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Hairy Java related question
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Hairy Java related question


  • Subject: Hairy Java related question
  • From: Ray Ackland <email@hidden>
  • Date: Fri, 24 Oct 2003 23:41:48 +1300

Hi. While not strictly related to WO, hope to be able to get an answer here.

In a reporting module I am currently working on, I am letting the user select one of the main entities involved in the application (eg client, supervisor etc). The next step is for the application to get some information about the entity by calling a static method in the entity called availableProperties(). This just returns a dictionary of the things I want to be available in the query window.

Now I have an entity passed to the application as a string. I can convert this into a class by using java.lang.Class.forName(java.lang.String) method. But my next step would be to call the availableProperties method on that class.

The problem I have is the type checking of the compiler doesn't know about the mentioned static method, as I can't type it at this stage because I don't know what the class will be yet. How do I get around this?

Just as I finish writing this, I start to think that using an interface may be the way. Any comments? Would that be the solution, and what do I need to do in the calling code to get it to type check against the interface?

Ray.
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