Javassist
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| Developer(s) | Shigeru Chiba |
|---|---|
| Stable release | 3.15.0.GA / July 8, 2011 |
| Written in | Java |
| Operating system | Cross-platform |
| Type | bytecode Engineering Library |
| License | dual license of the MPL and LGPL. |
| Website | http://www.csg.is.titech.ac.jp/~chiba/javassist/ |
Javassist (Java programming assistant) is a Java library providing a means to manipulate the Java bytecode of an application.[1] In this sense Javassist provides the support for structural reflection, i.e. the ability to change the implementation of a class at run time.
Bytecode manipulation is performed at load-time through a provided class loader.
Contents |
[edit] Uses
Javassist can be used for the following:
- For specifying the bytecode using source code – can compile a fragment of source text online (e.g., just a single statement)
- For Aspect Oriented Programming (AOP) – can introduce new methods into a class and insert before/after/around advice at both the caller and callee sides
- For reflection at runtime – can use a metaobject that controls method calls on base-level objects
- For remote method invocation – can call a method on a remote object running on a web server, an alternative to Java RMI that does not need a stub compiler such as rmic
[edit] References
- ^ "Javassist". JBoss Community. http://www.jboss.org/javassist.
[edit] See also
[edit] External links
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