net.bytebuddy

Class ClassFileVersion

java.lang.Object

net.bytebuddy.ClassFileVersion

public class ClassFileVersion
extends Object

A wrapper object for representing a validated class file version in the format that is specified by the JVMS.

Field Summary

Fields

Modifier and Type	Field and Description
static ClassFileVersion	JAVA_V1 The class file version of Java 1.
static ClassFileVersion	JAVA_V2 The class file version of Java 2.
static ClassFileVersion	JAVA_V3 The class file version of Java 3.
static ClassFileVersion	JAVA_V4 The class file version of Java 4.
static ClassFileVersion	JAVA_V5 The class file version of Java 5.
static ClassFileVersion	JAVA_V6 The class file version of Java 6.
static ClassFileVersion	JAVA_V7 The class file version of Java 7.
static ClassFileVersion	JAVA_V8 The class file version of Java 8.

Constructor Summary

Constructors

Constructor and Description
ClassFileVersion(int versionNumber) Creates a wrapper for a given minor-major release of the Java class file format and validates the integrity of the version number.

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object other)
static ClassFileVersion	forCurrentJavaVersion() Finds the highest class file version that is compatible to the current JVM version by parsing the java.version property which is provided by System.getProperty(String).
static ClassFileVersion	forKnownJavaVersion(int javaVersion) Creates a class file version for a given major release of Java.
int	getVersionNumber() Returns the minor-major release number of this class format version.
int	hashCode()
String	toString()

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

JAVA_V1

public static final ClassFileVersion JAVA_V1

The class file version of Java 1.

JAVA_V2

public static final ClassFileVersion JAVA_V2

The class file version of Java 2.

JAVA_V3

public static final ClassFileVersion JAVA_V3

The class file version of Java 3.

JAVA_V4

public static final ClassFileVersion JAVA_V4

The class file version of Java 4.

JAVA_V5

public static final ClassFileVersion JAVA_V5

The class file version of Java 5.

JAVA_V6

public static final ClassFileVersion JAVA_V6

The class file version of Java 6.

JAVA_V7

public static final ClassFileVersion JAVA_V7

The class file version of Java 7.

JAVA_V8

public static final ClassFileVersion JAVA_V8

The class file version of Java 8.

Constructor Detail

ClassFileVersion

public ClassFileVersion(int versionNumber)

Creates a wrapper for a given minor-major release of the Java class file format and validates the integrity of the version number.

Parameters:

versionNumber - The minor-major release number.

Method Detail

forKnownJavaVersion

public static ClassFileVersion forKnownJavaVersion(int javaVersion)

Creates a class file version for a given major release of Java. Currently, all versions reaching from Java 1 to Java 8 are supported.

Parameters:

javaVersion - The Java version.

Returns:

A wrapper for the given Java class file version.

forCurrentJavaVersion

public static ClassFileVersion forCurrentJavaVersion()

Finds the highest class file version that is compatible to the current JVM version by parsing the java.version property which is provided by System.getProperty(String).

Returns:

The currently running Java process's class file version.

getVersionNumber

public int getVersionNumber()

Returns the minor-major release number of this class format version.

Returns:

The minor-major release number of this class format version.

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object