opens the file for reading concode_field_sep String fileName concode_elem_sep GenericData gendata concode_elem_sep FileInputStream fileStream concode_field_sep void readFileHeader concode_elem_sep String getFilename concode_elem_sep int getDataGroupCnt concode_elem_sep void readFileHeaderMinDP concode_elem_sep void readHeader concode_elem_sep void close concode_elem_sep void readFileHeaderNoDataGroupHeader concode_elem_sep void open concode_elem_sep void open concode_elem_sep void setFilename
void function ( ) { try { fileStream = new FileInputStream ( fileName ) ; } catch ( Throwable loc0 ) { throw new FileNotFoundException ( ) ; } }