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检索条件"主题词=code refactoring"

共 87 条记录，以下是51-60 订阅

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Idea: Interactive Support for Secure Software Development

Idea: Interactive Support for Secure Software Development

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3rd International Symposium on Engineering Secure Software and Systems, ESSoS 2011

作者： Xie, Jing Chu, Bill Lipford, Heather Richter Univ N Carolina Dept Software & Informat Syst Ctr Cyber Def & Network Assurance Charlotte NC 28223 USA

ISBN: (纸本)9783642191244

Security breaches are often caused by software bugs, which may frequently be due to developers' memory lapses, lack of attention/focus, and knowledge gaps. Developers have to contend with heavy cognitive loads to deal with issues such as functional requirements, deadlines, security, and runtime performance. We propose to integrate secure programming support seamlessly into Integrated Development Environments (IDEs) in order to help developers cope with their heavy cognitive load and reduce security errors. As proof of concept, we developed a plug-in for Eclipse's Java development environment. Developers will be alerted to potential secure programming concerns, such as input validation, data encoding, and access control as well as encouraged to comply with secure coding standards.

关键词： security software development secure programming code refactoring code annotation

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Enhancing Unit Tests in Refactored Java Programs 18

Enhancing Unit Tests in Refactored Java Programs

引用

18th International Conference on Evaluation of Novel Approaches to Software Engineering (ENASE)

作者： Derezinska, Anna Sobieraj, Olgierd Warsaw Univ Technol Inst Comp Sci Nowowiejska 15-19 Warsaw Poland

ISBN: (纸本)9789897586477

refactoring provides systematic changes to program code in order to improve its quality. These changes could also require modifications of unit tests associated with a refactored program. Developer environments assist with many code refactoring transformations, which also support some modifications of the tests. Two popular environments for Java programs have been found to be unable to update these tests for all refactoring in a satisfactory way. The flaws in refactoring, the adaptation of the tests after refactoring, and possible improvements were discussed. A tool extension has been introduced to integrate with a refactoring in the Eclipse environment and maintain the corresponding tests. For selected refactorings, additional test cases could also be created to increase code coverage and improve the testing of a refactored program. Experiments have been conducted to evaluate the proposed solutions and verify their limitations.

关键词： code refactoring Test Maintenance Unit Tests Eclipse IntelliJ IDEA Java JUnit

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A Novel Approach for Improving the Quality of Software code using Reverse Engineering 18

A Novel Approach for Improving the Quality of Software Code ...

引用

4th International Conference on Engineering and MIS (ICEMIS)

作者： Elghadhafi, Hamza A. Abdelaziz, Tawfig M. Maatuk, Abdelsalam M. Benghazi Univ Fac Informat Technol Benghazi Libya

ISBN: (纸本)9781450363921

Copying and pasting program code fragments with minor changes is a common practice in software development. Software systems often have similar segments of code, called code clones. Due to many reasons, unintentional smells may also appear in the source code without awareness of program developers. code smell may violate the principles of software design and negatively impact program design quality, thus making software development and maintenance very costly. This paper presents an enhanced approach to facilitate the process of identification and elimination of code smells. The proposed solution allows the detection and removal of code smells for refinement and improvement of the quality of software system. code smells are analyzed, restructured and eliminated from the source code using reverse engineering techniques. The solution maintains the external behaviour of software system and judges the efficiency of systems code. An experiment has been conducted using a real software system, which is evaluated before and after using the approach. The results have been encouraging and help in detecting code smells.

关键词： code Smells code refactoring code Clone Smells Detection

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Recommending Clones for refactoring Using Design, Context, and History 30

Recommending Clones for Refactoring Using Design, Context, a...

引用

30th IEEE International Conference on Software Maintenance and Evolution (ICSME)

作者： Wang, Wei Godfrey, Michael W. Univ Waterloo Sch Comp Sci Waterloo ON N2L 3G1 Canada

ISBN: (纸本)9780769553030

Developers know that copy-pasting code (aka code cloning) is often a convenient shortcut to achieving a design goal, albeit one that carries risks to the code quality over time. However, deciding which, if any, clones should be eliminated within an existing system is a daunting task. "Fixing" a clone usually means performing an invasive refactoring, and not all clones may be worth the effort, cost, and risk that such a change entails. Furthermore, sometimes cloning fulfils a useful design role, and should not be refactored at all [23]. And clone detection tools often return very large result sets, making it hard to choose which clones should be investigated and possibly removed. In this paper, we propose an automated approach to recommend clones for refactoring by training a decision tree-based classifier. We analyze more than 600 clone instances in three medium-to large-sized open source projects, and we collect features that are associated with the source code, the context, and the history of clone instances. Our approach achieves a precision of around 80% in recommending clone refactoring instances for each target system, and similarly good precision is achieved in cross-project evaluation. By recommending which clones are appropriate for refactoring, our approach allows for better resource allocation for refactoring itself after obtaining clone detection results, and can thus lead to improved clone management in practice.

