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Resolving or Invoking a Method Expression from a Managed Bean in Oracle MAF

MAF, OracleMobile By Jan 25, 2018 No Comments
[MAF 2.3.1]I developed a mobile app using Oracle Mobile Application Framework (MAF) in which I had a requirement to invoke a method from a managed bean method.

Below is the code snippet worked for me to do this.

public static Object resloveMethodExpression(String expression,
                                             Class returnType,
                                             Class[] argTypes,
                                             Object[] argValues) {
  MethodExpression methodExpression = AdfmfJavaUtilities.getMethodExpression(expression,
                                                                             returnType,
                                                                             argTypes);
  return methodExpression.invoke(AdfmfJavaUtilities.getAdfELContext(), argValues);
}

Where,

  •  expression:  the managed bean method EL expression
  • returnType:  Class name of the return value of the method, can be null if it is void
  • argTypes: Class names of the input parameters need to be passed to the method if any. It would be null if there are no parameters
  • argValues: Input parameter values to be passed to the method if any. It would be null if there are no parameters

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