com.javadocking.util
Class JvmVersionUtil

java.lang.Object
  com.javadocking.util.JvmVersionUtil

public class JvmVersionUtil
extends java.lang.Object

This class determines the version of the Java Virtual Machine.

Author:

Heidi Rakels.

Field Summary

static int	VERSION_3_OR_LESS The integer for java 1.3 versions of the JVM.
static int	VERSION_4_or_5 The integer for java 5 versions of the JVM.
static int	VERSION_6_OR_MORE The integer for java 6 versions of the JVM.

Method Summary

static int

getVersion() Gets the version of the JVM.

Methods inherited from class java.lang.Object

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

Field Detail

VERSION_3_OR_LESS

public static final int VERSION_3_OR_LESS

The integer for java 1.3 versions of the JVM.

See Also:

Constant Field Values

VERSION_4_or_5

public static final int VERSION_4_or_5

The integer for java 5 versions of the JVM.

See Also:

Constant Field Values

VERSION_6_OR_MORE

public static final int VERSION_6_OR_MORE

The integer for java 6 versions of the JVM.

See Also:

Constant Field Values

Method Detail

getVersion

public static int getVersion()

Gets the version of the JVM.

Returns:

The integer that corresponds with the version of the JVM. This can be VERSION_3_OR_LESS,VERSION_4_or_5, VERSION_6_OR_MORE.

Throws:

java.lang.IllegalStateException - If the system property java.version does not start with a x.x. x should be a number.