sun.text.normalizer
Class VersionInfo

java.lang.Object
  sun.text.normalizer.VersionInfo

public final class VersionInfo
extends Object

Class to store version numbers of the form major.minor.milli.micro.

Method Summary

int	compareTo(VersionInfo other) Compares other with this VersionInfo.
static VersionInfo	getInstance(int major, int minor, int milli, int micro) Returns an instance of VersionInfo with the argument version.
static VersionInfo	getInstance(String version) Returns an instance of VersionInfo with the argument version.

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static VersionInfo getInstance(String version)

Returns an instance of VersionInfo with the argument version.

Parameters:

version - version String in the format of "major.minor.milli.micro" or "major.minor.milli" or "major.minor" or "major", where major, minor, milli, micro are non-negative numbers <= 255. If the trailing version numbers are not specified they are taken as 0s. E.g. Version "3.1" is equivalent to "3.1.0.0".

Returns:

an instance of VersionInfo with the argument version.

Throws:

throws - an IllegalArgumentException when the argument version is not in the right format

getInstance

public static VersionInfo getInstance(int major,
                                      int minor,
                                      int milli,
                                      int micro)

Returns an instance of VersionInfo with the argument version.

Parameters:

major - major version, non-negative number <= 255.

minor - minor version, non-negative number <= 255.

milli - milli version, non-negative number <= 255.

micro - micro version, non-negative number <= 255.

Throws:

throws - an IllegalArgumentException when either arguments are negative or > 255

compareTo

public int compareTo(VersionInfo other)

Compares other with this VersionInfo.

Parameters:

other - VersionInfo to be compared

Returns:

0 if the argument is a VersionInfo object that has version information equals to this object. Less than 0 if the argument is a VersionInfo object that has version information greater than this object. Greater than 0 if the argument is a VersionInfo object that has version information less than this object.