| 17 | + <pre> |
| 18 | + /* |
| 19 | + * Copyright 2008 Google Inc. |
| 20 | + * |
| 21 | + * (details of open-source license...) |
| 22 | + </pre> |
| 23 | + --> |
| 24 | + <property name="format" |
| 25 | + value="^(//| \*) Copyright (\([cC]\) )?[\d]{4}(\-[\d]{4})? (Google Inc\.).*$" /> |
| 26 | + <property name="minimum" value="1" /> |
| 27 | + <property name="maximum" value="10" /> |
| 28 | + <property name="message" value="Google copyright is missing or malformed." /> |
| 29 | + <property name="severity" value="error" /> |
| 30 | + </module> |
| 31 | + |
| 32 | + <module name="FileTabCharacter"> |
| 33 | + <!-- Checks that there are no tab characters in the file. |
| 34 | + --> |
| 35 | + </module> |
| 36 | + |
| 37 | + <module name="NewlineAtEndOfFile"/> |
| 38 | + |
| 39 | + <module name="RegexpSingleline"> |
| 40 | + <!-- Checks that FIXME is not used in comments. TODO is preferred. |
| 41 | + --> |
| 42 | + <property name="format" value="((//.*)|(\*.*))FIXME" /> |
| 43 | + <property name="message" value='TODO is preferred to FIXME. e.g. "TODO(johndoe): Refactor when v2 is released."' /> |
| 44 | + </module> |
| 45 | + |
| 46 | + <module name="RegexpSingleline"> |
| 47 | + <!-- Checks that TODOs are named. (Actually, just that they are followed |
| 48 | + by an open paren.) |
| 49 | + --> |
| 50 | + <property name="format" value="((//.*)|(\*.*))TODO[^(]" /> |
| 51 | + <property name="message" value='All TODOs should be named. e.g. "TODO(johndoe): Refactor when v2 is released."' /> |
| 52 | + </module> |
| 53 | + |
| 54 | + <!-- All Java AST specific tests live under TreeWalker module. --> |
| 55 | + <module name="TreeWalker"> |
| 56 | + |
| 57 | + <!-- |
| 58 | +
|
| 59 | + IMPORT CHECKS |
| 60 | +
|
| 61 | + --> |
| 62 | + |
| 63 | + <module name="RedundantImport"> |
| 64 | + <!-- Checks for redundant import statements. --> |
| 65 | + <property name="severity" value="error"/> |
| 66 | + </module> |
| 67 | + |
| 68 | + <module name="ImportOrder"> |
| 69 | + <!-- Checks for out of order import statements. --> |
| 70 | + |
| 71 | + <property name="severity" value="warning"/> |
| 72 | + <property name="groups" value="com.google,android,junit,net,org,java,javax"/> |
| 73 | + <!-- This ensures that static imports go first. --> |
| 74 | + <property name="option" value="top"/> |
| 75 | + <property name="tokens" value="STATIC_IMPORT, IMPORT"/> |
| 76 | + </module> |
| 77 | + |
| 78 | + <!-- |
| 79 | +
|
| 80 | + JAVADOC CHECKS |
| 81 | +
|
| 82 | + --> |
| 83 | + |
| 84 | + <!-- Checks for Javadoc comments. --> |
| 85 | + <!-- See http://checkstyle.sf.net/config_javadoc.html --> |
| 86 | + <module name="JavadocMethod"> |
| 87 | + <property name="scope" value="protected"/> |
| 88 | + <property name="severity" value="warning"/> |
| 89 | + <property name="allowMissingJavadoc" value="true"/> |
| 90 | + <property name="allowMissingParamTags" value="true"/> |
| 91 | + <property name="allowMissingReturnTag" value="true"/> |
| 92 | + <property name="allowMissingThrowsTags" value="true"/> |
| 93 | + <property name="allowThrowsTagsForSubclasses" value="true"/> |
| 94 | + <property name="allowUndeclaredRTE" value="true"/> |
| 95 | + </module> |
| 96 | + |
| 97 | + <module name="JavadocType"> |
| 98 | + <property name="scope" value="protected"/> |
| 99 | + <property name="severity" value="error"/> |
