Package org.eclipse.jetty.util

Class JavaVersion

java.lang.Object

org.eclipse.jetty.util.JavaVersion

public class JavaVersion
extends Object

Java Version Utility class.

Parses java versions to extract a consistent set of version parts

Field Summary

Fields

Modifier and Type	Field	Description
static final String	JAVA_TARGET_PLATFORM	Context attribute that can be set to target a different version of the jvm than the current runtime.
static final JavaVersion	VERSION

Method Summary

Modifier and Type	Method	Description
int	getMajor()	Returns the major number version, such as 1 for JDK 1.8.0_92 and 9 for JDK 9.2.4.
int	getMicro()	Returns the micro number version (aka security number), such as 0 for JDK 1.8.0_92 and 4 for JDK 9.2.4.
int	getMinor()	Returns the minor number version, such as 8 for JDK 1.8.0_92 and 2 for JDK 9.2.4.
int	getPlatform()	Returns the Java Platform version, such as 8 for JDK 1.8.0_92 and 9 for JDK 9.2.4.
String	getVersion()
static JavaVersion	parse(String v)
String	toString()

Methods inherited from class java.lang.Object

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

Field Details

JAVA_TARGET_PLATFORM

public static final String JAVA_TARGET_PLATFORM

Context attribute that can be set to target a different version of the jvm than the current runtime. Acceptable values should correspond to those returned by JavaVersion.getPlatform().

See Also:

• Constant Field Values

VERSION

public static final JavaVersion VERSION

Method Details

parse

public static JavaVersion parse(String v)

getVersion

public String getVersion()

Returns:

the string from which this JavaVersion was created

getPlatform

public int getPlatform()

Returns the Java Platform version, such as 8 for JDK 1.8.0_92 and 9 for JDK 9.2.4.

Returns:

the Java Platform version

getMajor

public int getMajor()

Returns the major number version, such as 1 for JDK 1.8.0_92 and 9 for JDK 9.2.4.

Returns:

the major number version

getMinor

public int getMinor()

Returns the minor number version, such as 8 for JDK 1.8.0_92 and 2 for JDK 9.2.4.

Returns:

the minor number version

getMicro

public int getMicro()

Returns the micro number version (aka security number), such as 0 for JDK 1.8.0_92 and 4 for JDK 9.2.4.

Returns:

the micro number version

toString

public String toString()

Overrides:

toString in class Object