org.datanucleus.util

Class JavaUtils

java.lang.Object

org.datanucleus.util.JavaUtils

public class JavaUtils
extends Object

Utilities relating to the version of Java in use at runtime.

Constructor Summary

Constructors

Constructor and Description
JavaUtils()

Method Summary

Methods

Modifier and Type	Method and Description
static int	getJREMajorVersion() Accessor for the major version number of the JRE.
static int	getJREMinorVersion() Accessor for the minor version number of the JRE.
static boolean	isEqualsThan(String version) Check if the current version is equals than the argument version.
static boolean	isGreaterEqualsThan(String version) Check if the current version is greater or equals than the argument version.
static boolean	isJRE1_5OrAbove() Accessor for whether the JRE is 1.5 (or above).
static boolean	isJRE1_6OrAbove() Accessor for whether the JRE is 1.6 (or above).
static boolean	isJRE1_6OrBelow() Accessor for whether the JRE is 1.6 or below.
static boolean	isJRE1_7OrAbove() Accessor for whether the JRE is 1.7 (or above).
static boolean	useStackMapFrames()

Methods inherited from class java.lang.Object

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

Constructor Detail

JavaUtils

public JavaUtils()

Method Detail

isJRE1_5OrAbove

public static boolean isJRE1_5OrAbove()

Accessor for whether the JRE is 1.5 (or above).

Returns:

Whether the JRE is 1.5 or above

isJRE1_6OrAbove

public static boolean isJRE1_6OrAbove()

Accessor for whether the JRE is 1.6 (or above).

Returns:

Whether the JRE is 1.6 or above

useStackMapFrames

public static boolean useStackMapFrames()

isJRE1_6OrBelow

public static boolean isJRE1_6OrBelow()

Accessor for whether the JRE is 1.6 or below.

Returns:

Whether the JRE is 1.6 or below

isJRE1_7OrAbove

public static boolean isJRE1_7OrAbove()

Accessor for whether the JRE is 1.7 (or above).

Returns:

Whether the JRE is 1.7 or above

getJREMajorVersion

public static int getJREMajorVersion()

Accessor for the major version number of the JRE.

Returns:

The major version number of the JRE

getJREMinorVersion

public static int getJREMinorVersion()

Accessor for the minor version number of the JRE.

Returns:

The minor version number of the JRE

isGreaterEqualsThan

public static boolean isGreaterEqualsThan(String version)

Check if the current version is greater or equals than the argument version.

Parameters:

version - the version

Returns:

true if the runtime version is greater equals than the argument

isEqualsThan

public static boolean isEqualsThan(String version)

Check if the current version is equals than the argument version.

Parameters:

version - the version

Returns:

true if the runtime version is equals than the argument