pmd-custom-rules.xml

<?xml version="1.0"?>
<ruleset name="Custom Rules"
         xmlns="http://pmd.sourceforge.net/ruleset/2.0.0"
         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://pmd.sourceforge.net/ruleset/2.0.0 https://pmd.sourceforge.io/ruleset_2_0_0.xsd">
    <description>
        Custom Rules
    </description>
    <rule ref="category/java/bestpractices.xml">
        <exclude name="GuardLogStatement"/>
    </rule>
    <rule ref="category/java/codestyle.xml">
        <exclude name="AtLeastOneConstructor"/>
        <exclude name="CommentDefaultAccessModifier"/>
        <exclude name="MethodArgumentCouldBeFinal"/>
        <exclude name="LocalVariableCouldBeFinal"/>
        <exclude name="LongVariable"/>
        <exclude name="OnlyOneReturn"/>
        <exclude name="UnnecessaryAnnotationValueElement"/>
    </rule>
    <rule ref="category/java/codestyle.xml/ShortVariable">
        <properties>
            <property name="xpath">
                <value>
                    //VariableDeclaratorId[(string-length(@Image) &lt; 3) and (not (@Image='id')) and (not
                    (@Image='em'))]
                    [not(ancestor::ForInit)]
                    [not((ancestor::FormalParameter) and (ancestor::TryStatement))]
                    [not(ancestor::LambdaExpression)]
                </value>
            </property>
        </properties>
    </rule>
    <rule ref="category/java/design.xml">
        <exclude name="ExcessiveImports"/>
        <exclude name="LawOfDemeter"/>
    </rule>
    <rule ref="category/java/documentation.xml/UncommentedEmptyConstructor"/>
    <rule ref="category/java/documentation.xml/UncommentedEmptyMethodBody"/>
    <rule ref="category/java/errorprone.xml">
        <exclude name="BeanMembersShouldSerialize"/>
        <exclude name="DataflowAnomalyAnalysis"/>
        <exclude name="NullAssignment"/>
        <exclude name="MissingSerialVersionUID"/>
    </rule>
    <rule ref="category/java/multithreading.xml">
        <exclude name="UseConcurrentHashMap"/>
    </rule>
    <rule ref="category/java/performance.xml"/>
    <rule ref="category/java/security.xml"/>
</ruleset>