| 100 | + </module> |
| 101 | + |
| 102 | + <module name="JavadocStyle"> |
| 103 | + <property name="severity" value="warning"/> |
| 104 | + </module> |
| 105 | + |
| 106 | + <!-- |
| 107 | +
|
| 108 | + NAMING CHECKS |
| 109 | +
|
| 110 | + --> |
| 111 | + |
| 112 | + <!-- Item 38 - Adhere to generally accepted naming conventions --> |
| 113 | + |
| 114 | + <module name="PackageName"> |
| 115 | + <!-- Validates identifiers for package names against the |
| 116 | + supplied expression. --> |
| 117 | + <!-- Here the default checkstyle rule restricts package name parts to |
| 118 | + seven characters, this is not in line with common practice at Google. |
| 119 | + --> |
| 120 | + <property name="format" value="^[a-z]+(\.[a-z][a-z0-9]{1,})*$"/> |
| 121 | + <property name="severity" value="warning"/> |
| 122 | + </module> |
| 123 | + |
| 124 | + <module name="TypeNameCheck"> |
| 125 | + <!-- Validates static, final fields against the |
| 126 | + expression "^[A-Z][a-zA-Z0-9]*$". --> |
| 127 | + <metadata name="altname" value="TypeName"/> |
| 128 | + <property name="severity" value="warning"/> |
| 129 | + </module> |
| 130 | + |
| 131 | + <module name="ConstantNameCheck"> |
| 132 | + <!-- Validates non-private, static, final fields against the supplied |
| 133 | + public/package final fields "^[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$". --> |
| 134 | + <metadata name="altname" value="ConstantName"/> |
| 135 | + <property name="applyToPublic" value="true"/> |
| 136 | + <property name="applyToProtected" value="true"/> |
| 137 | + <property name="applyToPackage" value="true"/> |
| 138 | + <property name="applyToPrivate" value="false"/> |
| 139 | + <property name="format" value="^([A-Z][A-Z0-9]*(_[A-Z0-9]+)*|FLAG_.*)$"/> |
| 140 | + <message key="name.invalidPattern" |
| 141 | + value="Variable ''{0}'' should be in ALL_CAPS (if it is a constant) or be private (otherwise)."/> |
| 142 | + <property name="severity" value="warning"/> |
| 143 | + </module> |
| 144 | + |
| 145 | + <module name="StaticVariableNameCheck"> |
| 146 | + <!-- Validates static, non-final fields against the supplied |
| 147 | + expression "^[a-z][a-zA-Z0-9]*_?$". --> |
| 148 | + <metadata name="altname" value="StaticVariableName"/> |
| 149 | + <property name="applyToPublic" value="true"/> |
| 150 | + <property name="applyToProtected" value="true"/> |
| 151 | + <property name="applyToPackage" value="true"/> |
| 152 | + <property name="applyToPrivate" value="true"/> |
| 153 | + <property name="format" value="^[a-z][a-zA-Z0-9]*_?$"/> |
| 154 | + <property name="severity" value="warning"/> |
| 155 | + </module> |
| 156 | + |
| 157 | + <module name="MemberNameCheck"> |
| 158 | + <!-- Validates non-static members against the supplied expression. --> |
| 159 | + <metadata name="altname" value="MemberName"/> |
| 160 | + <property name="applyToPublic" value="true"/> |
| 161 | + <property name="applyToProtected" value="true"/> |
| 162 | + <property name="applyToPackage" value="true"/> |
| 163 | + <property name="applyToPrivate" value="true"/> |
| 164 | + <property name="format" value="^[a-z][a-zA-Z0-9]*$"/> |
| 165 | + <property name="severity" value="warning"/> |
| 166 | + </module> |
| 167 | + |
| 168 | + <module name="MethodNameCheck"> |
| 169 | + <!-- Validates identifiers for method names. --> |
| 170 | + <metadata name="altname" value="MethodName"/> |
