| java.lang.Object
 com.sqlmagic.tinysql.DBFHeader
| DBFHeader | | public class DBFHeader (Code) | | dBase III header read/write access (bytes 0 - 31)
The column definitions are not read
author:
Brian Jepson
author:
Marcel Ruff Added write access to dBase and JDK 2 support |
| BULK_SIZE | | final static int BULK_SIZE(Code) | | |
| DATE_INDEX | | final static int DATE_INDEX(Code) | | |
| FLAG_INDEX | | final static int FLAG_INDEX(Code) | | |
| LENGTH_OF_HEADER_INDEX | | final static int LENGTH_OF_HEADER_INDEX(Code) | | |
| LENGTH_OF_REC_INDEX | | final static int LENGTH_OF_REC_INDEX(Code) | | |
| NUMBER_OF_REC_INDEX | | final static int NUMBER_OF_REC_INDEX(Code) | | |
| RESERVED_INDEX | | final static int RESERVED_INDEX(Code) | | |
| file_type | | short file_type(Code) | | |
| file_update_day | | short file_update_day(Code) | | |
| file_update_month | | short file_update_month(Code) | | |
| file_update_year | | short file_update_year(Code) | | |
| headerLength | | int headerLength(Code) | | |
| numRecords | | int numRecords(Code) | | |
| recordLength | | int recordLength(Code) | | |
| DBFHeader | | DBFHeader(RandomAccessFile ff) throws tinySQLException(Code) | | Constructs a DBFHeader, read the data from file
You need to supply an open file handle to read from
Parameters:
ff - open file handle for read access |
| DBFHeader | | DBFHeader(int numFields, int recordLength) throws tinySQLException(Code) | | Constructs a DBFHeader, read the data from file
You need to supply an open file handle to read from
Parameters:
numFields - number of Columns
Parameters:
recordLength - sum of all column.size plus 1 byte (delete flag) |
| setHeaderLength | | public void setHeaderLength(RandomAccessFile ff, int numFields) throws tinySQLException(Code) | | Update the header (index 8-9) with the new number of records
Parameters:
numFields - number of columns (used to calculate header length) |
| setNumRecords | | public void setNumRecords(RandomAccessFile ff, int numRecords) throws tinySQLException(Code) | | Update the header (index 4-7) with the new number of records
Parameters:
New - number of records |
| setRecordLength | | public void setRecordLength(RandomAccessFile ff, int recordLength) throws tinySQLException(Code) | | Update the header (index 10-11) with the length of one record
Parameters:
recordLength - Length of one data record (row) |
| setReserved | | public void setReserved(RandomAccessFile ff) throws tinySQLException(Code) | | Update the header (index 10-11) with the length of one record
Parameters:
recordLength - Length of one data record (row) |
| writeNumRecords | | public static void writeNumRecords(RandomAccessFile ff, int numRecords) throws tinySQLException(Code) | | Update the header (index 4-7) with the new number of records
This is the static variant (use it if you don't want to obtain
a DBFHeader instance
Parameters:
New - number of records |
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