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 String	JAVA_TARGET_PLATFORM	Context attribute that can be set to target a different version of the jvm than the current runtime.
static 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	getSuffix()	Deprecated.
int	getUpdate()	Deprecated.
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 Detail

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 Detail

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

getUpdate

@Deprecated
public int getUpdate()

Deprecated.

Returns the update number version, such as 92 for JDK 1.8.0_92 and 0 for JDK 9.2.4.

Returns:

the update number version

getSuffix

@Deprecated
public String getSuffix()

Deprecated.

Returns the remaining string after the version numbers, such as -internal for JDK 1.8.0_92-internal and -ea for JDK 9-ea, or +13 for JDK 9.2.4+13.

Returns:

the remaining string after the version numbers

toString

public String toString()

Overrides:

toString in class Object