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Chapter 4. Evaluating Unified EL

Weld extensions provides a method to evaluate EL that is not dependent on JSF or JSP, a facility sadly missing in Java EE. To use it inject Expressions into your bean. You can evaluate value expressions, or method expressions. The Weld Extensions API provides type inference for you. For example:

class FruitBowl {

   
   @Inject Expressions expressions;
  
   public void run() {
      String fruitName = expressions.evaluateValueExpression("#{fruitBowl.fruitName}");
      Apple fruit = expressions.evaluateMethodExpression("#{fruitBown.getFruit}");
   }
}