strman-java/etc/checkstyle.xml

<?xml version="1.0"?>
<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.2//EN" "http://www.puppycrawl.com/dtds/configuration_1_2.dtd">
<module name="com.puppycrawl.tools.checkstyle.Checker">
    <!-- Root Checks -->
    <module name="com.puppycrawl.tools.checkstyle.checks.NewlineAtEndOfFileCheck">
        <property name="lineSeparator" value="lf"/>
    </module>

    <module name="SuppressionFilter">
        <property name="file" value="etc/checkstyle-exclude.xml" />
    </module>

    <!-- TreeWalker Checks -->
    <module name="com.puppycrawl.tools.checkstyle.TreeWalker">
        <!-- Annotations -->
        <module name="com.puppycrawl.tools.checkstyle.checks.annotation.AnnotationUseStyleCheck">
            <property name="elementStyle" value="compact" />
        </module>
        <module name="com.puppycrawl.tools.checkstyle.checks.annotation.MissingOverrideCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.annotation.PackageAnnotationCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.annotation.AnnotationLocationCheck">
            <property name="allowSamelineSingleParameterlessAnnotation"
                      value="false" />
        </module>

        <!-- Block Checks -->
        <module name="com.puppycrawl.tools.checkstyle.checks.blocks.EmptyBlockCheck">
            <property name="option" value="text" />
        </module>
        <module name="com.puppycrawl.tools.checkstyle.checks.blocks.LeftCurlyCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.blocks.RightCurlyCheck">
            <property name="tokens" value="LITERAL_CATCH"/>
            <property name="option" value="alone" />
        </module>
        <module name="com.puppycrawl.tools.checkstyle.checks.blocks.NeedBracesCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.blocks.AvoidNestedBlocksCheck" />

        <!-- Class Design -->
        <module name="com.puppycrawl.tools.checkstyle.checks.design.FinalClassCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.design.InterfaceIsTypeCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.design.HideUtilityClassConstructorCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.design.MutableExceptionCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.design.InnerTypeLastCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.design.OneTopLevelClassCheck" />

        <!-- Coding -->
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.CovariantEqualsCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.EmptyStatementCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.EqualsHashCodeCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.InnerAssignmentCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.SimplifyBooleanExpressionCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.SimplifyBooleanReturnCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.StringLiteralEqualityCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.NestedForDepthCheck">
            <property name="max" value="3" />
        </module>
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.NestedIfDepthCheck">
            <property name="max" value="3" />
        </module>
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.NestedTryDepthCheck">
            <property name="max" value="3" />
        </module>
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.MultipleVariableDeclarationsCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.RequireThisCheck">
            <property name="checkMethods" value="false" />
            <property name="validateOnlyOverlapping" value="false" />
        </module>
        <module name="com.puppycrawl.tools.checkstyle.checks.coding.OneStatementPerLineCheck" />

        <!-- Imports -->
        <module name="com.puppycrawl.tools.checkstyle.checks.imports.AvoidStarImportCheck">
            <property name="excludes" value="javax.persistence, java.util.stream.Collectors, java.util.*,org.hamcrest.CoreMatchers, org.junit.Assert, strman.Strman"/>
        </module>
        <module name="com.puppycrawl.tools.checkstyle.checks.imports.IllegalImportCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.imports.RedundantImportCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.imports.UnusedImportsCheck">
            <property name="processJavadoc" value="true" />
        </module>
        <module name="com.puppycrawl.tools.checkstyle.checks.imports.ImportOrderCheck">
            <property name="groups" value="java,/^javax?\./,*" />
            <property name="ordered" value="true" />
            <property name="separated" value="true" />
            <property name="option" value="bottom" />
            <property name="sortStaticImportsAlphabetically" value="true" />
        </module>

        <!-- Miscellaneous -->
        <module name="com.puppycrawl.tools.checkstyle.checks.indentation.CommentsIndentationCheck">
            <property name="tokens" value="BLOCK_COMMENT_BEGIN"/>
        </module>
        <module name="com.puppycrawl.tools.checkstyle.checks.UpperEllCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.ArrayTypeStyleCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.OuterTypeFilenameCheck" />

        <!-- Modifiers -->
        <module name="com.puppycrawl.tools.checkstyle.checks.modifier.RedundantModifierCheck" />

        <!-- Regexp -->
        <module name="com.puppycrawl.tools.checkstyle.checks.regexp.RegexpSinglelineJavaCheck">
            <property name="maximum" value="0"/>
            <property name="format" value="org\.junit\.Assert\.assert" />
            <property name="message"
                      value="Please use AssertJ imports." />
            <property name="ignoreComments" value="true" />
        </module>
        <module name="com.puppycrawl.tools.checkstyle.checks.regexp.RegexpCheck">
            <property name="format" value="[ \t]+$" />
            <property name="illegalPattern" value="true" />
            <property name="message" value="Trailing whitespace" />
        </module>

        <!-- Whitespace -->
        <module name="com.puppycrawl.tools.checkstyle.checks.whitespace.GenericWhitespaceCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.whitespace.MethodParamPadCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.whitespace.NoWhitespaceAfterCheck" >
            <property name="tokens" value="BNOT, DEC, DOT, INC, LNOT, UNARY_MINUS, UNARY_PLUS, ARRAY_DECLARATOR"/>
        </module>
        <module name="com.puppycrawl.tools.checkstyle.checks.whitespace.NoWhitespaceBeforeCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.whitespace.ParenPadCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.whitespace.TypecastParenPadCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.whitespace.WhitespaceAfterCheck" />
        <module name="com.puppycrawl.tools.checkstyle.checks.whitespace.WhitespaceAroundCheck" />
    </module>
</module>