PrettyFaces presentation at Devoxx 2010

1. Beautiful Java EE: URL-rewriting for the
next generation web-user
Lincoln Baxter, III – JBoss by Red Hat, Inc.
prettyfaces

2. 22
#devoxx #prettyfaces
( At this time, the audience is
encouraged to use PDAs, cell
phones, and other portable
electronic devices... )

3. 3
Lincoln Baxter, III (@lincolnthree, @ocpsoft)
●
Senior Software Engineer – JBoss, by Red Hat – Seam Team
●
Expert Group Member (jcp.org) of JavaServer Faces and #{EL.next}
●
Open-source advocate (addict)
●
Founder of http://ocpsoft.com/
●
Creator of PrettyFaces & PrettyTime utilities for Java EE & Java
●
http://seamframework.org
●
http://jboss.org

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/ PrettyFaces
/ background
/ basics
/ demo
/ conclusion
URL-rewriting for Servlet, JSF, and Java EE with:

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• Initially developed as a URL-rewriting extension for
Java Server Faces.
– Enabled bookmarks in JSF 1.2
• Grown to become feature-rich as more users
contribute.
• Does what you mean, and what you say.
• Now evolving beyond JSF, into pure Servlet and Java
EE.

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http://www.llbean.com/webapp/wcs/stores/servlet/
CategoryDisplay?
categoryId=28&storeId=1&catalogId=1&langId=-
1&nav=hp-gndp
http://www.llbean.com/webapp/wcs/stores/servlet/
CategoryDisplay?
categoryId=28&storeId=1&catalogId=1&langId=-
1&nav=hp-gndp
It's about avoiding this...
Vulnerable!
Cluttered!
Real­life:
wtf?
wtf?

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It should have been...
http://llbean.com/kids

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/ PrettyFaces
/ background
/ basics
/ demo
/ conclusion

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PrettyFaces is...
“A URL rewriting extension for Servlet containers, Java
EE, with optional tight-integration for JSF and other
frameworks.”

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<url-mapping>
<pattern value = ”/store” />
<view-id> /faces/store.xhtml </view-id>
</url-mapping>
http://example.com/store
http://example.com/faces/store.xhtml

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PrettyFaces is...
“A URL parameterization framework.”

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<url-mapping>
<pattern value =
”/store/#{ category }/#{ item }” />
<view-id> /faces/store.xhtml </view-id>
</url-mapping>
http://example.com/store/shoes/xrunner-pro
request.getParameter(“category”) == “shoes”
request.getParameter(“item”) == “xrunner-pro”

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<url-mapping>
<pattern value =
”/store/#{ category }/#{ item }” />
<view-id> /faces/store.xhtml </view-id>
</url-mapping>
http://example.com/store/shoes/xrunner-pro
http://example.com/faces/store.xhtml?category=shoes&item=xrunner-pro
+
=

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PrettyFaces is...
“An action framework for JSF.”

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<url-mapping>
<pattern value =
”/store/#{ category }/#{ item }” />
<view-id> /faces/store.xhtml </view-id>
<action> #{ storeBean.loadItem } </action>
</url-mapping>
http://example.com/store/shoes/xrunner-pro
public String loadItem() { ... }

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PrettyFaces is...
“A simplified navigation framework for JSF.”

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public String loadItem()
{
if( itemNotFound ) {
addMessage(“Sorry, we could not find that
item.”);
return “pretty:store”; →
http://example.com/store
}
else {
return null;
}
}

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<url-mapping id=”store”>
<pattern value = ”/store” />
<view-id> /faces/store.xhtml </view-id>
</url-mapping>

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PrettyFaces is...
“Extendable, configurable.”

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com.ocpsoft.pretty.faces.spi.ConfigurationProvider
com.ocpsoft.pretty.faces.spi.ConfigurationPostProcessor
com.ocpsoft.pretty.faces.spi.ELBeanNameResolver
…
com.ocpsoft.pretty.faces.spi.More ?

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PrettyFaces is...
“Freedom to choose.”

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“The future is not set.”
.jsp
.jsf
.php
???
.do
.cgi
.asp

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“There is no fate,
but what we make for ourselves.”
/

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/ PrettyFaces
/ background
/ basics
/ demo
/ conclusion

25. Demo

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/ PrettyFaces
/ background
/ basics
/ demo
/ conclusion

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• URL-rewriting
• URL-parameterization
• Action-framework for JSF (Servlet soon)
• Navigation framework for JSF (Servlet soon)
• Extendable, configurable
• Doing what you mean, and what you say.
• Waiting for your ideas!
PrettyFaces is...

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“Beautiful Java EE: URL-rewriting for the next
generation web-user”
PrettyFaces is...

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?GET /PrettyFaces?slide=questions