net.bytebuddy.agent

Class Installer

java.lang.Object

net.bytebuddy.agent.Installer

public class Installer
extends Object

An installer class which defined the hook-in methods that are required by the Java agent specification.

Method Summary

Modifier and Type	Method and Description
static void	agentmain(String arguments, Instrumentation instrumentation) Allows the installation of this agent via the attach API.
static Instrumentation	getInstrumentation() Returns the instrumentation that was loaded by the Byte Buddy agent.
static void	premain(String arguments, Instrumentation instrumentation) Allows the installation of this agent via a command line argument.

Methods inherited from class java.lang.Object

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

Method Detail

getInstrumentation

public static Instrumentation getInstrumentation()

Returns the instrumentation that was loaded by the Byte Buddy agent. When a security manager is active, the RuntimePermission for getInstrumentation is required by the caller.

Important: This method must only be invoked via the ClassLoader.getSystemClassLoader() where any Java agent is loaded. It is possible that two versions of this class exist for different class loaders.

Returns:

The instrumentation instance of the Byte Buddy agent.

premain

public static void premain(String arguments,
                           Instrumentation instrumentation)

Allows the installation of this agent via a command line argument.

Parameters:

arguments - The unused agent arguments.

instrumentation - The instrumentation instance.

agentmain

public static void agentmain(String arguments,
                             Instrumentation instrumentation)

Allows the installation of this agent via the attach API.

Parameters:

arguments - The unused agent arguments.

instrumentation - The instrumentation instance.