Package ca.spatial.table

Class DBFWriter

java.lang.Object

ca.spatial.table.DBFWriter

public class DBFWriter
extends Object

A class to export a table to a DBF file.

The prefered use of this class is to use the export(java.lang.String, ca.spatial.table.AttributeStore, int, java.lang.String) method.

Constructor Summary

Constructors

Constructor	Description
DBFWriter(AttributeStore source, ArrayList<DBFColumnSpec> defs, String filename)	Set up an new DBF writing object.

Method Summary

Modifier and Type	Method	Description
void	close()	Close the DBF file.
static void	export(String name, AttributeStore source, int period, String reselect)	Export the table to a DBF file of the given name.
static void	export(String name, AttributeStore source, String[] columns, int[] remap, int period, String reselect)	Export the table to a DBF file of the given name.
static void	export(String filename, AttributeStore source, String[] columns, int[] remap, int period, String reselect, Observer obs)
static void	export(String filename, AttributeStore source, ArrayList<DBFColumnSpec> defs, int[] remap, int period, String reselect, Observer obs)
static DBFWriter	getDBFWriter(String filename, AttributeStore source)
static boolean	validateDef(AttributeStore source, DBFColumnSpec d)
static boolean	validateDefs(AttributeStore source, ArrayList<DBFColumnSpec> defs)
void	write(int row, int period)	Write the next sequential row out to the DBF file.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

DBFWriter

public DBFWriter(AttributeStore source,
 ArrayList<DBFColumnSpec> defs,
 String filename)
          throws IOException,
ParseException

Set up an new DBF writing object. This can then be used with the write(int, int) method to populate a DBF file.

Parameters:

source - A schema for the attributes to be copied.

defs - A list of columns to be copied.

filename - The file name to be given to the output DBF file.

Throws:

IOException

ParseException

Method Details

getDBFWriter

public static DBFWriter getDBFWriter(String filename,
 AttributeStore source)
                              throws IOException,
ParseException

Throws:

IOException

ParseException

export

public static void export(String name,
 AttributeStore source,
 int period,
 String reselect)
                   throws IOException,
ParseException

Export the table to a DBF file of the given name.

Throws:

IOException

ParseException

export

public static void export(String name,
 AttributeStore source,
 String[] columns,
 int[] remap,
 int period,
 String reselect)
                   throws IOException,
ParseException

Export the table to a DBF file of the given name.

Throws:

IOException

ParseException

export

public static void export(String filename,
 AttributeStore source,
 String[] columns,
 int[] remap,
 int period,
 String reselect,
 Observer obs)
                   throws IOException,
ParseException

Throws:

IOException

ParseException

export

public static void export(String filename,
 AttributeStore source,
 ArrayList<DBFColumnSpec> defs,
 int[] remap,
 int period,
 String reselect,
 Observer obs)
                   throws IOException,
ParseException

Throws:

IOException

ParseException

write

public void write(int row,
 int period)
           throws IOException

Write the next sequential row out to the DBF file. The values for the row will be taken from the attribute store at the specified row and time period.

Throws:

IOException

close

public void close()
           throws IOException

Close the DBF file.

Throws:

IOException

validateDefs

public static boolean validateDefs(AttributeStore source,
 ArrayList<DBFColumnSpec> defs)

validateDef

public static boolean validateDef(AttributeStore source,
 DBFColumnSpec d)