Construct to Reconstruct – Reverse Engineering Java Code with JaMoPP

2009 research paper

In Proc. of the International Workshop on Reverse Engineering Models from Software Artifacts (R.E.M.’08)
with: Florian Heidenreich, Mirko Seifert, and Christian Wende

Reconstructing models from software artefacts is of utter importance to migrate existing systems to the age of Model-Driven Software Development. To do so, the software artefacts must be analysed and corresponding models need to be created. Many approaches perform this task in a rather direct way. Behavioural or structural models (e.g., UML state machines or class diagrams) are reconstructed from source code. However, this direct model reconstruction implies some major drawbacks. First, parsers and code analysis are reimplemented for different reconstruction tasks. Second, tools developed for forward engineering can not be reused. To resolve these drawbacks, we propose a multi-step procedure, that analyses the structure of artefacts and transforms them to the technological target spaces. The resulting model of the software artefact contains all information present in the artefact. It is therefore independent of specific reconstruction tasks. Then, the model reconstruction itself is performed. We exemplify this approach with our experiences from reverse engineering Java code with JaMoPP—a tool that creates models from Java source code. As JaMoPP was originally developed for forward engineering, we will also discuss how JaMoPP (and other too

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