Exception handling in OAF

Exception handling in OAF

There are 3 types of exceptions can be thrown on OAF pages (java).

a)Warning  : This will display the custom message and no effect in the oaf page execution

b)Information  : This will display the custom message and no effect in the oaf page execution

c)Error : This will display the custom message and has effect in the oaf page execution.

It stops the page execution by throwing message as a exception

 

 

Exception handling in paf page has done through Try and catch block syntax.

Try Block :- All logic should be kept in a try block to handle exceptions.

In this block we do all our coding part , so that if any exception raised in the logic or cading part then it will be handled through catch block.

 

Catch Block – Once control find any exception in the try block, it goes to catch block. Catch block will be used to handle the raised exception.

 throw new oaexception syntax

for Example -

 

try{ 

custom code
{

 

}  

  

}

      

catch(Exception e)

         

{

  // For Warning Message

 

throw new OAException("Exception " +e, OAException.WARNING);        

    

 // For Information Message             

throw new OAException("Exception " +e,  OAException.INFORMATION);  

               

// For Error Message

throw new OAException("Exception " +e,  OAException.ERROR);            

           

 }

 

If exception occurs in custom code, control will come to catch block and it will print the relative exception message on the screen.

 

Exception handling in OAF