Maven Checkstyle plugin contains config/turbine_checks.xml predefined ruleset for Turbine coding conventions:
<?xml version="1.0"?> <!-- 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. --> <!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.2//EN" "http://www.puppycrawl.com/dtds/configuration_1_2.dtd"> <!-- Checkstyle configuration that checks the Turbine coding conventions: http://turbine.apache.org/common/code-standards.html --> <module name="Checker"> <!-- Checks that each Java package has a Javadoc file used for commenting. --> <!-- See http://checkstyle.sf.net/config_javadoc.html#JavadocPackage --> <module name="JavadocPackage"> <property name="allowLegacy" value="true"/> </module> <!-- Checks whether files end with a new line. --> <!-- See http://checkstyle.sf.net/config_misc.html#NewlineAtEndOfFile --> <module name="NewlineAtEndOfFile"/> <!-- Checks that property files contain the same keys. --> <!-- See http://checkstyle.sf.net/config_misc.html#Translation --> <module name="Translation"/> <module name="FileLength"/> <!-- Checks for Headers --> <!-- See http://checkstyle.sf.net/config_header.html --> <module name="RegexpHeader"> <property name="fileExtensions" value="java"/> <property name="headerFile" value="${checkstyle.header.file}"/> <!-- The ignoreLines property no longer exists --> </module> <module name="FileTabCharacter"> <property name="eachLine" value="true"/> </module> <module name="RegexpSingleline"> <!-- \s matches whitespace character, $ matches end of line. --> <property name="format" value="\s+$"/> <property name="message" value="Line has trailing spaces."/> </module> <module name="TreeWalker"> <property name="cacheFile" value="${checkstyle.cache.file}"/> <!-- ************************************************************** --> <!-- Checks that are different from the sun coding conventions ones --> <!-- ************************************************************** --> <property name="tabWidth" value="4"/> <module name="LeftCurly"> <property name="option" value="nl"/> </module> <module name="RightCurly"> <property name="option" value="alone"/> </module> <module name="LineLength"> <property name="ignorePattern" value="@version"/> </module> <module name="MemberName"> <property name="format" value="^f[A-Z][a-zA-Z0-9]*$"/> </module> <!-- ************************************************************** --> <!-- Default Sun coding conventions checks --> <!-- ************************************************************** --> <!-- Checks for Javadoc comments. --> <!-- See http://checkstyle.sf.net/config_javadoc.html --> <module name="JavadocMethod"/> <module name="JavadocType"/> <module name="JavadocVariable"/> <!-- Checks for Naming Conventions. --> <!-- See http://checkstyle.sf.net/config_naming.html --> <module name="ConstantName"/> <module name="LocalFinalVariableName"/> <module name="LocalVariableName"/> <module name="MethodName"/> <module name="PackageName"/> <module name="ParameterName"/> <module name="StaticVariableName"/> <module name="TypeName"/> <!-- Checks for imports --> <!-- See http://checkstyle.sf.net/config_import.html --> <module name="AvoidStarImport"/> <module name="IllegalImport"/> <!-- defaults to sun.* packages --> <module name="RedundantImport"/> <module name="UnusedImports"/> <!-- Checks for Size Violations. --> <!-- See http://checkstyle.sf.net/config_sizes.html --> <module name="MethodLength"/> <module name="ParameterNumber"/> <!-- Checks for whitespace --> <!-- See http://checkstyle.sf.net/config_whitespace.html --> <module name="EmptyForIteratorPad"/> <module name="NoWhitespaceAfter"/> <module name="NoWhitespaceBefore"/> <module name="OperatorWrap"/> <module name="ParenPad"/> <module name="WhitespaceAfter"/> <module name="WhitespaceAround"/> <!-- Modifier Checks --> <!-- See http://checkstyle.sf.net/config_modifiers.html --> <module name="ModifierOrder"/> <module name="RedundantModifier"/> <!-- Checks for blocks. You know, those {}'s --> <!-- See http://checkstyle.sf.net/config_blocks.html --> <module name="AvoidNestedBlocks"/> <module name="EmptyBlock"/> <module name="NeedBraces"/> <!-- Checks for common coding problems --> <!-- See http://checkstyle.sf.net/config_coding.html --> <module name="AvoidInlineConditionals"/> <module name="EmptyStatement"/> <module name="EqualsHashCode"/> <module name="HiddenField"/> <module name="IllegalInstantiation"/> <module name="InnerAssignment"/> <module name="MagicNumber"/> <module name="MissingSwitchDefault"/> <module name="SimplifyBooleanExpression"/> <module name="SimplifyBooleanReturn"/> <!-- Checks for class design --> <!-- See http://checkstyle.sf.net/config_design.html --> <module name="DesignForExtension"/> <module name="FinalClass"/> <module name="HideUtilityClassConstructor"/> <module name="InterfaceIsType"/> <module name="VisibilityModifier"/> <!-- Miscellaneous other checks. --> <!-- See http://checkstyle.sf.net/config_misc.html --> <module name="ArrayTypeStyle"/> <module name="FinalParameters"/> <module name="TodoComment"/> <module name="UpperEll"/> </module> </module>