franzwong/jsf.md

## jsf.md

      
    Raw
  

              jsf.md
            
          
usage of h:selectOneMenu

<h:selectOneMenu value="#{manageStudent.student.gender}">
    <f:selectItem itemLabel="- Select Gender -" itemValue=""/>
    <f:selectItems value="#{manageStudent.genders}"/>
</h:selectOneMenu>

get HttpServletRequest and HttpServletResponse in managed bean

HttpServletRequest request = 
	(HttpServletRequest)FacesContext
		.getCurrentInstance()
		.getExternalContext()
		.getRequest();

HttpServletResponse response = 
	(HttpServletRequest)FacesContext
		.getCurrentInstance()
		.getExternalContext()
		.getResponse();

include another xhtml page

main.xhtml
<html xmlns="http://www.w3.org/1999/xhtml"
	xmlns:f="http://java.sun.com/jsf/core"
	xmlns:h="http://java.sun.com/jsf/html"
	xmlns:ui="http://java.sun.com/jsf/facelets">
	<h:body>
		<ui:include src="content.xhtml"/>
	</h:body>
</html>
content.xhtml
<ui:composition 
    xmlns="http://www.w3.org/1999/xhtml"
    xmlns:f="http://java.sun.com/jsf/core"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:ui="http://java.sun.com/jsf/facelets">
    <h2>Hello</h2>
</ui:composition>

create template for xhtml

template.xhtml
<html xmlns="http://www.w3.org/1999/xhtml"
	xmlns:f="http://java.sun.com/jsf/core"
	xmlns:h="http://java.sun.com/jsf/html"
	xmlns:ui="http://java.sun.com/jsf/facelets">
	<h:head>
        <title><ui:insert name="title">Title here</ui:insert></title>
    </h:head>
	<h:body>
		<ui:insert name="content">Content here</ui:insert>
	</h:body>
</html>
welcome.xhtml
<ui:composition template="template.xhtml"
    xmlns="http://www.w3.org/1999/xhtml"
    xmlns:f="http://java.sun.com/jsf/core"
    xmlns:h="http://java.sun.com/jsf/html"
    xmlns:ui="http://java.sun.com/jsf/facelets">

    <ui:define name="title">
        Welcome!!
    </ui:define>

    <ui:define name="content">
        <p>Hello World!!!</p>
    </ui:define>
</ui:composition>