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MidCOM
MidCOM (short for "Midgard Component Framework") is a framework for developing web applications and content management systems. It provides a number of services, a [database abstraction layer](MidCOM DBA) (DBA for short) around Midgard objects and an interface for writing modules in the form of Components.
MidCOM offers a Style Engine for customizing output. Routing is component and topic-based and can be extended with MidCOM URL Methods to embed commands into request URLs. Many more MidCOM Features are described in a separate article.
See also:
See MidCOM Configuration for an overview of config options.
Components can be configured in a special Snippetdir called sitegroup-config. To configure a Component, a Subsnippetdir with the name of the component has to be created. Alternatively, global component configuration can be done in Asgard. Configuration on a per-Topic-level can be done in a MidCOM Toolbar. See MidCOM Component Configuration for details.
Most administration tasks are handled from the MidCOM Toolbars, which dynamically load a number of plugins to control different aspects of the MidCOM system, for example:
midcom.admin.folder - Topic management
midcom.admin.rcs - RCS system
For MidCOM versions starting at 2.8., Asgard, unifies many of these admin features and provides a generic MidCOM object editor.
MidCOM was originally developed separate from the Midgard
core, but was later included in the standard distribution. Before
version 2.0, MidCOM's functionality was stored in the
database, starting from version 2.0, it is stored in the file system.
midcom-fs is the designation for current versions, as opposed to
midcom-db, which refers to 1.x versions.
The most recent release by the Midgard Project is the 8.09 LTS series, which was supported until 2013. OpenPSA was forked from MidCOM in November 2010 at the Midgard developer meeting and is developed independently since then.
The new OpenPSA application and the underlying framework start with version number 9.
https://github.com/flack/openpsa - github repository (9.0 series)
http://api.openpsa2.org/ - API documentation
Content production with MidCOM
http://www.midgard-project.org/documentation/midcom/ - The 8.09 series MidCOM documentation page
http://trac.midgard-project.org - developer services (8.09 series)