| 171 | + <property name="format" value="^[a-z][a-zA-Z0-9]*(_[a-zA-Z0-9]+)*$"/> |
| 172 | + <property name="severity" value="warning"/> |
| 173 | + </module> |
| 174 | + |
| 175 | + <module name="ParameterName"> |
| 176 | + <!-- Validates identifiers for method parameters against the |
| 177 | + expression "^[a-z][a-zA-Z0-9]*$". --> |
| 178 | + <property name="severity" value="warning"/> |
| 179 | + </module> |
| 180 | + |
| 181 | + <module name="LocalFinalVariableName"> |
| 182 | + <!-- Validates identifiers for local final variables against the |
| 183 | + expression "^[a-z][a-zA-Z0-9]*$". --> |
| 184 | + <property name="severity" value="warning"/> |
| 185 | + </module> |
| 186 | + |
| 187 | + <module name="LocalVariableName"> |
| 188 | + <!-- Validates identifiers for local variables against the |
| 189 | + expression "^[a-z][a-zA-Z0-9]*$". --> |
| 190 | + <property name="severity" value="warning"/> |
| 191 | + </module> |
| 192 | + |
| 193 | + |
| 194 | + <!-- |
| 195 | +
|
| 196 | + LENGTH and CODING CHECKS |
| 197 | +
|
| 198 | + --> |
| 199 | + |
| 200 | + <module name="LineLength"> |
| 201 | + <!-- Checks if a line is too long. --> |
| 202 | + <property name="max" value="${com.puppycrawl.tools.checkstyle.checks.sizes.LineLength.max}" default="100"/> |
| 203 | + <property name="severity" value="error"/> |
| 204 | + |
| 205 | + <!-- |
| 206 | + The default ignore pattern exempts the following elements: |
| 207 | + - import statements |
| 208 | + - long URLs inside comments |
| 209 | + --> |
| 210 | + |
| 211 | + <property name="ignorePattern" |
| 212 | + value="${com.puppycrawl.tools.checkstyle.checks.sizes.LineLength.ignorePattern}" |
| 213 | + default="^(package .*;\s*)|(import .*;\s*)|( *\* *https?://.*)$"/> |
| 214 | + </module> |
| 215 | + |
| 216 | + <module name="LeftCurly"> |
| 217 | + <!-- Checks for placement of the left curly brace ('{'). --> |
| 218 | + <property name="severity" value="warning"/> |
| 219 | + </module> |
| 220 | + |
| 221 | + <module name="RightCurly"> |
| 222 | + <!-- Checks right curlies on CATCH, ELSE, and TRY blocks are on |
| 223 | + the same line. e.g., the following example is fine: |
| 224 | + <pre> |
| 225 | + if { |
| 226 | + ... |
| 227 | + } else |
| 228 | + </pre> |
| 229 | + --> |
| 230 | + <!-- This next example is not fine: |
| 231 | + <pre> |
| 232 | + if { |
| 233 | + ... |
| 234 | + } |
| 235 | + else |
| 236 | + </pre> |
| 237 | + --> |
| 238 | + <property name="option" value="same"/> |
| 239 | + <property name="severity" value="warning"/> |
| 240 | + </module> |
| 241 | + |
| 242 | + <!-- Checks for braces around if and else blocks --> |
| 243 | + <module name="NeedBraces"> |
| 244 | + <property name="severity" value="warning"/> |
| 245 | + <property name="tokens" value="LITERAL_IF, LITERAL_ELSE, LITERAL_FOR, LITERAL_WHILE, LITERAL_DO"/> |
| 246 | + </module> |
| 247 | + |
| 248 | + <module name="UpperEll"> |
| 249 | + <!-- Checks that long constants are defined with an upper ell.--> |
| 250 | + <property name="severity" value="error"/> |
| 251 | + </module> |
| 252 | + |
| 253 | + <module name="FallThrough"> |
| 254 | + <!-- Warn about falling through to the next case statement. Similar to |
| 255 | + javac -Xlint:fallthrough, but the check is suppressed if a single-line comment |
