This thesis focuses on software maintenance, and more precisely the state-of-art of automatic detection and refactoring solutions. This work intends to plant a seed of a robust solution automating the process of code smells detection and their transformation into a more readable and reusable code while profiting from the advantages of design patterns.

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• Principles of Object-Oriented Paradigm are frequently dismissed.
  
• The process of refactoring is costly.
• The Netbeans Platform has a lack of refactoring tools.
• The existing solutions do not propose automatic refactoring.
• The existing solutions do not profit from the advantages of design patterns.

4/10

A Netbeans plugin that detect code smells and suggests an automatic refactoring. As a commencement, the Type-checking code smell was covered. The tool detect the smell based on the criteria established by Tsantalis et Chatzigeorgiou. Then, a refactoring to a Strategy Pattern is conducted.

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6/10

launching the detection

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8/10

• Cover remaining code smells
• Improve the detection efficiency, i.e. reducing "false positives".
• Provide a visualisation (UML diagrams, among others) of changes made.
• Create a database of accepted refactoring by users

9/10

10/10