ant/src/etc/checkstyle/checkstyle-config

<?xml version="1.0"?>
<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.1//EN" "http://www.puppycrawl.com/dtds/configuration_1_1.dtd">

<module name="Checker">
  <module name="TreeWalker">
    <!-- Javadoc requirements -->
    <module name="JavadocType">
      <property name="scope" value="protected"/>
      <property name="authorFormat" value="\S"/>
    </module>
    <module name="JavadocMethod">
      <property name="scope" value="protected"/>
      <property name="allowUndeclaredRTE" value="true"/>
    </module>
    <module name="JavadocVariable">
       <property name="scope" value="public"/>
    </module>        
    
    <!-- element naming -->
    <module name="PackageName">
      <!-- no uppercase letters, between 2 and 8 characters -->
      <property name="format" value="^[a-z]+(\.[a-z][a-z0-9]{1,7})*$"/>
    </module>
    <module name="TypeName"/>
    <module name="ConstantName"/>
    <module name="LocalFinalVariableName"/>
    <module name="LocalVariableName"/>
    <module name="MemberName"/>
    <module name="MethodName"/>
    <module name="ParameterName"/>
    <module name="StaticVariableName"/>
    
    <!-- required licence file -->
    <module name="Header">
        <property name="headerFile" value="${config.dir}/RequiredHeader.txt"/>
        <property name="ignoreLines" value="4"/>
    </module>
    
    <!-- Import conventions -->
    <module name="AvoidStarImport"/>
    <module name="IllegalImport"/>
    <module name="RedundantImport"/>
    <module name="UnusedImports"/>
    
    <!-- size limits -->
    <module name="FileLength"/>
    <module name="LineLength"/>
    <module name="MethodLength"/>
    <module name="ParameterNumber"/>

    <!-- whitespace checks -->
    <module name="EmptyForIteratorPad"/>
    <module name="NoWhitespaceAfter"/>
    <module name="NoWhitespaceBefore"/>
    <module name="OperatorWrap"/>
    <module name="ParenPad"/>
    <module name="TabCharacter"/>
    <module name="WhitespaceAfter"/>
    <module name="WhitespaceAround"/>

    <!-- Modifier Checks -->
    <module name="ModifierOrder"/>
    <module name="RedundantModifier"/>
    
    
    <!-- Checks for blocks -->
    <module name="AvoidNestedBlocks"/>
    <module name="EmptyBlock"/>
    <module name="LeftCurly"/>
    <module name="NeedBraces"/>
    <module name="RightCurly"/>
    
    
    <!-- Checks for common coding problems -->
    <module name="AvoidInlineConditionals"/>
    <module name="DoubleCheckedLocking"/>   
    <module name="EmptyStatement"/>
    <module name="EqualsHashCode"/>
    <module name="IllegalInstantiation">
      <property name="classes" value="java.lang.Boolean"/>
    </module>
    <module name="InnerAssignment"/>
    <module name="MagicNumber"/>
    <module name="MissingSwitchDefault"/>
    <module name="RedundantThrows"/>
    <module name="SimplifyBooleanExpression"/>
    <module name="SimplifyBooleanReturn"/>
    
    <!-- Checks for class design -->
    <module name="DesignForExtension"/>
    <module name="FinalClass"/>
    <module name="HideUtilityClassConstructor"/>
    <module name="InterfaceIsType"/>
    <module name="VisibilityModifier"/>
    
    <!-- Miscellaneous other checks.                   -->
    <module name="ArrayTypeStyle"/>
    <module name="GenericIllegalRegexp">
      <property name="format" value="\s+$"/>
      <property name="message" value="Line has trailing spaces."/>
    </module>
    <module name="TodoComment"/>
    <module name="UpperEll"/>
  </module>
</module>