| 256 | + on the last non-blank line preceding the fallen-into case contains 'fall through' (or |
| 257 | + some other variants which we don't publicized to promote consistency). |
| 258 | + --> |
| 259 | + <property name="reliefPattern" |
| 260 | + value="fall through|Fall through|fallthru|Fallthru|falls through|Falls through|fallthrough|Fallthrough|No break|NO break|no break|continue on"/> |
| 261 | + <property name="severity" value="error"/> |
| 262 | + </module> |
| 263 | + |
| 264 | + |
| 265 | + <!-- |
| 266 | +
|
| 267 | + MODIFIERS CHECKS |
| 268 | +
|
| 269 | + --> |
| 270 | + |
| 271 | + <module name="ModifierOrder"> |
| 272 | + <!-- Warn if modifier order is inconsistent with JLS3 8.1.1, 8.3.1, and |
| 273 | + 8.4.3. The prescribed order is: |
| 274 | + public, protected, private, abstract, static, final, transient, volatile, |
| 275 | + synchronized, native, strictfp |
| 276 | + --> |
| 277 | + </module> |
| 278 | + |
| 279 | + |
| 280 | + <!-- |
| 281 | +
|
| 282 | + WHITESPACE CHECKS |
| 283 | +
|
| 284 | + --> |
| 285 | + |
| 286 | + <module name="WhitespaceAround"> |
| 287 | + <!-- Checks that various tokens are surrounded by whitespace. |
| 288 | + This includes most binary operators and keywords followed |
| 289 | + by regular or curly braces. |
| 290 | + --> |
| 291 | + <property name="tokens" value="ASSIGN, BAND, BAND_ASSIGN, BOR, |
| 292 | + BOR_ASSIGN, BSR, BSR_ASSIGN, BXOR, BXOR_ASSIGN, COLON, DIV, DIV_ASSIGN, |
| 293 | + EQUAL, GE, GT, LAND, LE, LITERAL_CATCH, LITERAL_DO, LITERAL_ELSE, |
| 294 | + LITERAL_FINALLY, LITERAL_FOR, LITERAL_IF, LITERAL_RETURN, |
| 295 | + LITERAL_SYNCHRONIZED, LITERAL_TRY, LITERAL_WHILE, LOR, LT, MINUS, |
| 296 | + MINUS_ASSIGN, MOD, MOD_ASSIGN, NOT_EQUAL, PLUS, PLUS_ASSIGN, QUESTION, |
| 297 | + SL, SL_ASSIGN, SR_ASSIGN, STAR, STAR_ASSIGN"/> |
| 298 | + <property name="severity" value="error"/> |
| 299 | + </module> |
| 300 | + |
| 301 | + <module name="WhitespaceAfter"> |
| 302 | + <!-- Checks that commas, semicolons and typecasts are followed by |
| 303 | + whitespace. |
| 304 | + --> |
| 305 | + <property name="tokens" value="COMMA, SEMI, TYPECAST"/> |
| 306 | + </module> |
| 307 | + |
| 308 | + <module name="NoWhitespaceAfter"> |
| 309 | + <!-- Checks that there is no whitespace after various unary operators. |
| 310 | + Linebreaks are allowed. |
| 311 | + --> |
| 312 | + <property name="tokens" value="BNOT, DEC, DOT, INC, LNOT, UNARY_MINUS, |
| 313 | + UNARY_PLUS"/> |
| 314 | + <property name="allowLineBreaks" value="true"/> |
| 315 | + <property name="severity" value="error"/> |
| 316 | + </module> |
| 317 | + |
| 318 | + <module name="NoWhitespaceBefore"> |
| 319 | + <!-- Checks that there is no whitespace before various unary operators. |
| 320 | + Linebreaks are allowed. |
| 321 | + --> |
| 322 | + <property name="tokens" value="SEMI, DOT, POST_DEC, POST_INC"/> |
| 323 | + <property name="allowLineBreaks" value="true"/> |
| 324 | + <property name="severity" value="error"/> |
| 325 | + </module> |
| 326 | + |
| 327 | + <module name="ParenPad"> |
| 328 | + <!-- Checks that there is no whitespace before close parens or after |
| 329 | + open parens. |
| 330 | + --> |
| 331 | + <property name="severity" value="warning"/> |
| 332 | + </module> |
| 333 | + |
| 334 | + </module> |
| 335 | +</module> |
| 336 | + |
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