Structure for multiple JSF projects with shared code

I have two JSF projects that share a lot of code - java classes, xhtml files, tag libraries, css and javascript files etc. My dev environment/platform consists mainly of Eclipse, Ant, Perforce and Tomcat.

Has anyone found a way to create and organize the shared code so that the common code can stay within one set of folders?

Eclipse makes it easy to add external folders for java sources, but falls short on the other file types. I'd appreciate any ideas.

Answers


Create a new "Java Project" in Eclipse. Add it as another project to the Deployment Assembly property of the main dynamic web project. This way it will automatically end up as a JAR in /WEB-INF/lib of the build of the web project. Since newer Eclipse versions, you can also create the project as "Web Fragment Project". This way the Deployment Assembly step will be done automatically.

Put all those shared JSF2/Facelets resource files in /META-INF/resources folder of the Java project. Just treat it like WebContent/resources of the main web project. Tagfiles can just be kept in their own /META-INF/tags folder.

E.g.

CommonWebProject
 |-- META-INF
 |    |-- resources
 |    |    `-- common
 |    |         |-- css
 |    |         |    `-- some.css
 |    |         |-- js
 |    |         |    `-- some.js
 |    |         |-- images
 |    |         |    `-- some.png
 |    |         |-- components
 |    |         |    `-- somecomposite.xhtml
 |    |         `-- sometemplate.xhtml
 |    |-- tags
 |    |    `-- sometag.xhtml
 |    |-- faces-config.xml
 |    |-- some.taglib.xml
 |    |-- web-fragment.xml
 |    `-- MANIFEST.MF
 :

with

<h:outputStylesheet library="common" name="css/some.css" />
<h:outputScript library="common" name="js/some.js" />
<h:graphicImage library="common" name="images/some.png" />
<common:somecomposite />
<common:sometag />
<ui:include src="/common/sometemplate.xhtml" />
...

If you want to trigger the JSF2 annotation scanner as well so that you can put @ManagedBean, @FacesValidator, @FacesConverter and consorts in that project as well, create a JSF2 compatible /META-INF/faces-config.xml file as well (it can even be kept empty).

<?xml version="1.0" encoding="UTF-8"?>
<faces-config
    xmlns="http://java.sun.com/xml/ns/javaee"
    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
    xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-facesconfig_2_0.xsd"
    version="2.0">
</faces-config>

That's all.

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