code: public boolean isSuffixExportable(String resourceName) {
  
          if (resourceName == null) {
              return false;
          }
          int pos = resourceName.lastIndexOf('.');
          if (pos >= 0) {
              String suffix = resourceName.substring(pos).toLowerCase();
              return m_exportSuffixes.contains(suffix);
          }
          return false;
      }
docs: Returns true if the given resource name is exportable because of it's suffix.<p>
  
  @param resourceName the name to check
  @return true if the given resource name is exportable because of it's suffix