uk.ac.starlink.ttools.example

Class TapWriter

java.lang.Object

uk.ac.starlink.ttools.example.TapWriter

public class TapWriter
extends Object

Writes SQL ResultSets to VOTable with the INFO elements appropriate for TAP output. It's all streamed, so no appreciable amount of memory should be required, and a maximum record count can be imposed.

Since:

5 Feb 2013

Author:

Mark Taylor

Constructor Summary

Constructors

Constructor and Description
TapWriter(DataFormat dfmt, VOTableVersion version, long maxrec) Constructor.

Method Summary

Modifier and Type	Method and Description
static void	main(String[] args) Test harness.
void	writeVOTable(ResultSet rset, OutputStream ostrm) Writes a result set to an output stream as a VOTable.

Methods inherited from class java.lang.Object

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

Constructor Detail

TapWriter

public TapWriter(DataFormat dfmt,
                 VOTableVersion version,
                 long maxrec)

Constructor.

Parameters:

dfmt - selects VOTable serialization format (TABLEDATA, BINARY, BINARY2, FITS)

version - selects VOTable version

maxrec - maximum record count before overflow; negative value means no limit

Method Detail

writeVOTable

public void writeVOTable(ResultSet rset,
                         OutputStream ostrm)
                  throws IOException,
                         SQLException

Writes a result set to an output stream as a VOTable.

Parameters:

rset - result set

ostrm - destination stream

Throws:

IOException

SQLException

main

public static void main(String[] args)
                 throws IOException,
                        SQLException

Test harness. Run with -help for usage. Don't forget to put a JDBC driver on the classpath and set the system property jdbc.drivers.

Throws:

IOException

SQLException