instance « Bean « JSF Q&A

1. How to enforce jsf to create new instance of bean instead of throwing NullPointerException?    stackoverflow.com

I'm almost sure that I do something wrong and thus the question's title is a bit incorrect. I have a form with several fields for creating a new User-objects (fields like login, ...

2. Whats the correct way to create multiple instances of managed beans in JSF 2.0    stackoverflow.com

If I want to create more than one instance of managed bean in JSF 2.0, under different names in the same scope, how should I proceed? Ideally, I want the equivilant ...

3. Correct way of retrieving the bean instance from context    stackoverflow.com

HI, We are using the following code to get the managed bean instance from the context.

FacesUtils.getManagedBean("beanName");

4. JSF - Difference in getting bean instance    stackoverflow.com

HI, There are many ways to get the bean instances from the JSF context. In the following two way:

Bean bean = (Bean) request.getAttribute("beanName");

FacesUtils.getManagedBean("beanName");

5. How to add multiple instances of JSF 2 managed beans to Java Collection?    stackoverflow.com

I'm trying to wrap my head around some basic JSF 2 concepts. For instance, if I have a managed bean, Bean1:

@ManagedBean
public class Bean1 {
    private String foo;
  ...

6. To get current Instance of the session scoped bean in Jsf 2.0    stackoverflow.com

i referred to this question and i've a similar problem JSF - Get the SessionScoped Bean instance I want to get the current instance of a managed bean in another ...

7. Mulitple instances of managed bean with session scope    coderanch.com

8. Obtaining an instance of a Managed Bean declared with Application Level Scope    coderanch.com

9. Message exchange between session bean instances, is it possible?    coderanch.com

10. getting JSF bean instance associated with the bean name using JSF 1.2    coderanch.com

11. Different Managed Bean instances    coderanch.com

12. jsf bean instance in servlet    coderanch.com

13. Initializing request scoped managed bean instance    coderanch.com

I need some advice on design choices available managed bean initiallization: My managed bean backs a JSF page that has both user input fields and Lists which drive the drop down choices presented to user. I'm populating the List values and initial user values from DB in the constructor of the Managed Bean. (I can also use @PostConstruct but its the ...

14. Need to get the current Instance of one backing bean into another    coderanch.com

I have an editorBean: public class EditorBean { private String value; public void setValue(String value) { this.value = value; } public String getValue() { return value; } } And the other bean is also managed and has a method called htmlTable that takes no parameters but returns String type. Now what I want to do is when my editor pops up ...

15. Correct way of retrieving the bean instance    coderanch.com

The primary benefits of IoC are that are that you don't have to design the bean for a single platform. Instead, you design them as POJOs and let the platform itself manage them. This contributes to code reusability and enhanced testability, since POJOs can be unit-tested in isolation without setting up a complicated runtime environment and can also be wired into ...