com.martinambrus.adminAnything.instrumentation

Class Instrumentator

java.lang.Object

com.martinambrus.adminAnything.instrumentation.Instrumentator

public class Instrumentator
extends java.lang.Object

Class responsible for instrumenting the whole transformation, including attaching agent to the JVM, copying relevant library files where they are supposed to be and downloading Javassist library if not found.

Constructor Summary

Constructors

Constructor and Description
Instrumentator(java.lang.String attachLibFolder) Constructor, stores library folder to which to save and from which to load all the static libraries required for the various class transformations.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getJavassistLibPath() Getter method for Javassist library path.
void	instrumentate() Starts the complicated instrumentation process.

Methods inherited from class java.lang.Object

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

Constructor Detail

Instrumentator

public Instrumentator(java.lang.String attachLibFolder)

Constructor, stores library folder to which to save and from which to load all the static libraries required for the various class transformations.

Parameters:

attachLibFolder - Library folder to which to save and from which to load all the static libraries required for the various class transformations.

Method Detail

getJavassistLibPath

public static java.lang.String getJavassistLibPath()

Getter method for Javassist library path.

Returns:

Returns the location where the Javassist library should reside.

instrumentate

public void instrumentate()
                   throws java.lang.NoSuchFieldException,
                          java.lang.SecurityException,
                          java.lang.IllegalArgumentException,
                          java.lang.IllegalAccessException,
                          java.io.IOException,
                          com.sun.tools.attach.AttachNotSupportedException

Starts the complicated instrumentation process.

Throws:

java.lang.NoSuchFieldException - If we could not transform a class because of a missing defined field.

java.lang.SecurityException - If we could not transform a class because JVM security did not allow us to.

java.lang.IllegalArgumentException - If we could not transform a class because of our stupidity.

java.lang.IllegalAccessException - If we could not transform a class because we were prohibited from accessing a class.

java.io.IOException - If we could not transform a class because there was a input / output error trying to read/write something.

com.sun.tools.attach.AttachNotSupportedException - If we could not transform a class because attaching an agent to the JVM is not supported.