5 steps to add facelets in a JSF application
I bet there are million ways to add Facelets in a JSF project. Here is my approach that worked for me.
1. Add these to web.xml
<context-param> <param-name>javax.faces.DEFAULT_SUFFIX</param-name> <param-value>.xhtml</param-value> </context-param> <context-param> <param-name>facelets.REFRESH_PERIOD</param-name> <param-value>2</param-value> </context-param> <context-param> <param-name>facelets.DEVELOPMENT</param-name> <param-value>true</param-value> </context-param>
2. Create index.html under root and add redirect
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head><meta http-equiv="Refresh" content="1;url=body/index.iface"></head> <body>Initializing...</body> </html>
3. Create facelets directory under WEB-INF/
Create template, header, footer etc.
Here is my template.xhtml under WEB-INF/facelets dir.
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml" xmlns:ui="http://java.sun.com/jsf/facelets" xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core" xmlns:ice="http://www.icesoft.com/icefaces/component" > <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8" /> <title><ui:insert name="title">HR Sign up</ui:insert></title> <ice:outputStyle href="./xmlhttp/css/xp/xp.css" /> </head> <body background="" title=""> <table border="0px" cellspacing="0px" cellpadding="0px" width="800px"> <caption> <!-- START of banner --> <ui:include src="header.xhtml" /> <!-- END of banner --> </caption> <tr valign="top" align="left"> <!-- START of side-bar --> <td> <ui:include src="menu.xhtml" /></td> <!-- END of side-bar --> <td width="100%"> <table border="0" cellspacing="0" cellpadding="0"> <tr valign="top" align="left"> <td> <ui:insert name="body">Body</ui:insert></td> </tr> </table> </td> </tr> </table> </body> </html>
This file is under WEB-INF/facelets/header.xhtml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <ui:composition xmlns:f="http://java.sun.com/jsf/core" xmlns:ice="http://www.icesoft.com/icefaces/component" xmlns:ui="http://java.sun.com/jsf/facelets"> Header Include </ui:composition>
This file is under WEB-INF/facelets/menu.xhtml
<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <ui:composition xmlns:f="http://java.sun.com/jsf/core" xmlns:ice="http://www.icesoft.com/icefaces/component" xmlns:ui="http://java.sun.com/jsf/facelets"> Left Menu </ui:composition>
This file is under /body/index.xhtml (index.iface)
<ui:composition xmlns:h="http://java.sun.com/jsf/html" xmlns:f="http://java.sun.com/jsf/core" xmlns:ice="http://www.icesoft.com/icefaces/component" xmlns:ui="http://java.sun.com/jsf/facelets" template="/WEB-INF/templates/template.xhtml"> <ui:define name="body"> <ice:outputText value="This is home index" /> <ice:form> </ice:form > </ui:define> </ui:composition>
4. Add view handler in the faces-config.xml
<application> <view-handler> com.sun.facelets.FaceletViewHandler </view-handler> </application>
5. Add jar files to the class path
el-api-1.0.jar, el-ri.jar, jsf-facelets1.1.13.jar
Here is the MyEclipse project screen shot:
Cations: Be careful about putting any other files under WEB-INF dir because the container is forbidden from serving up any files in WEB-INF, unless you’re using java code to serve it, the browser won’t get it. I have put a .js file under WEB-INF and tried to load from template.xhmtl, did not work.
Solution: I have created an ‘incl’ directory under web and stuck the .js file and here how I am accessing from template.xhtml: <script type=”text/javascript” src=”../incl/hrTraining.js”> </script> and it worked.
Dynamically look up Web app name (From Marty’s web site):
– And put on the front of URLs after a slash
• Technique
– Use expression language
• ${facesContext.externalContext.requestContextPath}
• Example
– <img src=”${facesContext.externalContext.requestContextPath}/images/pic1.jpg”/>
Facelets Resources:
Jacob Hookom: Why Facelets?
http://www.jsfcentral.com/articles/facelets_1.html
– Facelets isn’t dependent on a Web Container
https://facelets.dev.java.net/
– Use facelets for layout
– JSF plugable view handler, facelets is an alternate view handler
– No one uses jsfc tags unless your programmer and web designer are in different group.
Richard Hightower: Best intro for Facelets: http://www-128.ibm.com/developerworks/java/library/j-facelets/ (Download j-faceletsjarsandwars.zip, unzip it and deploy .war file in Glash flash)
– facelets is JSF’s view framework
– facelet means no jsp
– JSP and JSF has two different life cycle (overhead)
– JSP is created to generate dynamic output not to create component trees
– Faster render
– With JSP, mixing JSF and JSTL is problematic. Facelets brings limited but faultless support <c:if> <c:forEach> <c:catch> <c:set>
– Saves JSF from the burden of JSP
– Templating and composition plus bonuses like el functions
Marty Hall’s Facelet Tutorial: http://courses.coreservlets.com/Course-Materials/pdf/jsf/15-Facelets-Templating.pdf
Facelets documentation: https://facelets.dev.java.net/nonav/docs/dev/docbook.html#config-webapp
Netbeans Facelets Plugin: https://nbfaceletssupport.dev.java.net/features.html
I think, MyEclipse has the best Facelets support so far. I am using MyEclipse 7.0
Facelets ROCKS! Thank you to Jacob Hookman, the Facelets god.
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