Javassist ~ Java bytecode manipulation made simple

Posted: November 17, 2009 in Code Quality, Java
Tags: , ,

Javassist (Java programming assistant) is a load-time reflective system for Java.

Unique Features of Javassist

Aspect Oriented Programming: Javassist can be a good tool for introducing new methods into a class and for inserting before/after/around advice at the both caller and callee sides.

Reflection : One of applications of Javassist is runtime reflection; Javassist enables Java programs to use a metaobject that controls method calls on base-level objects. No specialized compiler or virtual machine are needed.

Remote Method Invocation : Another application is remote method invocation. Javassist enables applets to call a method on a remote object running on the web server. Unlike the Java RMI, the programmer does notneed a stub compiler such as rmic; the stub code is dynamically produced by Javassist.



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