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aspect ModelErrorConversion {
// convert exception types
after(Entity entity) throwing (HibernateException e): modelExec(entity) {
convertException(e, entity, thisJoinPoint);
}
after(Entity entity) throwing (ServiceException e): modelExec(entity) {
convertException(e, entity, thisJoinPoint);
}
after(Entity entity) throwing (SOAPException e): modelExec(entity) {
convertException(e, entity, thisJoinPoint);
}
after(Entity entity) throwing (SOAPFaultException e): modelExec(entity) {
convertException(e, entity, thisJoinPoint);
}
/** execution of any method in the model */
pointcut modelExecStatic() :
execution(* model..*(..));
pointcut modelExec(Entity entity) :
modelExecStatic() && this(entity);
// soften the checked exceptions
declare soft: ServiceException: modelExecStatic();
declare soft: SOAPException: modelExecStatic();
/** Converts exceptions to model exceptions, storing context */
private void convertException(Exception e, Entity entity,
JoinPoint jp) {
ModelException me = new ModelException(e);
me.setEntity(entity);
me.setArgs(jp.getArgs());
// ModelException extends RuntimeException, so this is unchecked
throw me;
}
}
class HibernateException extends RuntimeException {}
class ServiceException extends Exception {}
class SOAPException extends Exception {}
class SOAPFaultException extends RuntimeException {}
class Entity {}
class ModelException extends RuntimeException {
public ModelException(Throwable t) { super(t); }
public void setEntity(Entity entity) {}
public void setArgs(Object[] argz) {}
}
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