Skip to content
master
Switch branches/tags
Code

Latest commit

 

Git stats

Files

Permalink
Failed to load latest commit information.
Type
Name
Latest commit message
Commit time
 
 
 
 
 
 
 
 
 
 

Byte Buddy Examples

Byte Buddy examples prepared for Motorola Tech Talks 2016 in Kraków. The project consists of three Java Agents and definition of a new class in Byte Buddy syntax.

Agents included here are not intended for attach to a running VM. They can be only executed during virtual machine startup. Example of Java Agent capable of attaching to a running running VM is here.

Execution

New class definition example

java -jar byte-buddy-examples.jar

This executes code from ClassCreationExample class.

New class is defined using Byte Buddy syntax. It implements Runnable interface. Object of a new class is instantiated and executed in a separate thread.

HelloWorldAgent

java -javaagent:byte-buddy-examples.jar="HelloWorldAgent" -jar any-application.jar

Executes agent that replaces toString implementation for all classes with the one that returns "Hello World" value.

TryCatchAgent

java -javaagent:byte-buddy-examples.jar="TryCatchAgent className methodName" -jar any-application.jar

Executes agent that encloses method invocation in a try-catch block, logs any caught exception and re-throws it. Name of a class and name of a method must be provided, as the second and third agent parameter respectively.

RegexSelectionLoggerAgent

java -javaagent:byte-buddy-examples.jar="RegexSelectionLoggerAgent classNameRegex methodNameRegex" -jar any-application.jar

Executes agent that adds logs to classes and methods selected using regular expressions. Name of a class and name of a method must be provided, as the second and third agent parameter respectively.

About

No description, website, or topics provided.

Resources

License

Releases

No releases published

Packages

No packages published

Languages