uk.ac.starlink.ttools.votlint

Class VersionDetector

java.lang.Object

uk.ac.starlink.ttools.votlint.VersionDetector

public class VersionDetector
extends Object

Determines the version of a VOTable document.

Since:

20 Nov 2012

Author:

Mark Taylor

Constructor Summary

Constructors

Constructor and Description
VersionDetector()

Method Summary

Modifier and Type	Method and Description
static String	getVersionString(BufferedInputStream in) Determines the reported version of a VOTable document contained in an input stream.
static void	main(String[] args) Prints out the version number of a VOTable file presented on standard input.

Methods inherited from class java.lang.Object

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

Constructor Detail

VersionDetector

public VersionDetector()

Method Detail

getVersionString

public static String getVersionString(BufferedInputStream in)
                               throws IOException

Determines the reported version of a VOTable document contained in an input stream. The attributes on the first encountered VOTABLE start tag are used. A "version" attribute is used if available, otherwise the namespacing attributes are trawled. Mark/reset is used; whether a version string is identified or not, the stream is reset to the starting position on exit.

Parameters:

in - input stream

Returns:

declared version string, or null if none can be found

Throws:

IOException

main

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

Prints out the version number of a VOTable file presented on standard input.

Throws:

IOException