net.sf.saxon.style

Class PackageVersion

java.lang.Object

net.sf.saxon.style.PackageVersion

All Implemented Interfaces:

Comparable

public class PackageVersion
extends Object
implements Comparable

A class to represent an XSLT package version such as 1.12.5 or 3.0-alpha

This implements the semantics given in http://www.w3.org/TR/xslt-30/#package-versions, where a series of dot-separated integers may be followed optionally by '-'NCName

Field Summary

Fields

Modifier and Type	Field and Description
static PackageVersion	MAX_VALUE
static PackageVersion	ONE_ZERO
List<Integer>	parts
String	suffix
static PackageVersion	ZERO

Constructor Summary

Constructors

Constructor and Description
PackageVersion(int[] values) Return a package version defined by a fixed sequence of int values, which implies no suffix
PackageVersion(String s) Generate a package version from a string description

Method Summary

Methods

Modifier and Type	Method and Description
int	compareTo(Object o)
boolean	equals(Object o)
String	getStringValue()
boolean	isPrefix(PackageVersion v) Tests whether this package version is a prefix (i.e.

Methods inherited from class java.lang.Object

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

Field Detail

parts

public List<Integer> parts

suffix

public String suffix

ZERO

public static PackageVersion ZERO

ONE_ZERO

public static PackageVersion ONE_ZERO

MAX_VALUE

public static PackageVersion MAX_VALUE

Constructor Detail

PackageVersion

public PackageVersion(int[] values)

Return a package version defined by a fixed sequence of int values, which implies no suffix

Parameters:

values - the sequence of integer components

PackageVersion

public PackageVersion(String s)
               throws XPathException

Generate a package version from a string description

Parameters:

s - The input string describing the package version according to the grammar given at: http://www.w3.org/TR/xslt-30/#package-versions

Throws:

XPathException

Method Detail

equals

public boolean equals(Object o)

Overrides:

equals in class Object

compareTo

public int compareTo(Object o)

Specified by:

compareTo in interface Comparable

getStringValue

public String getStringValue()

isPrefix

public boolean isPrefix(PackageVersion v)

Tests whether this package version is a prefix (i.e. shares all its components in order) of another package version, and thus this version.* should match it.

Parameters:

v - The version to be checked that it is equal, or 'extends' this version

Returns:

true if this is a prefix, false if not.