Parsing X12 850 Purchase Orders in Java with OBOE

No heavy commercial EDI engines required. If you’ve ever worked with EDI in Java, you know the pain: massive commercial libraries, hundreds of generated classes, or writing your own fragile parser from scratch. OBOE (Open Business Objects for EDI) changes that. It’s a mature, lightweight, pure-Java library that uses simple XML message definition files to describe any EDI transaction — including the popular X12 850 Purchase Order . In this article, I’ll show you exactly how to parse a real X12 850 document in under 30 lines of code using OBOE v2.0.0 (now available on Maven Central). Why OBOE? Pure Java (no native dependencies) XML-driven rules → extremely extensible Built-in code generator + GUI editor Supports X12, EDIFACT, TRADACOMS, and HIPAA Battle-tested for over 25 years Zero-cost and now officially on Maven Central Step 1: Add OBOE to Your Project <dependency> <groupId> io.github.ediandxml </groupId> <artifactId> OBOE </artifactId> <version> 2026.04.08 </version> </dependency> St