checkstyle.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
###############################################################################
#
# Copyright IBM Corp. 2023
#
# Licensed under the Apache License 2.0 (the "License").  You may not use
# this file except in compliance with the License.  You can obtain a copy
# in the file LICENSE in the source distribution.
#
###############################################################################
-->
<!DOCTYPE module PUBLIC "-//Puppy Crawl//DTD Check Configuration 1.3//EN" "https://checkstyle.org/dtds/configuration_1_3.dtd">
<module name="Checker">
    <module name="TreeWalker">
        <property name="fileExtensions" value="java"/>
        <module name="UnusedImports"/>
        <module name="AvoidStarImport"/>
        <module name="RedundantImport"/>
        <module name="StringLiteralEquality"/>
        <module name="GenericWhitespace"/>
        <module name="Indentation">
            <property name="caseIndent" value="4"/>
            <property name="arrayInitIndent" value="8"/>
        </module>
        <module name="UnusedLocalVariable"/>
        <module name="EmptyBlock"/>
        <module name="ImportOrder"/>
    </module>
    <module name="NewlineAtEndOfFile"/>
    <module name="RegexpHeader">
        <property name="fileExtensions" value="java"/>
        <property name="header" value="^\W.*\n^.*Copyright IBM Corp\. \d\d\d\d\n^\W.*\n^\W.*. Licensed under the Apache License 2.0 \(the &quot;License&quot;\).  You may not use\n^\W.* this file except in compliance with the License.  You can obtain a copy\n^\W.* in the file LICENSE in the source distribution.\n^\W"/>
    </module>
    <module name="FileTabCharacter"/>
</module>