f:validateRequired

The f:validateRequired Facelet tag can be used to require a value from a UIInput Component. f:validateRequired activates the same validation logic as required="true" and UIInput.setRequired(true).

General Usage



                   

                  

                 

                

               

               
Source Code

               

                
                

                 

                  

                   
  1. <ui:composition xmlns="http://www.w3.org/1999/xhtml" xmlns:f="http://xmlns.jcp.org/jsf/core"
  2. 	xmlns:ui="http://xmlns.jcp.org/jsf/facelets" xmlns:h="http://xmlns.jcp.org/jsf/html">
  3.  
  4. 	<h:form>
  5. 		<label class="control-label">#{i18n['required']}</label>
  6. 		<h:inputText id="required" value="#{inputTextModelBean.text}"
  7. 			label="#{i18n['f-validaterequired-label']}">
  8. 			<f:validateRequired />
  9. 		</h:inputText>
  10. 		<br />
  11. 		<h:message for="required" />
  12. 		<hr />
  13. 		<h:commandButton value="#{i18n['submit']}">
  14. 			<f:ajax	execute="@form" render="@form" />
  15. 		</h:commandButton>
  16. 		<h:outputText value="#{inputTextModelBean.text}" />
  17. 	</h:form>
  18.  
  19. </ui:composition>

                  

                 

                 

                  

                   
  1. @ManagedBean
  2. @RequestScoped
  3. public class InputTextModelBean {
  4.  
  5. 	private Date date = new GregorianCalendar().getTime();
  6. 	private String text;
  7.  
  8. 	public Date getDate() {
  9. 		return date;
  10. 	}
  11.  
  12. 	public String getText() {
  13. 		return text;
  14. 	}
  15.  
  16. 	public void setDate(Date date) {
  17. 		this.date = date;
  18. 	}
  19.  
  20. 	public void setText(String text) {
  21. 		this.text = text;
  22. 	}
  23. }

                  

                 

                

               

               
 
               

              

              

               Liferay Faces Bridge Implementation 5.0.0 + Showcase Common 3.1.1 + Liferay Faces Util 3.4.1 + Mojarra 2.2.20