question: protected void deleteSunXmlKeyValFiles ( File dirHandle ) throws SMSException { StringBuilder sb = new StringBuilder ( SMSEntry . ATTR_XML_KEYVAL ) ; sb . append ( "=*" ) ; FilenameFilter filter = new FilenameFilter ( sb . toString ( ) ) ; File [ ] deleteFiles = dirHandle . listFiles ( filter ) ; for ( int i = 0 ; deleteFiles != null && i < deleteFiles . length ; i ++ ) { File deleteFile = deleteFiles [ i ] ; deleteFile . delete ( ) ; } }
target:  Delete sunxmlkeyvalue files under the given directory.