pmd-rules.xml

<?xml version="1.0"?>
<!-- TODO currently this isn't configured or used in by maven - do we want it? -->
<ruleset name="SpringRichRules">
    <description>Checks for bad usage of anonymous inner classes</description>
    <rule name="UsingAnonymousClassForListener" 
        message="Never use an anonymous inner class to implement a listener" 
        class="net.sourceforge.pmd.rules.XPathRule">
        <description>

        </description>
        <priority>3</priority>
        <example><![CDATA[
            ValueModel vm = ...
            vm.addValueChangeListener(new PropertyChangeListener() {
                public void propertyChange(PropertyChangeEvent evt) {
                    ...
                };
            });
        ]]></example>
        <properties>
            <property name="xpath">
                <value><![CDATA[ 
//PrimaryExpression
[
(
  	PrimaryPrefix/Name[(starts-with(@Image, 'add') or contains(@Image, '.add')) and ends-with(@Image, 'Listener')]  
or
	PrimarySuffix[(starts-with(@Image, 'add') or contains(@Image, '.add')) and ends-with(@Image, 'Listener')]  
)	
	and PrimarySuffix/Arguments/ArgumentList/Expression/PrimaryExpression/PrimaryPrefix/AllocationExpression
]
                ]]></value>
            </property>
        </properties>        
    </rule>
</ruleset>