pmd-ruleset.xml

<?xml version="1.0" encoding="UTF-8"?>
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<ruleset name="Maven PMD Plugin Ruleset"
         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 http://pmd.sourceforge.net/ruleset_2_0_0.xsd">

    <description>Default PMD Rules for Apache NiFi API</description>

    <rule ref="category/java/bestpractices.xml/AvoidMessageDigestField" />
    <rule ref="category/java/bestpractices.xml/AvoidReassigningCatchVariables" />
    <rule ref="category/java/bestpractices.xml/DoubleBraceInitialization" />
    <rule ref="category/java/bestpractices.xml/ExhaustiveSwitchHasDefault" />
    <rule ref="category/java/bestpractices.xml/ForLoopCanBeForeach" />
    <rule ref="category/java/bestpractices.xml/LooseCoupling" />
    <rule ref="category/java/bestpractices.xml/MissingOverride" />
    <rule ref="category/java/bestpractices.xml/PrimitiveWrapperInstantiation" />
    <rule ref="category/java/bestpractices.xml/SimplifiableTestAssertion" />
    <rule ref="category/java/bestpractices.xml/UnusedPrivateField" />
    <rule ref="category/java/bestpractices.xml/UnnecessaryVarargsArrayCreation" />
    <rule ref="category/java/bestpractices.xml/UnusedLocalVariable" />
    <rule ref="category/java/bestpractices.xml/UseCollectionIsEmpty" />
    <rule ref="category/java/bestpractices.xml/UseStandardCharsets" />

    <rule ref="category/java/codestyle.xml/AvoidDollarSigns" />
    <rule ref="category/java/codestyle.xml/ExtendsObject" />
    <rule ref="category/java/codestyle.xml/IdenticalCatchBranches" />
    <rule ref="category/java/codestyle.xml/ForLoopShouldBeWhileLoop" />
    <rule ref="category/java/codestyle.xml/UnnecessaryConstructor" />
    <rule ref="category/java/codestyle.xml/UnnecessaryImport" />
    <rule ref="category/java/codestyle.xml/UnnecessaryModifier" />
    <rule ref="category/java/codestyle.xml/UnnecessarySemicolon" />
    <rule ref="category/java/codestyle.xml/UseDiamondOperator" />
    <rule ref="category/java/codestyle.xml/UseExplicitTypes" />

    <rule ref="category/java/errorprone.xml/AvoidAssertAsIdentifier" />
    <rule ref="category/java/errorprone.xml/AvoidDecimalLiteralsInBigDecimalConstructor" />
    <rule ref="category/java/errorprone.xml/AvoidMultipleUnaryOperators" />
    <rule ref="category/java/errorprone.xml/AvoidUsingOctalValues" />
    <rule ref="category/java/errorprone.xml/BrokenNullCheck" />
    <rule ref="category/java/errorprone.xml/CheckSkipResult" />
    <rule ref="category/java/errorprone.xml/ClassCastExceptionWithToArray" />
    <rule ref="category/java/errorprone.xml/DontUseFloatTypeForLoopIndices" />
    <rule ref="category/java/errorprone.xml/EmptyCatchBlock" />
    <rule ref="category/java/errorprone.xml/ImplicitSwitchFallThrough" />
    <rule ref="category/java/errorprone.xml/JumbledIncrementer" />
    <rule ref="category/java/errorprone.xml/MisplacedNullCheck" />
    <rule ref="category/java/errorprone.xml/ReturnFromFinallyBlock" />
    <rule ref="category/java/errorprone.xml/UnconditionalIfStatement" />
    <rule ref="category/java/errorprone.xml/UnnecessaryConversionTemporary" />

    <rule ref="category/java/multithreading.xml/AvoidThreadGroup" />
    <rule ref="category/java/multithreading.xml/DontCallThreadRun" />
    <rule ref="category/java/multithreading.xml/DoubleCheckedLocking" />
    <rule ref="category/java/multithreading.xml/UnsynchronizedStaticFormatter" />

    <rule ref="category/java/performance.xml/BigIntegerInstantiation" />
    <rule ref="category/java/performance.xml/InefficientEmptyStringCheck" />
    <rule ref="category/java/performance.xml/StringInstantiation" />
    <rule ref="category/java/performance.xml/StringToString" />
    <rule ref="category/java/performance.xml/TooFewBranchesForSwitch">
        <properties>
            <property name="minimumNumberCaseForASwitch" value="2" />
        </properties>
    </rule>
    <rule ref="category/java/performance.xml/UselessStringValueOf" />
    <rule ref="category/java/performance.xml/UseStringBufferForStringAppends" />
</ruleset>