关键词： Clone Management code refactoring Software Clones Software Recommendation System

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StaticTracker: A Diff Tool for Static code Warnings 39

StaticTracker: A Diff Tool for Static Code Warnings

引用

39th IEEE International Conference on Software Maintenance and Evolution (ICSME)

作者： Li, Junjie Yang, Jinqiu Concordia Univ Montreal PQ Canada

ISBN: (纸本)9798350327830

Static bug detectors help improve software quality by detecting code issues (e.g., code smells or bugs). However, static bug detectors are underutilized in practice due to various reasons. One primary reason is that static bug detectors often report an overwhelming number of static warnings for one software revision. To facilitate better adoption of static bug detectors in software development, we propose a tool, namely StaticTracker, that specializes in tracking the evolution of static code warnings. StaticTracker analyzes each commit and produces the changes of static code warnings caused by the commit, i.e., a diff for static code warnings. We integrate StaticTracker in continuous integration through Git Hooks. Whenever developers push code to a git repository, StaticTracker is automatically activated to identify disappeared and newly-introduced warnings by the commit. We implement StaticTracker for two static bug detectors (Spotbugs and PMD) and evaluate StaticTracker on the recent commits of two open-source projects (Druid and Jedis). Our evaluation shows that StaticTracker is effective in reducing the overwhelming static code warnings that developers need to investigate and achieves an accuracy of 89.8%, which outperforms the state-of-the-art tracking approach with an accuracy of 68.5%. We open source the tool at https://***/ljj430/tracking-static-warnings tool demo, and the demo video is at https://***/watch?v=2WMOjoq1Nbs.

关键词： static analysis empirical study code refactoring software evolution

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Using refactoring to Migrate REST Applications to gRPC 22

Using Refactoring to Migrate REST Applications to gRPC

引用

Annual ACM Southeast Conference ACMSE

作者： Lee, Yunhyeok Liu, Yi Univ Massachusetts Dartmouth Dartmouth MA 02747 USA

ISBN: (纸本)9781450386975

The Google Remote Procedure Call (gRPC), a variant of the Remote Procedure Call (RPC) architecture, performs better than the widely used REpresentational State Transfer (REST) architecture in some types of Web applications, such as microservices. Being able to transform applications using the REST application programming interface (API) to the gRPC API can potentially improve the communication performance. In this paper, we propose an approach to refactoring REST applications to obtain equivalent gRPC applications and demonstrate the approach using a small microservice-oriented application. This refactoring approach is sufficiently general to apply to any Web application.

关键词： gRPC REST Web Application code refactoring

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Stuck in The Middle: Removing Obstacles to New Program Features through Batch refactoring 19

Stuck in The Middle: Removing Obstacles to New Program Featu...

引用

IEEE/ACM 41st International Conference on Software Engineering - Software Engineering in Practice (ICSE-SEIP)

作者： Fernandes, Eduardo Pontifical Catholic Univ Rio De Janeiro PUC Rio Informat Dept DI OPUS Res Grp Rio De Janeiro Brazil

ISBN: (纸本)9781728117645

Developers may introduce poor code structures spotted by code smells along the software maintenance. However, only some of these structures eventually become obstacles to the addition of new features. Developers are forced to remove these obstacles before adding features. Identifying which poor structures are actual obstacles is hard, due to their subtlety and scattering across code elements. Such identification has been largely debated by developers in public platforms such as Gerrit code Review. Fully removing obstacles is also hard, as developers often have to perform non-trivial sets of interrelated code transformations. Despite enabling the feature addition, certain sets of transformations tend to introduce rather than remove code smells. The scarce knowledge on recurring obstacles, and how refactoring can cope with them, helps little in guiding the feature addition. This doctoral research aims to address the current scarceness via empirical studies with projects and their developers. Our major goal is three-fold: (1) to assess past feature additions in order to elicit recurring obstacles;(2) to understand when interrelated transformations unexpectedly introduce poor code structures;and (3) to propose a refactoring recommender system. Contrarily to the few existing ones, our system aims to guide developers along the feature addition while removing poor code structures.

