Technical Specifications

Read more about the open standards and use of today's most innovative technologies that make Liferay Portal the de-facto open alternative to commercial portal products.

Deployment Compatibility

Operating Systems

• Linux (CentOS, RHES, SUSE, Ubuntu, and others)
• Unix (AIX, HP-UX, Mac OS X, Solaris, and others)
• Windows

Servlet Containers

• Jetty
• Resin
• Tomcat

Application Servers

• Geronimo
• GlassFish
• JBoss 
• JOnAS 
• OracleAS
• SUN JSAS 
• WebLogic 
• WebSphere

Java Runtimes

• Java Standard & Enterprise Edition (SE/EE) 5
• Java Standard & Enterprise Edition (SE/EE) 6

Databases

• IBM DB2
• MySQL
• Oracle
• PostgresSQL
• SQL Server
• Sybase

Public & Private Clouds

Liferay Portal is deployable to the cloud and virtualized environments, including EC2, Elastic Beanstalk, and VMWare.

Portal Details

Technologies Used

• AJAX
• Apache ServiceMix
• ehcache
• Groovy
• Hibernate
• ICEfaces
• Java J2EE/JEE
• JGroups
• Lucene
• MuleSource ESB
• Seam
• Spring 3.0 & AOP
• Struts & Tiles
• Tapestry
• Velocity

Scripting Language Support

• Javascript
• Ruby
• PHP
• Python

Standards

• AJAX
• iCalendar & Microformat
• JSR-168
• JSR-127
• JSR-170
• JSR-286 (Portlet 2.0)*
• JSR-314 (JSF 2.0)
• OpenSearch
• CMIS

Web Services

• JSON
• Hessian
• Burlap
• REST
• RMI
• Spring HTTP
• WSRP (full support for 1.0 and 2.0)
• WebDAV

Architecture

• Hierarchical and extensible system of communities and organizations
• Replicable templated communities and organizations
• Message-oriented architecture leveraging Liferay's lightweight message bus, Mule, or ServiceMix ESB.
• Dependency injection provides pluggable service implementations

Identity Management

• LDAP Authentication and Synchronization
• Oracle Access Manager
• Novell Identity Manager
• Sun Identity Manager / Open SSO
• SiteMinder
• Tivoli

Performance & Scalability

• Clustering at any combination of tiers (presentation, service, business logic, and database)
• Terracotta DSO integration
• Advanced Caching (Ehcache, Memcached)
• Page Caching
• Load Balancing
• Static Content Export 
• Portlet Performance Monitoring
• Code Performance Monitoring

Security

Liferay Portal uses industry standard, government-grade encryption technologies including advanced algorithms such as DES, MD5 and RSA. Liferay was benchmarked as among the most secure portal platforms using LogicLibrary's Logiscan suite.

• Pluggable Authentication
• Email Verification
• Granular Permissioning
• LDAP Authentication
• Session Management

Single Sign On

• CAS and Siteminder out of the box
• Support for JAAS, JOSSO, LDAP, Netegrity, Microsoft Exchange

Content Management

Document Library

• JSR-170 compliant Java Content Repository
• CMIS 1.0 Support
• Check in/check out
• Integration with Microsoft Office® 
• Versioning
• Workflow
• Fine grained permissioning
• Multi-file uploads
• File format conversion among common formats like Microsoft Office, PDF, TXT and HTML (import and export)
• WebDAV enabled
• Image gallery

Themes & Layout

• User group page templates
• Administrator-defined page/layout templates
• Automatic page structure inheritance
• jQuery standardized
• Semantic & nonobtrusive markup
• LAR import/export of themes
• Hot-deployable

Language Support

• I18N support for any language
• Ships with default translations for 32 languages.

Web & Workspace Publishing

• One-click page creation 
• Rich (WYSIWG) text editors
• Separation of content from layout
• Reusable content
• CSS
• Logical content templates using either Velocity or XSL
• Bookmarks
• Dynamically generated site taxonomy
• Drag and droppable site map
• Sitemaps protocol support
• Search Engine Optimization (SEO)
• OpenSearch
• Live page editing
• Staging and scheduling to remote servers
• Friendly URLs
• Meta tagging

Knowledge Management

• KnowledgeBase portlet for team-driven creation of content and knowledge stores (see Features for details)
• Taxonomy (categorization) framework
• Framework to add taxonomies to custom portlets
• Web Content Management, Wiki, Knowledge Base Taxonomy-enabled
• Category-based navigation

Collaboration & Social

Wikis

• Rich text editor (WYSIWYG)
• Versioning & reversion
• Creole syntax support
• File attachments
• Threaded comments
• Recent changes tracking
• LDAP integration
• Tag-based navigation
• RSS

Blogs

• Rich Text Editor (WYSIWYG)
• Social bookmarking
• Threaded comments
• Tags and Labels
• Social Bookmarking
• Rating system
• Trackback URLs
• RSS

Message Boards

• Rich text editor (WYSIWYG)
• Role-based permissioning 
• User data display
• Threaded comments and categories management
• Versioning
• Statistics
• Recent posts
• Email based subscriptions 
• RSS
• Presence

KnowledgeBase

• Rich text editor (WYSIWYG)
• Threaded articles
• Versioning
• Easy creation of content with templates
• Print to PDF
• File attachments
• Integration with Open Search
• Inheritance based permissioning
• Inheritance based subscriptions/RSS
• Rating system
• Threaded comments

 

Calendar

• AJAX-based interface
• iCal and Microformats support
• Task lists for event creation, management, and search
• Events sharing across communities
• Event reminders via email, IM, or SMS

 

Webmail Client

• Rich text editor (WYSIWYG)
• AJAX-based interface
• Multiple email accounts
• Supports IMAP and SMTP
• Custom preconfigured accounts

Instant Messaging

• AJAX-based IM client
• User profile pictures
• User controlled status updates
• Chat sessions persist across all pages

 

Presence & Social

• AJAX chat client
• Dynamic friend list
• Activity wall
• Activity tracker with Activity Tracker API
• Mashups & Integration

 

Mashups & Integration

• User location map 
• Facebook
• OpenSocial container / Shindig
• iGoogle / Google Gadget
• NetVibe

 

Alerts & Announcements

• AJAX-based
• Targeted group delivery
• Remote delivery (email, SMS)

Source from : http://www.liferay.com/products/liferay-portal/tech-specs