Java201.com

• Classworking toolkit: ASM classworking by Dennis M. Sosnoski   - [Clicks: 93]
  In this edition of Classworking toolkit, consultant Dennis Sosnoski compares the ASM bytecode manipulation framework to the Byte Code Engineering Library (BCEL) and Javassist frameworks he previously discussed in his Java programming dynamics series. ASM claims to be small and fast -- but how does it match up with the other frameworks? Dennis uses an example from his earlier series to evaluate both usability and performance.
  [Includes source code]
  http://www-128.ibm.com/developerworks/library/j-cwt05125/ - May, 2005
• Bytecode Generation Tips and Tricks by Pavel Vlasov   - [Clicks: 123]
  This article introduces readers to bytecode generation and shows how to inject generated bytecode into a JVM runtime. After reading this article generating a Java class won't be any harder than creating an XML document with the DOM API. Over last couple of years, bytecode generation has gained significant momentum. Many tools generate bytecode instead of source code to obviate the compilation step and simplify the injection of generated code at runtime. There's a number of bytecode-generation libraries with BCEL (Byte Code Generation Library) being the most renown and probably most powerful. It's used by tools such as Xalan's stylesheet compiler and Mercury Interactive's Topaz J2EE Probe.
  [Includes source code]
  http://www.sys-con.com/story/?storyid=49088&DE=1 - Apr, 2005

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