org.ptolemy.commons

Class VersionSpecification

java.lang.Object

org.ptolemy.commons.VersionSpecification

All Implemented Interfaces:

java.io.Serializable, java.lang.Comparable<VersionSpecification>

Direct Known Subclasses:

ThreeDigitVersionSpecification

public abstract class VersionSpecification
extends java.lang.Object
implements java.lang.Comparable<VersionSpecification>, java.io.Serializable

Abstract base class for version specifications.

The most important thing for a version specification is that it can be compared to another one.

Versions can be specified in two formats : a simple 3-digit spec (+ qualifiers) or a code/tag (not yet ;-) ).

Since:

Ptolemy II 11.0

Version:

$Id$

Author:

ErwinDL

See Also:

Serialized Form

Pt.AcceptedRating:

Yellow (ErwinDL)

Pt.ProposedRating:

Yellow (ErwinDL)

Field Summary

Fields

Modifier and Type	Field and Description
protected java.lang.String	_versionString The version string.

Constructor Summary

Constructors

Constructor and Description
VersionSpecification()

Method Summary

Modifier and Type	Method and Description
static VersionSpecification	parse(java.lang.String version) Parses the given version String, using '.' , '-' , '_' as potential delimiters.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Comparable

compareTo

Field Detail

_versionString

protected java.lang.String _versionString

The version string.

Constructor Detail

VersionSpecification

public VersionSpecification()

Method Detail

parse

public static VersionSpecification parse(java.lang.String version)

Parses the given version String, using '.' , '-' , '_' as potential delimiters.

For 3-digit version spec, currently the only supported format, the first 3 version ids are mandatory and should be integer numbers. Extra (optional) trailing ids can be textual. Spaces are not allowed in a version string. E.g. "1.2_3-hello.world" is a valid version identifier.

Parameters:

version - The version

Returns:

the version specification based on the passed string representation

Throws:

java.lang.IllegalArgumentException - when the overall string format is not valid

java.lang.NumberFormatException - if one of the first 3 segments is not an integer