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NJPLS at Princeton University, November 20th, 2017

I will be giving a talk at the New Jersey Programming Languages and Systems (NJPLS) seminar at Princeton University on November 20th, 2017 on Automated Refactoring of Legacy Java Software to Default Methods. Below is an abstract:

Java 8 default methods, which allow interfaces to contain (instance) method implementations, are useful for the skeletal implementation software design pattern. However, it is not easy to transform existing software to exploit default methods as it requires analyzing complex type hierarchies, resolving multiple implementation inheritance issues, reconciling differences between class and interface methods, and analyzing tie-breakers (dispatch precedence) with overriding class methods to preserve type-correctness and confirm semantics preservation. In this paper, we present an efficient, fully-automated, type constraint-based refactoring approach that assists developers in taking advantage of enhanced interfaces for their legacy Java software. The approach features an extensive ruleset that covers various corner-cases where default methods cannot be used. To demonstrate applicability, we implemented our approach as an Eclipse plug-in and applied it to 19 real-world Java projects, as well as submitted pull requests to popular GitHub repositories. The indication is that it is useful in migrating skeletal implementation methods to interfaces as default methods, sheds light onto the pattern’s usage, and provides insight to language designers on how this new construct applies to existing software.

Course on Software Analysis and Transformation at the GC in Spring 2018

I will be lecturing a course at the Graduate Center on Software Analysis and Transformation next Spring 2018 semester. Please encourage those interested to enroll. Below is a short blurb about the course description:

With the rise of mobile computing, cybersecurity, and big data, the need for software engineering tools to assist developers in cultivating and managing the complexity of large software systems has never been more evident, giving way to such tools as GitHub, Pivotal, and SonarQube. Software analysis and transformation has a variety of uses, including performance optimization (in compilers), decompiling, obfuscating, verifying program correctness, domain-specific programming languages, and software understanding, evolution, debugging, and testing in software engineering tools. The material will be useful for students working in compilers, developer tools, systems, software engineering, and programming languages.

Defaultification Refactoring tool demonstration poster now available

The poster for our tool demonstration talk at ASE 2017 on “Defaultification Refactoring: A Tool for Automatically Converting Java Methods to Default” is now available!

Slides available for Defaultification Refactoring tool demonstration talk

Slides for our tool demonstration talk at ASE 2017 on “Defaultification Refactoring: A Tool for Automatically Converting Java Methods to Default” are now available!

Default Method Refactoting Talk at JSSST 2017

Hidehiko Masuhara presented a talk on our ICSE 2017 Default Method Refactoring paper at the 34th Convention of the Japan Society of Software Science (JSSST).

Preprint of ASE 2017 tool demo available

A preprint of our ASE 2017 tool demonstration paper entitled “Defaultification Refactoring: A Tool for Automatically Converting Java” is now available. (more…)

Migrate Skeletal Implementation to Interface Refactoring Tool Demonstration on YouTube

Video of the Migrate Skeletal Implementation to Interface Refactoring tool demonstration is now available on YouTube!

Tool demonstration accepted at ASE 2017

Our tool demonstration paper entitled “Defaultification Refactoring: A Tool for Automatically Converting Java Methods to Default” has been accepted for publication at the 32nd IEEE/ACM International Conference on Automated Software Engineering (ASE 2017)! The peer-reviewed paper will appear in the IEEE digitial library. A video version of the demonstration is available on YouTube.

Slides for Automated Refactoring of Legacy Java Software to Default Methods Talk at ICSE 2017

Slides for our talk on default method refactoring at ICSE 2017 are now available on slideshare. (more…)

Preprint of ICSE 2017 Default Method Refactoring paper now available

A preprint of our ICSE 2017 paper on Default Method Refactoring is now available.

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