“Build your own CMS with Apache Sling”By Bob Paulin

Paulin Solutions LLC

Independent Developer/Architect/Lead

Focused on:Web Centric Application Development

MobileDevelopment Support

Stuff Sling doesn't give you BYO...

Robust Login SecurityXSS ProtectionWYSIWYG Editors

The Problem:I want to create a content driven website.

Lots of Options

STOP!

Do one of these meet all of my needs or are they just part of the solution?

Why not use a framework instead!

SLING

What is Sling?

Best of Breed

Apache Felix (OSGi)Apache Jackrabbit (JCR)REST

Who's already using Sling?

Adobe CQ 5

How does Sling Work?

Sling Post ServletOne stop shop for Content CRUD

http://sling.apache.org/site/manipulating-content-the-slingpostservlet-servletspost.html

Create/Modifycurl -u admin:admin -Fmulti=one -Fmulti=two

http://localhost:8080/content/sample

Copy/Movecurl -u admin:admin -F":operation=copy" -F":dest=/content/target"

http://localhost:8080/content/sample

Deletecurl -u admin:admin -F":operation=delete" http://localhost:8080/content/target

Resource ResolutionHow do I get what I want how I want it

http://sling.apache.org/site/dispatching-requests.html

http://sling.apache.org/site/url-decomposition.html

Method

Resource Path Selectors Extension Suffix

POST /content/project/test.page.html/cool

HTML/content/sample.html

JSON/content/sample.json

XML/content/sample.xml

JCRWhat no tables?

Putting it all together

Everything is content.Configuration

ScriptsAssets

Everything.

Other fun OOTB Stuff

Authentication (form based, openid)Scheduling (Quartz)Version Control (JCR)Other JVM Languages (EcmaScript, Groovy, Scala.....)

Lets do some CODING!!

RecipeJDK 1.6EclipseMaven

Apache SlingGit

BootstrapjQuery

ckeditor

Installing Sling

1) Place JAR in Directory

2) java -jar -Xmx1024m -XX:MaxPermSize=256m -

agentlib:jdwp=transport=dt_socket,address=30303,server=y,suspend=n

org.apache.sling.launchpad-6-standalone.jar

Generate Project Archetypes

1) Create Parent POM2) Create module sling-initial-content-archetype

Install a few bundles from extras

http://localhost:8080/system/console/bundles

1) Sling Engine 2.2.4 (Bug Fix)2) JSTL libs3) Groovy

Create a Base Script

1) HTML boilerplate2) Styles (bootstrap)3) Any JavaScript4) Test Content

Create a WYSIWYG Page

1) Import ckeditor JavaScript libs2) Add JavaScript Include to head.jsp3) Create new Script for content page4) Add sling include to base script5) Add content node to Home Page

Create a Build a New Page...Page

1) Create new Script2) Add content node3) Add to menu

Build an Image Upload Page

1) Create image upload script2) Add content node3) Add to menu

Making it Groovy!(or Scala or Ruby or whatever you're willing to implement with

JSR 233)

Build a Menu that builds itself

<%def resourceResolver = request.getResourceResolver();

def rootContent = resourceResolver.getResource("/content/slingdemo/home");

%><% rootContent.listChildren().each{ curRes -> if(curRes.isResourceType("slingdemo:base")) { def curPageNode = curRes.adaptTo(javax.jcr.Node); %> <li><a href="<%=curRes.getPath()%>.html"><%= curPageNode.getProperty("title").getString()%></a></li> <% }}%>

Make the Image Page Groovy

<%def resourceResolver = request.getResourceResolver();def rootContent =

resourceResolver.getResource("/content/slingdemo/assets/img");

%>

<% rootContent.listChildren().each{ curRes ->

%><img src="<%= curRes.getPath()%>"/></br>

<%}

%>

References

https://github.com/bobpaulin/sling-cms-demohttp://sling.apache.org/site/index.html

http://dev.day.com/content/docs/en/cq/current/developing/sling_cheatsheet.html

Questions

??????

Thank You.

Go forth and enjoy Sling

Email: bob@bobpaulin.comTwitter: @bobpaulinLinkedin: http://www.linkedin.com/in/bobpaulinBlog: http://bobpaulin.com