Add rule to allow in-line suppression of specific

checkstyle rules.
This will allow code that is kept for backward
compatible reasons to be marked in the code, and
ignored in the checkstyle report.


git-svn-id: https://svn.apache.org/repos/asf/ant/core/trunk@471559 13f79535-47bb-0310-9956-ffa450edef68

src/etc/checkstyle/checkstyle-config

@@ -104,6 +104,13 @@
     </module>
     <module name="TodoComment"/>
     <module name="UpperEll"/>
+    <!-- allow comment suppression of checks -->
+    <module name="FileContentsHolder"/>
   </module>
   <!-- <module name="au.com.redhillconsulting.simian.SimianCheck"/> -->
+  <module name="SuppressionCommentFilter">
+    <property name="offCommentFormat" value="CheckStyle\:([\w\|]+) *OFF"/>
+    <property name="onCommentFormat" value="CheckStyle\:([\w\|]+) *ON"/>
+    <property name="checkFormat" value="$1"/>
+  </module>
 </module>