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copied!<p>I am writing a Junit test framework to test web services.</p> <p>There is a requirement for the input values to come from many different sources, eg an earlier web service call or literals within the class.</p> <p>To achieve this I have constructors that accept the different inputs in different ways; all simple so far.</p> <p>The problem is the webservices also need to be exercised with a full data load and a mandatory fields only payload.</p> <p>Rather then litter the (in some cases verrry long) tests with <code>if</code> statements deciding whether to set a value or not, I have written an annotation @Optional.</p> <p>Adding this annotation causes it to be nulled by the following code:</p> <pre><code> /** * Find all of the fields annotated with optional and null them * @throws IllegalAccessException * @throws IllegalArgumentException */ private void blankOptionalFields() throws IllegalAccessException{ for(Field field: this.getClass().getDeclaredFields()){ Annotation optionalAnnotation = field.getAnnotation(Optional.class); if(!(field.isSynthetic()) && optionalAnnotation instanceof Optional){ field.setAccessible(true); try{ field.set(this, null); } catch(IllegalArgumentException e){ logger.debug("Tried to set a scalar field to null!", e); } } } } </code></pre> <p>So two things:</p> <p>1: Although this works it somehow feels fragile/dangerous, there must be a better approach? 2: If this is not a carzy approach, what is the best way to go about setting the scalar values to appropiate values?</p>

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