| java.lang.Object
 org.geotools.dbffile.DbfFile
| DbfFile | | public class DbfFile implements DbfConsts(Code) | | This class represents a DBF (or DBase) file.
Construct it with a filename (including the .dbf)
this causes the header and field definitions to be read.
Later queries return rows or columns of the database.
author:
Ian Turton Centre for
author:
Computaional Geography, University of Leeds, LS2 9JT, 1998. |
| Inner Class :class DbfFileHeader | |
| Constructor Summary | |
| protected | DbfFile()
| | public | DbfFile(String file)
Constructor, opens the file and reads the header infomation. |
| DEBUG | | final static boolean DEBUG(Code) | | |
| data_offset | | int data_offset(Code) | | |
| last_update_d | | int last_update_d(Code) | | |
| last_update_m | | int last_update_m(Code) | | |
| last_update_y | | int last_update_y(Code) | | |
| DbfFile | | protected DbfFile()(Code) | | |
| GetNextDbfRec | | public StringBuffer GetNextDbfRec() throws java.io.IOException(Code) | | gets the next record and returns it as a string. This method works on
a sequential stream and can not go backwards. Only useful if you want
to read the whole file in one.
exception:
java.io.IOException - on read error. |
| ParseRecord | | public Vector ParseRecord(StringBuffer rec)(Code) | | Parses the record stored in the StringBuffer rec into a vector of
objects
Parameters:
rec - the record to be parsed. |
| getFileSize | | public int getFileSize()(Code) | | Returns the size of the database file.
|
| getFloatCol | | public Double[] getFloatCol(int col, int start, int end) throws DbfFileException, java.io.IOException(Code) | | Fetches a part column of Double from the database file.
Parameters:
col - - the column to fetch
Parameters:
start - - the row to start fetching from
Parameters:
end - - the row to stop fetching at.
exception:
java.io.IOException - - on read error
exception:
DbfFileException - - column is not an Integer. |
| getIntegerCol | | public Integer[] getIntegerCol(int col, int start, int end) throws java.io.IOException, DbfFileException(Code) | | Fetches a part column of Integers from the database file.
Parameters:
col - - the column to fetch
Parameters:
start - - the row to start fetching from
Parameters:
end - - the row to stop fetching at.
exception:
java.io.IOException - - on read error
exception:
DbfFileException - - column is not an Integer. |
| getLastRec | | public int getLastRec()(Code) | | Returns the number of records in the database file.
|
| getLastUpdate | | public String getLastUpdate()(Code) | | Returns the date of the last update of the file as a string.
|
| getNumFields | | public int getNumFields()(Code) | | Returns the number of fields in the records in the database file.
|
| getRecSize | | public int getRecSize()(Code) | | Returns the size of the records in the database file.
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