How to map the old Struts screens, processes, and input validation to the Spring framework configuration.
We have organized the technical mapping and processes described in HBLAB's public materials for the information systems department considering the migration of the sales contract management system. The list of functions such as customers, contracts, estimates, and approvals is referred to as "assumed" in the original materials. We will introduce how to map Struts Action, screens, settings, and input validation to the Spring configuration. The examples provided do not use AI. The figures of approximately 200,000 lines, about 150 person-months, and 9 months are based on the original materials and are not estimates for new projects or delivery times. If you would like more detailed materials, please contact us through the inquiry form with the message "Request for materials on migration from Struts to Spring," and we will send you a PDF from the person in charge.
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basic information
Application structure: Struts Action → Spring @Controller / @RestController. ActionForm → DTO / @RequestBody. Configuration and screens: struts-config.xml → Annotations / Java Config. JSP + Struts tags → Thymeleaf / React. Input validation: Struts Validator → Bean Validation (Jakarta). Handling of business functions: Customer, contract, estimate, approval, billing integration, reports, audit logs, etc. are a list of "assumed" items. The implemented functions are not yet confirmed.
Price range
Delivery Time
※Published value: Scale: Approximately 200k LOC / Total man-hours: Approximately 150 person-months. Duration: 9 months: Assessment 1, Reverse engineering + implementation 4, Testing 3, Release + transition 1 month.
Applications/Examples of results
This is a technical explanation based on the original data. It does not serve as new proof of the completed scope or completion. The "assumptions" of business functions are not translated into implementation results. The one-month cutover period is a phase duration, not service downtime.
Company information
HBLAB Japan Co., Ltd. is the Japanese subsidiary of HBLAB, which has a development base in Vietnam, providing IT offshore development, DX consulting, core system development (such as intra-mart), and AI system integration for the Japanese market.