关键词： code refactoring software maintenance poor code structure feature addition recommender system

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Experiences on Managing Technical Debt with code Smells and AntiPatterns 4

Experiences on Managing Technical Debt with Code Smells and ...

引用

4th IEEE/ACM International Conference on Technical Debt (TechDebt)

作者： Lahti, Jacinto Ramirez Tuovinen, Antti-Pekka Mikkonen, Tommi Solita Ltd Helsinki Finland Univ Helsinki Dept Comp Sci Helsinki Finland

ISBN: (纸本)9781665414050

Technical debt has become a common metaphor for the accumulation of software design and implementation choices that seek fast initial gains but that are under par and counterproductive in the long run. However, as a metaphor, technical debt does not offer actionable advice on how to get rid of it. To get to a practical level in solving problems, more focused mechanisms are needed. Commonly used approaches for this include identifying code smells as quick indications of possible problems in the codebase and detecting the presence of AntiPatterns that refer to overt, recurring problems in design. There are known remedies for both code smells and AntiPatterns. In paper, our goal is to show how to effectively use common tools and the existing body of knowledge on code smells and AntiPatterns to detect technical debt and pay it back. We present two main results: (i) How a combination of static code analysis and manual inspection was used to detect code smells in a codebase leading to the discovery of AntiPatterns;and (ii) How AntiPatterns were used to identify, characterize, and fix problems in the software. The experiences stem from a private company and its long-lasting software product development effort.

关键词： Technical debt code smells AntiPatterns case study software maintenance code refactoring

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XScan: An Integrated Tool for Understanding Open Source Community-Based Scientific code 19th

XScan: An Integrated Tool for Understanding Open Source Comm...

引用

19th Annual International Conference on Computational Science (ICCS)

作者： Zheng, Weijian Wang, Dali Song, Fengguang Indiana Univ Purdue Univ Indianapolis IN 46202 USA Oak Ridge Natl Lab POB 2008MS 6301 Oak Ridge TN 37831 USA

ISBN: (纸本)9783030227340;9783030227333

Many scientific communities have adopted community-based models that integrate multiple components to simulate whole system dynamics. The community software projects' complexity, stems from the integration of multiple individual software components that were developed under different application requirements and various machine architectures, has become a challenge for effective software system understanding and continuous software development. The paper presents an integrated software toolkit called X-ray Software Scanner (in abbreviation, XScan) for a better understanding of large-scale community-based scientific codes. Our software tool provides support to quickly summarize the overall information of scientific codes, including the number of lines of code, programming languages, external library dependencies, as well as architecture-dependent parallel software features. The XScan toolkit also realizes a static software analysis component to collect detailed structural information and provides an interactive visualization and analysis of the functions. We use a large-scale community-based Earth System Model to demonstrate the workflow, functions and visualization of the toolkit. We also discuss the application of advanced graph analytics techniques to assist software modular design and component refactoring.

关键词： Application software analysis Community-based code code modulation code refactoring

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A methodology for impact evaluation of refactoring on external quality attributes of a software design 15

A methodology for impact evaluation of refactoring on extern...

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15th International Conference on Frontiers of Information Technology (FIT)

作者： Bashir, Raja Sehrab Lee, Sai Peck Yung, Chong Chun Alam, Khubaib Amjad Ahmad, Raja Wasim Univ Malaya Dept Software Engn Kuala Lumpur Malaysia Monash Univ Sch Informat Technol Salangor Malaysia Comsats Inst Informat Technol Dept Comp Sci Abbottabad Pakistan

ISBN: (纸本)9781538635674

refactoring aims at improving software design quality without affecting external behavior. It is commonly believed that refactoring operations always enhance the software quality. However, some recent empirical studies have reported negative or negligible effects of refactoring on certain quality attributes. The actual impact of each refactroing on certain quality attributes may help developers in selecting the most suitable refactoring alternatives. Various work have been proposed in this regard at source code-level. However, fewer studies have assessed the refactoring impact at design-level. In this study, We propose a refactoring impact evaluation method enabling developers to select the suitable refactoring operations based on their impact. Nine small scale case studies have been used to validate the consistency of propose method. The results reveal that move method, extract method, extract class rafactoring operations have improved maintainability, understandability, modifiability, and analyzability in nine case studies. These obeservations are consistent accross multiple case studies, implying that the proposed approach is highly consistent.

关键词： Software refactoring code refactoring design refactoring refactoring impact refactoring improve quality

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