public Appender getAppender(int index) {
        if (index < 0 || index >= appenderList.size())
            return null;
        return appenderList.get(index);
    }
public Appender getAppender ( int index ) { if ( index < 0 || index >= appenderList . size ( ) ) return null ; return appenderList . get ( index ) ; }
Get the specified appender, starting at index = 0.

@param index the index of the appender.
@return the appender.