ManagedProperty « Bean « JSF Q&A

1. JSF - Set multiple values on @ManagedProperty in a single bean stackoverflow.com

I need to set 2 different ManagedProperty on the same bean. So i tried :

@ManagedBean(name="selector")
@RequestScoped
public class Selector {
    @ManagedProperty(value="#{param.page}")
    @ManagedProperty(value="#{param.profile_page}")
    private String ...

2. @ManagedProperty(value = "#{param.id}") in a non-request Scope Bean stackoverflow.com

I need to pass a parameter (POST) to a @managedBean, I used managed properties like this:

@ManagedProperty(value = "#{param.id}")
private int id;

And the scope of the Bean is ViewScope I end up with this ...

3. ViewParam vs @ManagedProperty(value = "#{param.id}") stackoverflow.com

What is the difference between defining View Params like this:

<f:metadata>
  <f:viewParam name="id" value="#{someBean.id}"/>
</f:metadata>

And defining the property in the ManagedBean like this:

@ManagedProperty(value = "#{param.id}")
private Integer id;

Thanks in advance

4. How to inject entire managed bean via @ManagedProperty annotation? stackoverflow.com

I'm trying to inject entire JSF managed bean into another managed bean by means of @ManagedProperty annotation (very similar to Possible to inject @ManagedBean as a @ManagedProperty into @WebServlet?, but ...

5. JSF 2 ManagedProperty injection of bean from dependency jar stackoverflow.com

I'm trying to get a ManagedProperty injection working, where the injected bean resides in a jar included in my web application. Bean to be injected:

@ManagedBean(name="messages")  
@SessionScoped  
public class Messages implements ...

6. Trouble using ManagedProperty stackoverflow.com

I'm trying to share an object between several SessionScoped beans. I get errors though and I really don't know why.

@ManagedProperty(value="#{tb}")
private testBean tb;

I believe that this is the right syntax, but any ...

7. @ManagedProperty - Inject one request scoped bean into another request scoped bean stackoverflow.com

I have this SearchBean:

@ManagedBean(name = "searchBean")
@RequestScoped
public class SearchBean implements Serializable
{
    private String input = null;

    // getter methods
    public String getInput() {
 ...

8. ManagedProperty not injected in @FacesConverter stackoverflow.com

I'm trying to inject a ManagedBean in my FacesConverted the following way:

@ManagedBean
@RequestScoped
@FacesConverter(forClass = Group.class)
public class GroupConverter implements Converter {

@ManagedProperty("#{groupService}")
private GroupService groupService;

@Override
public Group getAsObject(FacesContext context, UIComponent arg1,
      ...

9. Retrieving updated value via @ManagedProperty / notifying other beans of updated value of a property stackoverflow.com

I have a SessionScoped bean say UserSession which holds a String property token which acts as a authenticated token for the logged in user. This token is injected into other SessionScoped ...

10. How to reference Java Collection entry from JSF 2 ManagedProperty? stackoverflow.com

I have an application that has a bean that holds a list of Contacts which are referenced from various domain objects throughout the application:

@ManagedBean
@SessionScoped
public class ContactHolder implements Serializable {
   ...

11. How to inject different subclasses as ManagedProperty JSF 2? stackoverflow.com

I'm new to JSF and I'm wondering if it's possible to inject different subclasses of a base class as a MangedProperty, depending on different situations? For instance, I have this managed ...

12. JSF2 Can't reach SessionScoped bean from ViewScoped as ManagedProperty stackoverflow.com

I have a strange problem. Afaik I can inject a SessionScoped bean into a viewscoped, because its broader, than the other. Here is my code:

@ManagedBean
@ViewScoped
public class ProjectBean implements Serializable {

@ManagedProperty(value="#{projectCurrentBean}")
private ProjectCurrentBean ...

13. Instantiate a ManagedBean (declared as @ManagedProperty) before using inside another ManagedBean stackoverflow.com

I am using a @ManagedBean(request scoped) as a @ManagedProperty inside another @ManagedBean. However the bean(one used as a @ManagedProperty) at the time of usage is un-instantiated and therefore leads to NullPointerException. ...