Spel Expression In Spring

Spring 3 introduced the spring expression language spel which has a syntax similar to unified el.

Spel expression in spring. In this post we ll see examples of using spel with both xml and annotation based configuration. Expression exp parser parseexpression welcome spel concat. Thus the spring expression language is available for use.

The spring expression language spel is a powerful expression language that supports querying and manipulating an object graph at runtime. There are many expression languages available such as jsp el ognl mvel and jboss el. It can save you a lot of coding because you can dynamically assign values at runtime.

The folks at spring made the spring expression language part of what is considered spring core. Spel supports full range of. Expression exp parser parseexpression welcome spel concat.

There are several operators available in the language. Spel is available via xml or annotations and is. The expression language supports the following functionality.

Spring expression language usually referred as spel is one of the modules available under spring s core module. Spring expression language spel you can configure many spring integration components by using expressions written in the spring expression language. As the name suggests it is a powerful expression language mainly used in spring framework for evaluating expressions such as mathematical relational logical operations conditional regular expressions etc at runtime.

Spring expression language spel is a powerful expression language which can be used for querying and manipulating an object graph at runtime. Spel also supports simple arithmetic and exponentiation string concatenation via and string interpolation. Fortunately spring allows us to use simple expressions while wiring beans via spel spring expression language.