org.mortbay.start

Class Version

public class Version extends Object

Utility class for parsing and comparing version strings. JDK 1.1 compatible.

Author: Jan Hlavat}

Constructor Summary
	Version()
	Version(String version_string)

Method Summary
int	compare(Version other) Compares with other version.
boolean	isInRange(Version low, Version high) Check whether this verion is in range of versions specified
void	parse(String version_string) parses version string in the form version[.revision[.subrevision[extension]]] into this instance.
String	toString()

Constructor Detail

public Version()

public Version(String version_string)

public int compare(Version other)

Compares with other version. Does not take extension into account, as there is no reliable way to order them.

Returns: -1 if this is older version that other, 0 if its same version, 1 if it's newer version than other

public boolean isInRange(Version low, Version high)

Check whether this verion is in range of versions specified

public void parse(String version_string)

parses version string in the form version[.revision[.subrevision[extension]]] into this instance.

public String toString()

Returns: string representation of this version