JEXL is a library that aims to facilitate the implementation dynamic scripting in an application or

JEXL is a library that aims to facilitate the implementation dynamic scripting in an application or framework. JEXL its name comes from Java Expression Language, and was inspired by the Apache Velocity and JSP Expression Language defined in version 2. Although JEXL is similar to THE not an implementation. Here you can do JEXL with an example: / / Create or retrieve a JexlEngine JexlEngine JexlEngine JEXL = new () / / Create an object expression jexlExp String = "foo.innerFoo.bar ()"; Expression e = jexl.createExpression ( jexlExp) / / Create a context russell hobbs juicer and add data JexlContext MapContext jc = new (); jc.set ("foo", new Foo ()) / / Now evaluate-the expression, getting the result russell hobbs juicer Object o = e.evaluate ( jc); When using JEXL? When my system logic changes very often, but use a business rules engine russell hobbs juicer as we have very big drool this is a good choice.
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