Insert query string parameter into property of managed bean

Question

I wish to pre-populate a jsf form based on the parameters in a query string. How do I go about this?

Answer 1

Use the f:viewParam utility. Having this url:

/myForm.xhtml?nameField=Anthony

You can set the view parameter before the form itself gets rendered. Using this code in your form view:

<f:metadata>
    <f:viewParam name="nameField"
        value="#{formBean.name}" />
</f:metadata>
<h:form>
    <h:inputText value="#{formBean.name}" />
    <h:commandButton value="Send name" action="#{formBean.sendName}" />
</h:form>

The value you have specified will be set as default for the input.

See also:

• What can <f:metadata>, <f:viewParam> and <f:viewAction> be used for?

Answer 2

Write a bean function and call in ActionListener of that jsf page

Bean function code -

public void viewProperty(ActionEvent actionEvent) {
    
    FacesContext context = FacesContext.getCurrentInstance();
    
    BindingContext bindingContext = BindingContext.getCurrent();
    
    DCDataControl dc  = bindingContext.findDataControl("AppModuleDataControl"); // Name of application module in datacontrolBinding.cpx
    
    AppModuleImpl appM = (AppModuleImpl)dc.getDataProvider();
    
    ViewObject vo = appM.findViewObject("propertyInformationNew1"); //Name of ViewObject
    String brokerUsername = MyADFUtil.getFromSessionScope("brokerUsername").toString();   
    vo.setNamedWhereClauseParam("pBrokerProp", brokerUsername); //first value is parameter name and second one is value of that parameter
    vo.executeQuery();

}