Journal of the Korea Institute of Information and Communication Engineering (한국정보통신학회논문지)

The Korea Institute of Information and Commucation Engineering (한국정보통신학회)
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An Automatic Extraction Scheme of Dependency Relations between Web Components and Web Resources in Java Web Applications

자바 웹 앱에서 웹 컴포넌트와 웹 자원의 의존 관계를 자동으로 추출하는 기법

  • Oh, Jaewon (School of Computer Science and Information Engineering, The Catholic University of Korea) ;
  • Lee, Seunghyun (School of Computer Science and Information Engineering, The Catholic University of Korea) ;
  • Kim, Ah Hyoung (School of Computer Science and Information Engineering, The Catholic University of Korea) ;
  • Ahn, Woo Hyun (School of Software, Kwangwoon University)
  • Received : 2017.12.27
  • Accepted : 2018.01.16
  • Published : 2018.03.28
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Abstract

As the requirements of web apps become complex and rapidly changing, the maintenance of web apps becomes more important. However, web apps have a problem that more often than not there is not enough documentation to understand and maintain them. Thus, their effective maintenance requires models that represent their internal behavior occurring when they dynamically generate web pages. Previous works identify web components (such as JSPs and Servlets) as participants in the behavior but not web resources (such as images, CSS files, and JavaScript files). Moreover, they do not identify dependency relations between web components and web resources. This paper dynamically analyzes Java web apps to extract such dependency relations, which are included in our graph model for page generation. Case studies using open-source web apps show the applicability of the proposed approach.

웹 앱의 요구사항이 복잡해지고 빠르게 변화하고 있어, 웹 앱의 유지보수가 더욱더 중요해지고 있다. 그렇지만, 웹 앱은 문서화가 충분하게 이루어지지 않아 유지보수가 어렵다. 그래서 효과적인 웹 앱의 유지보수를 위해 웹 페이지 생성 시 일어나는 내부 행위를 추상화한 모델을 추출할 필요가 있다. 기존 연구는 상호 작용하는 웹 컴포넌트(JSP, 서블릿 등)를 식별하지만, 웹 자원(이미지, CSS 파일, 자바스크립트 파일 등)을 식별하지 못하거나, 웹 컴포넌트와 웹 자원 사이의 의존 관계를 추출하지 못한다. 본 논문은 자바 웹 앱을 동적 분석하여 이러한 의존 관계를 추출하고, 그래프 모델로 표현하는 방법을 제안한다. 그리고 오픈 소스 웹 앱을 대상으로 실험하여 제안하는 기법의 활용 가능성을 검증한다.

Keywords

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