eXo Platform 3.5

# Reference Guide / eXo JCR

## Java Content Repository and Extension services

The intended readers of this document are developers using eXo Platform. This document provides developers, and even beginners with the comprehensive knowledge of eXo JCR which is a powerful open source implementation of the Java Specification Request 170 also known as the Content Repository for Java technology API.

It is expected you will be able to use your gained knowledge here either for portlet development or as the first step to bundle eXo Portlet Container with your own Portal implementation to reach compliance with JSR 168 and JSR 286.

The guide is divided into the following chapters:

- eXo JCR: Instructions on how to configure and use eXo JCR in GateIn and standalone.

- eXo Kernel: Topics on eXo Kernel that is the basis of all eXo platform products and modules. The Kernel module also contains a set of very low level services, therefore throughout this chapter, beginners can gain the most basic knowledge of the service configuration.

- eXo Core: The comprehensive knowledge of eXo Core and how to use its services.

- eXo Web Services: Topics on the eXo Web Services module that allows eXo technology to integrate with external products and services.

- eXo JCR with GateIn: Instructions on how to extend your GateIn instance, and how to use AS Managed DataSource under JBoss AS.

- Frequently Asked Question: A list of all FAQs related to Kernel, JCR core, JCR extensions, WebDAV, and more.

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