OGNL

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OGNL stands for Object-Graph Navigation Language; it is an expression language for getting and setting properties of Java objects, plus other extras such as list projection and selection and lambda expressions. You use the same expression for both getting and setting the value of a property.

GreenVulcano® ESB uses OGNL script in various Engine components to empower it's objects manipulation capability. In some scenario it's an alternative to JavaScript.

This link reference OGNL syntax description.

GreenVulcano® ESB provides some utility classes that can simplify the configurator/developer work.

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