ClassFileVersion (Byte Buddy (with dependencies) 1.3.14 API)

java.lang.Object
- net.bytebuddy.ClassFileVersion

All Implemented Interfaces:

Comparable<ClassFileVersion>
```
public class ClassFileVersion
extends Object
implements Comparable<ClassFileVersion>
```
A wrapper object for representing a validated class file version in the format that is specified by the JVMS.

Nested Class Summary

Nested Classes
Modifier and Type	Class and Description
`protected static class`	`ClassFileVersion.VersionExtractor` A simple visitor that extracts the class file version of a class file.
`protected static interface`	`ClassFileVersion.VersionLocator` A locator for the executing VM's Java version.

Field Summary

Fields
Modifier and Type	Field and Description
`protected static int`	`BASE_VERSION` Returns the minimal version number that is legal.
`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.
`static ClassFileVersion`	`JAVA_V9` The class file version of Java 9.

Constructor Summary

Constructors
Modifier Constructor and Description

protected ClassFileVersion(int versionNumber)
Creates a wrapper for a given minor-major release of the Java class file file.

Constructors
Modifier	Constructor and Description
`protected`	`ClassFileVersion(int versionNumber)` Creates a wrapper for a given minor-major release of the Java class file file.

Method Summary

All Methods Static Methods Instance Methods Concrete Methods
Modifier and Type	Method and Description
`int`	`compareTo(ClassFileVersion other)`
`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)`.
`int`	`getJavaVersion()` Returns the Java runtime version number of this class file version.
`int`	`getMajorVersion()` Returns the major version this instance represents.
`int`	`getMinorMajorVersion()` Returns the minor-major release number of this class file version.
`int`	`getMinorVersion()` Returns the minor version this instance represents.
`int`	`hashCode()`
`boolean`	`isAtLeast(ClassFileVersion classFileVersion)` Checks if this class file version is at least of the provided version.
`boolean`	`isLessThan(ClassFileVersion classFileVersion)` Checks if this class file version is less than the provided version.
`static ClassFileVersion`	`of(Class<?> type)` Extracts a class' class version.
`static ClassFileVersion`	`of(Class<?> type, ClassFileLocator classFileLocator)` Extracts a class' class version.
`static ClassFileVersion`	`of(TypeDescription typeDescription, ClassFileLocator classFileLocator)` Extracts a class' class version.
`static ClassFileVersion`	`ofJavaVersion(int javaVersion)` Creates a class file version for a given major release of Java.
`static ClassFileVersion`	`ofMinorMajor(int versionNumber)` Creates a wrapper for a given minor-major release of the Java class file file.
`String`	`toString()`

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

- Field Detail
  - BASE_VERSION
```
protected static final int BASE_VERSION
```
    Returns the minimal version number that is legal.
    
    See Also:
    
    Constant Field Values
  - 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.
  - JAVA_V9
```
public static final ClassFileVersion JAVA_V9
```
    The class file version of Java 9.
- Constructor Detail
  - ClassFileVersion
```
protected ClassFileVersion(int versionNumber)
```
    Creates a wrapper for a given minor-major release of the Java class file file.
    
    Parameters:
    
    versionNumber - The minor-major release number.
- Method Detail
  - ofMinorMajor
```
public static ClassFileVersion ofMinorMajor(int versionNumber)
```
    Creates a wrapper for a given minor-major release of the Java class file file.
    
    Parameters:
    
    versionNumber - The minor-major release number.
    
    Returns:
    
    A representation of the version number.
  - ofJavaVersion
```
public static ClassFileVersion ofJavaVersion(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.
  - of
```
public static ClassFileVersion of(Class<?> type)
                           throws IOException
```
    Extracts a class' class version. The class' byte code is located by querying the ClassLoader of the class.
    
    Parameters:
    
    type - The type for which to locate a class file version.
    
    Returns:
    
    The type's class file version.
    
    Throws:
    
    IOException - If an error occurs while reading the class file.
  - of
```
public static ClassFileVersion of(Class<?> type,
                                  ClassFileLocator classFileLocator)
                           throws IOException
```
    Extracts a class' class version.
    
    Parameters:
    
    type - The type for which to locate a class file version.
    
    classFileLocator - The class file locator to query for a class file.
    
    Returns:
    
    The type's class file version.
    
    Throws:
    
    IOException - If an error occurs while reading the class file.
  - of
```
public static ClassFileVersion of(TypeDescription typeDescription,
                                  ClassFileLocator classFileLocator)
                           throws IOException
```
    Extracts a class' class version.
    
    Parameters:
    
    typeDescription - The type for which to locate a class file version.
    
    classFileLocator - The class file locator to query for a class file.
    
    Returns:
    
    The type's class file version.
    
    Throws:
    
    IOException - If an error occurs while reading the class file.
  - getMinorMajorVersion
```
public int getMinorMajorVersion()
```
    Returns the minor-major release number of this class file version.
    
    Returns:
    
    The minor-major release number of this class file version.
  - getMajorVersion
```
public int getMajorVersion()
```
    Returns the major version this instance represents.
    
    Returns:
    
    The major version this instance represents.
  - getMinorVersion
```
public int getMinorVersion()
```
    Returns the minor version this instance represents.
    
    Returns:
    
    The minor version this instance represents.
  - getJavaVersion
```
public int getJavaVersion()
```
    Returns the Java runtime version number of this class file version.
    
    Returns:
    
    The Java runtime version.
  - isAtLeast
```
public boolean isAtLeast(ClassFileVersion classFileVersion)
```
    Checks if this class file version is at least of the provided version.
    
    Parameters:
    
    classFileVersion - The version to check against.
    
    Returns:
    
    true if this version is at least of the given version.
  - isLessThan
```
public boolean isLessThan(ClassFileVersion classFileVersion)
```
    Checks if this class file version is less than the provided version.
    
    Parameters:
    
    classFileVersion - The version to check against.
    
    Returns:
    
    true if this version is less than the given version.
  - compareTo
```
public int compareTo(ClassFileVersion other)
```
    Specified by:
    
    compareTo in interface Comparable<ClassFileVersion>
  - 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

Class ClassFileVersion

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

Field Detail

BASE_VERSION

JAVA_V1

JAVA_V2

JAVA_V3

JAVA_V4

JAVA_V5

JAVA_V6

JAVA_V7

JAVA_V8

JAVA_V9

Constructor Detail

ClassFileVersion

Method Detail

ofMinorMajor

ofJavaVersion

forCurrentJavaVersion

of

of

of

getMinorMajorVersion

getMajorVersion

getMinorVersion

getJavaVersion

isAtLeast

isLessThan

compareTo

equals

hashCode

toString