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  • Book Overview & Buying Alfresco Developer Guide
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Alfresco Developer Guide

Alfresco Developer Guide

By : Jeff Potts
4 (7)
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Alfresco Developer Guide

Alfresco Developer Guide

4 (7)
By: Jeff Potts
Buy this Book

Overview of this book

This book will guide you through the steps necessary to add image, video, and audio elements into your Drupal sites. For each topic, you start with simple techniques and move on to more advanced techniques. By the time you've completed this book, you should have a firm ground from which to tackle most multimedia needs, and enough of an understanding to creatively solve more complex problems. This book will provide information for administrators and professional site developers who are required to embed multimedia into a Drupal site. The reader needs basic knowledge of Drupal operation, but no experience of how Drupal handles multimedia items is expected.
Table of Contents (17 chapters)
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Alfresco Developer Guide
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Alfresco Developer Guide
Credits
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Credits
About the Author
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About the Author
About the Reviewers
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About the Reviewers
Preface
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Preface
Lock Free Chapter
1
The Alfresco Platform
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The Alfresco Platform
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Alfresco in the Real World
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Example Used throughout This Book
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Alfresco Architecture
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Customizing Alfresco
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Dusting Off Your Toolbox
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Understanding Alfresco's Editions
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Summary
2
Getting Started with Alfresco
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Getting Started with Alfresco
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Obtaining the SDK
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Setting up the SDK in Eclipse
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Extending Alfresco
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Packaging and Deploying Customizations
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Troubleshooting
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Starting Over
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Summary
3
Working with Content Models
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Working with Content Models
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Defining SomeCo's Content Model
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Step-by-Step: Relating Types with Associations
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Step-by-Step: Adding Aspects to the Content Model
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Step-by-Step: Finishing up the Model
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Modeling Summary
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Modeling Best Practices
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Configuring the UI
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Working with Content Programmatically
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Summary
4
Handling Content Automatically with Actions, Behaviors, Transformers, and Extractors
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Handling Content Automatically with Actions, Behaviors, Transformers, and Extractors
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Encapsulating Content Operations in Actions
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Binding Logic to Custom Types with Behaviors
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Extracting Metadata from Files
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Transforming Content from One Format to Another
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Summary
5
Customizing the Web Client User Interface
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Customizing the Web Client User Interface
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Knowing When to Customize Alfresco's Web Client and When to Write Your Own
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Adding New Menu Items with UI Actions
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Writing Action Evaluators to Show/Hide UI Actions
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Changing How the Web Client Renders Data with Custom Component Renderers
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Creating Custom Dialogs
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Creating Custom Wizards
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Customizing Web Client JSP Pages
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Summary
6
Exposing Content through a RESTful API with Web Scripts
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Exposing Content through a RESTful API with Web Scripts
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Introducing the Web Script Framework
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Planning the SomeCo Whitepapers and Ratings API
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Retrieving Data with Web Scripts
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Writing Java-Backed Web Scripts
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Wiring a Web Script to UI Widgets
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Handling Form Data
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Customizing the Web Client with Web Scripts
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Advanced Web Scripts
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Summary
7
Advanced Workflow
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Advanced Workflow
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What is a Workflow?
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Creating Process Definitions
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Using the jBPM Graphical Process Designer
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Wiring a Process to the Alfresco UI
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Assigning Tasks to Users and Groups
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Adding Logic to Workflows with Actions and Process Variables
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Using the Workflow API
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Using Timers
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Debugging Workflows
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Comparing Alfresco Workflow Options
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Summary
8
Web Content Management
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Web Content Management
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Understanding the Difference between Alfresco DM and Alfresco WCM
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Obtaining Alfresco WCM
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Creating Web Projects
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Creating Web Forms
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Deploying Content
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Performing Post-Deployment Processing
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Modifying and Creating WCM Workflows
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Working with the AVM API
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Using the AVM Console
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Summary
9
Security
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Security
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Authenticating and Synchronizing with LDAP
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Setting Up Single Sign-On (SSO)
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Working with Security Services
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Summary
1
API Reference and Examples
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API Reference and Examples
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Foundation API Public Services
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Lucene Queries
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JavaScript
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API Examples
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Alfresco Configuration Reference
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Alfresco Configuration Reference
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Actions
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Web Client Config Elements
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Action Groups
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Metadata Extractors
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Transformers
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Graphical View of the Alfresco Content Model
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Index
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Index

Creating Process Definitions

JBoss jBPM is an open source, standalone workflow engine. OK, it is more than just a standalone workflow engine. JBoss rightly calls jBPM a "platform for graph-based execution languages". Workflow is one of several different domains that can be addressed with a graph-based execution language, but it is the only one this book concerns itself with.

The jBPM engine is responsible for managing deployed processes, instantiating and executing processes, persisting process state and metadata to a relational database (via Hibernate), and tracking task assignment and task lists.

jBPM is built on the idea that any process can be described as a graph or a set of connected nodes. Workflows are described with "process definitions" using an XML-based language called Java Process Definition Language (jPDL). jPDL is one example of a graph-based execution language. Others include BPEL for service orchestration and SEAM pageflow.

In jPDL, each node represents a step in a workflow...

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Tech Concepts
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Programming languages
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Alfresco Developer Guide
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