com.sun.enterprise.util

Class JDK

java.lang.Object

com.sun.enterprise.util.JDK

public final class JDK
extends Object

A simple class that fills a hole in the JDK. It parses out the version numbers of the JDK we are running. Example:

1.6.0_u14 == major = 1 minor = 6, subminor = 0, update = 14

Author:

bnevins

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	JDK.Version

Constructor Summary

Constructors

Constructor and Description
JDK()

Method Summary

Modifier and Type	Method and Description
static int	getMajor()
static int	getMinor()
static int	getSubMinor()
static int	getUpdate()
static JDK.Version	getVersion()
static JDK.Version	getVersion(String string)
static boolean	isCorrectJDK(Optional<JDK.Version> minVersion, Optional<JDK.Version> maxVersion)
static boolean	isCorrectJDK(Optional<JDK.Version> reference, Optional<JDK.Version> minVersion, Optional<JDK.Version> maxVersion) Check if the reference version falls between the minVersion and maxVersion.
static boolean	ok() See if the current JDK is legal for running GlassFish
static String	toStringStatic() No instances are allowed so it is pointless to override toString

Methods inherited from class java.lang.Object

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

Constructor Detail

JDK

public JDK()

Method Detail

ok

public static boolean ok()

See if the current JDK is legal for running GlassFish

Returns:

true if the JDK is >= 1.6.0

getMajor

public static int getMajor()

getMinor

public static int getMinor()

getSubMinor

public static int getSubMinor()

getUpdate

public static int getUpdate()

getVersion

public static JDK.Version getVersion(String string)

getVersion

public static JDK.Version getVersion()

isCorrectJDK

public static boolean isCorrectJDK(Optional<JDK.Version> minVersion,
                                   Optional<JDK.Version> maxVersion)

isCorrectJDK

public static boolean isCorrectJDK(Optional<JDK.Version> reference,
                                   Optional<JDK.Version> minVersion,
                                   Optional<JDK.Version> maxVersion)

Check if the reference version falls between the minVersion and maxVersion.

Parameters:

reference - The version to compare; falls back to the current JDK version if empty.

minVersion - The inclusive minimum version.

maxVersion - The inclusive maximum version.

Returns:

true if within the version range, false otherwise

toStringStatic

public static String toStringStatic()

No instances are allowed so it is pointless to override toString

Returns:

Parsed version numbers