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Add EnumComparison #114

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Add EnumComparison #114

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19 changes: 19 additions & 0 deletions src/main/resources/net/sourceforge/pmd/pmd-dogfood-config.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -666,4 +666,23 @@
</property>
</properties>
</rule>

<!-- https://github.com/pmd/pmd/issues/6193 -->
<rule name="EnumComparison"
language="java"
since="36"
message="Use == to compare enum values"
class="net.sourceforge.pmd.lang.rule.xpath.XPathRule">
<description>Enum should be compared using ==, this is more readable. Using equals() is not necessary (and is prone to NPE).</description>
<priority>1</priority>
<properties>
<property name="xpath">
<value><![CDATA[
//MethodCall[pmd-java:matchesSig("_#equals(java.lang.Object)")]
[*[pmd-java:typeIs("java.lang.Enum")] or
ArgumentList[*[pmd-java:typeIs("java.lang.Enum")]]]
]]></value>
</property>
</properties>
</rule>
</ruleset>