This guide shows how to expose an .xlsx workbook to your templates through ExcelContext, so SpEL can query sheets, individual cells by A1 address, each sheet’s default table (header row + records), and named tables by name. · Read more...
In March, I pivoted office‑stamper back to Spring SpEL to unlock predictable nested contexts and fix long‑standing sharp edges. In April, we delivered SVG stamping. In May, I’m focusing on safety: how to let expressions power your templates without opening... · Read more...
Long‑term goal: provide a friendly command‑line that can batch‑generate documents from business‑friendly sources — Word/PowerPoint/Excel templates with data from CSV/JSON. This post documents the Windows packaging path with jpackage, plus a short note on native executable experiments. · Read more...
In April, I shipped v3.3 with SVG stamping as the headline feature. This month’s commit goes deeper: I unified how office‑stamper handles images—raster and vector—by moving to a modern ImageIO‑based pipeline with custom plugins. · Read more...
Following our pivot back to Spring SpEL in v3.2, version 3.3 of office-stamper addresses a request that has been on my radar for a long time: high-fidelity vector image stamping. · Read more...
When I released office-stamper v3.0 back in January, I introduced the possibility of using a fully custom ExpressionParser. The goal was to give users complete control over how placeholders were evaluated. However, less than three months later, I am retiring... · Read more...
Following the stabilization of the public surface in version 3.1, my focus for January turned toward the “engine of the engine.” As a solo maintainer, I don’t have a team to review my PRs or catch my blind spots. To... · Read more...
Following the major overhaul of v3.0, my focus for office-stamper has shifted from “making it work” to “making it stable.” Last week, I detailed how I deleted 12,000 lines of legacy test utilities. Today, I’m bringing that same pruning shears... · Read more...
As v3 of office-stamper settles in, I’ve turned my attention to the foundation that keeps the project stable: the test suite. Over the years, the test package had accumulated a significant amount of “helper” debt. This month, I’ve deleted over... · Read more...
With the release of office-stamper v3.0, much of the spotlight has been on the new hierarchical context and the engine refactoring. However, one of the most significant changes for the long-term health of the project happened in the “ shadows”:... · Read more...