Xiaolin Talks Programming

Aug 18, 2026 · Backend Development

Spring Boot Jackson Deep Dive: Dynamic Field Masking, Date Formatting & Streaming JSON Optimization

This article explores advanced Jackson customization in Spring Boot, covering ObjectMapper configuration, global date formatting and BigDecimal precision handling, dynamic sensitive field desensitization using BeanSerializerModifier and ThreadLocal context, and streaming JSON generation with JsonGenerator to handle large datasets without memory overflow.