What is the advantages of using binding attribute in JSF? [duplicate]

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With binding attribute you are mapping the actual component and NOT the component’s value. For e.g the property in backing bean for your sample looks like below

UIInput htmlInputText= null;
...
public void setHtmlInputText(UIInput userNoComponent) {
  this.userNoComponent = userNoComponent;
}
public UIInput getHtmlInputText() {
  return userNoComponent;
}

Binding a component instance to a bean property has these advantages:

  • The backing bean can programmatically
    modify component attributes.
  • The backing bean can instantiate
    components rather than let the page
    author do so.

Find more details in this tutorial

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