Don't print metrics section if no metrics are available

git-svn-id: https://svn.apache.org/repos/asf/maven/plugins/trunk@367434 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/src/main/java/org/apache/maven/plugin/pmd/PmdReportListener.java b/src/main/java/org/apache/maven/plugin/pmd/PmdReportListener.java
index 43ccf9c..0674449 100644
--- a/src/main/java/org/apache/maven/plugin/pmd/PmdReportListener.java
+++ b/src/main/java/org/apache/maven/plugin/pmd/PmdReportListener.java
@@ -192,6 +192,11 @@
 

     private void processMetrics()

     {

+        if ( metrics.size() == 0 )

+        {

+            return;

+        }

+

         sink.section1();

         sink.sectionTitle1();

         sink.text( "Metrics" );