checkstyle_checks.xml

<?xml version="1.0"?>
<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.3//EN" "http://www.puppycrawl.com/dtds/configuration_1_3.dtd">
<module name="Checker">
    <!--
      If you set the basedir property below, then all reported file
      names will be relative to the specified directory. See
      http://checkstyle.sourceforge.net/config.html#Checker

      <property name="basedir" value="${basedir}"/>
  -->
    <property name="severity" value="error"/>
    <!-- Filters -->
    <module name="SeverityMatchFilter">
        <!-- report all violations except ignore -->
        <property name="severity" value="ignore"/>
        <property name="acceptOnMatch" value="false"/>
    </module>
    <module name="RegexpMultiline">
        <property name="format" value="(?s:\r\n.*)"/>
        <property name="fileExtensions" value="java"/>
        <property name="message" value="Do not use Windows line endings"/>
    </module>
    
    <!-- Checks whether files end with a new line.                        -->
    <!-- See https://checkstyle.org/config_misc.html#NewlineAtEndOfFile -->
    <!--<module name="NewlineAtEndOfFile"/>-->
    
    <!-- Checks that property files contain the same keys.         -->
    <!-- See https://checkstyle.org/config_misc.html#Translation -->
    <module name="Translation"/>
    
    <!-- Checks for Size Violations.                    -->
    <!-- See https://checkstyle.org/config_sizes.html -->
    <module name="FileLength"/>
    
    <!-- Checks for whitespace                               -->
    <!-- See https://checkstyle.org/config_whitespace.html -->
    <module name="FileTabCharacter"/>
    
    <!-- Miscellaneous other checks.                   -->
    <!-- See https://checkstyle.org/config_misc.html -->
    <module name="RegexpSingleline">
        <property name="format" value="\*\s\s+$"/>
        <property name="minimum" value="0"/>
        <property name="maximum" value="0"/>
        <property name="message" value="Line has trailing spaces."/>
    </module>
    
    <!-- Checks for Headers                                -->
    <!-- See https://checkstyle.org/config_header.html   -->
    <module name="Header">
    <!--   <property name="headerFile" value="${checkstyle.header.file}"/> -->
        <property name="fileExtensions" value="java"/>
    </module>

    <module name="SuppressWarningsFilter"/>
    
    <module name="TreeWalker">
        <module name="SuppressWarningsHolder" />
        
        <!-- Checks for Javadoc comments.                     -->
        <!-- See https://checkstyle.org/config_javadoc.html -->
        <!--<module name="InvalidJavadocPosition"/>
        <module name="JavadocMethod"/>
        <module name="JavadocType"/>
        <module name="JavadocVariable"/>
        <module name="JavadocStyle"/>
        <module name="MissingJavadocMethod"/>
        -->
        <!-- Checks for Naming Conventions.                  -->
        <!-- See https://checkstyle.org/config_naming.html -->
        <module name="ConstantName">
        	<property name="format" value="^auditLogger|log(ger)?|[A-Z][A-Z0-9]*(_[A-Z0-9]+)*$"/>
		</module>
        <module name="LocalFinalVariableName"/>
        <module name="LocalVariableName"/>
        <module name="MemberName"/>
        <module name="MethodName"/>
        <module name="PackageName"/>
        <module name="ParameterName"/>
        <module name="StaticVariableName"/>
        <module name="TypeName"/>
        
        <!-- Checks for imports                              -->
        <!-- See https://checkstyle.org/config_import.html -->
        <module name="AvoidStarImport"/>
        <module name="IllegalImport"/>
        <!-- defaults to sun.* packages -->
        <module name="RedundantImport"/>
        <module name="UnusedImports">
            <property name="processJavadoc" value="false"/>
        </module>
        
        <!-- Checks for Size Violations.                    -->
        <!-- See https://checkstyle.org/config_sizes.html -->
        <module name="LineLength">
        	<property name="max" value="150"/>
        </module>
        <module name="MethodLength"/>
        <module name="ParameterNumber"/>
        
        <!-- Checks for whitespace                               -->
        <!-- See https://checkstyle.org/config_whitespace.html -->
        <module name="EmptyForIteratorPad"/>
        <module name="GenericWhitespace"/>
        <module name="MethodParamPad"/>
        <module name="NoWhitespaceAfter">
            <property name="tokens" value="INC,DEC,UNARY_MINUS,UNARY_PLUS,BNOT,LNOT,DOT,ARRAY_DECLARATOR"/>
        </module>
        <module name="NoWhitespaceBefore"/>
        <module name="OperatorWrap"/>
        <module name="ParenPad"/>
        <module name="TypecastParenPad"/>
        <module name="WhitespaceAfter"/>
        <module name="WhitespaceAround"/>
        
        <!-- Modifier Checks                                    -->
        <!-- See https://checkstyle.org/config_modifiers.html -->
        <module name="ModifierOrder"/>
        <!--<module name="RedundantModifier"/>-->
        
        <!-- Checks for blocks. You know, those {}'s         -->
        <!-- See https://checkstyle.org/config_blocks.html -->
        <module name="AvoidNestedBlocks"/>
        <module name="EmptyBlock"/>
        <module name="LeftCurly"/>
        <module name="NeedBraces"/>
        <module name="RightCurly"/>
        
        <!-- Checks for common coding problems               -->
        <!-- See https://checkstyle.org/config_coding.html -->
        <module name="EmptyStatement"/>
        <module name="EqualsHashCode"/>
        <module name="HiddenField" >
            <property name="ignoreSetter" value="true" />
            <property name="ignoreConstructorParameter" value="true" />
            <property name="tokens" value="VARIABLE_DEF"/>
        </module>
        <module name="IllegalInstantiation"/>
        <module name="InnerAssignment"/>
        <!--
        <module name="MagicNumber"/>
        -->
        <module name="MissingSwitchDefault"/>
        <module name="MultipleVariableDeclarations"/>
        <module name="SimplifyBooleanExpression"/>
        <module name="SimplifyBooleanReturn"/>
        
        <!-- Checks for class design                         -->
        <!-- See https://checkstyle.org/config_design.html -->
        <!--<module name="DesignForExtension"/>-->
        <!--
        <module name="FinalClass"/>
        -->
        <module name="HideUtilityClassConstructor"/>
        <module name="InterfaceIsType"/>
        <module name="VisibilityModifier">
            <property name="packageAllowed" value="true" />
            <property name="protectedAllowed" value="true" />
        </module>
        
        <!-- Miscellaneous other checks.                   -->
        <!-- See https://checkstyle.org/config_misc.html -->
        <module name="ArrayTypeStyle"/>
        <!--
        <module name="FinalParameters"/>
        -->
        <module name="TodoComment"/>
        <module name="UpperEll"/>
    </module>
</module>