org.apache.flex.utils

Class Version

java.lang.Object

org.apache.flex.utils.Version

All Implemented Interfaces:

Comparable<Version>

public class Version
extends Object
implements Comparable<Version>

Represents a four-part version number, such as 4.5.12.12345.

The second, third, and fourth parts, representing a minor version, a bug-fix version, and a build version, are optional. When comparing versions, a missing part is considered to be 0.

Constructor Summary

Constructors

Constructor and Description
Version(int major) Constructs a new Version instance with one part.
Version(Integer major, Integer minor, Integer bugFix, Integer build) Constructs a new Version instance with all four parts.
Version(int major, int minor) Constructs a new Version instance with two parts.
Version(int major, int minor, int bugFix) Constructs a new Version instance with three parts.
Version(String versionString) Constructs a new Version instance from a one-, two-, three-, or four-part dotted version string.

Method Summary

Methods

Modifier and Type	Method and Description
int	compareBugFixVersionTo(Version other) Compares this Version to another, considering only the major, minor, and bug-fix parts.
int	compareMajorVersionTo(Version other) Compares this Version to another, considering only the major part.
int	compareMinorVersionTo(Version other) Compares this Version to another, considering only the major and minor parts.
int	compareTo(Version other)
Integer	getBugFix() Gets the bug-fix version number.
Integer	getBuild() Gets the build version number.
String	getDisplayString() Converts this Version to a string for display.
Integer	getMajor() Gets the major version number.
Integer	getMinor() Gets the minor version number number.
String	toString()

Methods inherited from class java.lang.Object

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

Constructor Detail

Version

public Version(Integer major,
       Integer minor,
       Integer bugFix,
       Integer build)

Constructs a new Version instance with all four parts.

Parameters:

major - The major version number.

minor - The minor version number.

bugFix - The bug-fix version number.

build - The build version number or null.

Version

public Version(int major,
       int minor,
       int bugFix)

Constructs a new Version instance with three parts.

Parameters:

major - The major version number.

minor - The minor version number or null.

bugFix - The bug-fix version number or null.

Version

public Version(int major,
       int minor)

Constructs a new Version instance with two parts.

Parameters:

major - The major version number.

minor - The minor version number or null.

Version

public Version(int major)

Constructs a new Version instance with one part.

Parameters:

major - The major version number.

Version

public Version(String versionString)

Constructs a new Version instance from a one-, two-, three-, or four-part dotted version string.

Method Detail

toString

public String toString()

Overrides:

toString in class Object

compareTo

public int compareTo(Version other)

Specified by:

compareTo in interface Comparable<Version>

getMajor

public Integer getMajor()

Gets the major version number.

Returns:

An Integer for the major version.

getMinor

public Integer getMinor()

Gets the minor version number number.

Returns:

An Integer for the minor version or null.

getBugFix

public Integer getBugFix()

Gets the bug-fix version number.

Returns:

An Integer for the bug-fix version or null.

getBuild

public Integer getBuild()

Gets the build version number.

Returns:

An Integer for the build version or null.

getDisplayString

public String getDisplayString()

Converts this Version to a string for display.

Null parts of the version are not displayed.

Returns:

A String such as "1.2".

compareMajorVersionTo

public int compareMajorVersionTo(Version other)

Compares this Version to another, considering only the major part.

Parameters:

other - Another Version object.

Returns:

1 if greater, -1 if lesser, 0 if equal

compareMinorVersionTo

public int compareMinorVersionTo(Version other)

Compares this Version to another, considering only the major and minor parts.

Parameters:

other - Another Version object.

Returns:

1 if greater, -1 if lesser, 0 if equal

compareBugFixVersionTo

public int compareBugFixVersionTo(Version other)

Compares this Version to another, considering only the major, minor, and bug-fix parts.

Parameters:

other - Another Version object.

Returns:

1 if greater, -1 if lesser, 0 if equal