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Top Architecture Tech Stack
Top Architecture Tech Stack
May 14, 2025 · Backend Development

Injecting List, Array, Set, and Map from Spring Configuration Files Using @Value and EL Expressions

This article explains how to store and inject collection types such as List, array, Set, and Map in Spring configuration files, demonstrates the pitfalls of using @Value directly, and provides practical solutions using @ConfigurationProperties, EL split functions, and custom decoders for flexible and safe property binding.

BackendConfigurationEL Expression
0 likes · 7 min read
Injecting List, Array, Set, and Map from Spring Configuration Files Using @Value and EL Expressions
Zhuanzhuan Tech
Zhuanzhuan Tech
Jun 19, 2024 · Backend Development

Designing Visual Workflow Orchestration with LiteFlow: From Basic Components to Advanced AST Generation

This article explains how to use the LiteFlow rule‑engine framework to define reusable Java components, express execution flows with EL expressions, design a visual canvas that converts JSON into an abstract syntax tree, generate valid EL code via DFS, and manage workflow updates through push‑pull refresh mechanisms, while also outlining benefits and future plans.

ASTEL ExpressionJava
0 likes · 18 min read
Designing Visual Workflow Orchestration with LiteFlow: From Basic Components to Advanced AST Generation