[Wiki] created: Doc/Dev/RegistryH4

slusarz  Tue, 02 Feb 2010 15:05:08 -0500

Created page: http://wiki.horde.org/Doc/Dev/RegistryH4

+ The Registry (Horde_Registry)

Horde's Registry is the sole method to initialize the Horde  
environment and is the glue that holds different applications together.

* The Registry system keeps track of Horde's application stack, and  
which app is currently running.
* When you switch applications, the registry will take care of  
correctly switching the gettext textdomain, loading the application  
configuration, and loading the user's application preferences.
* It also lets you determine configuration information about installed  
applications.
* The Registry lets you generate links to other apps.
  * Links will be to the application that provides the functionality.
  * Any arguments that the target script needs (headers for an email,  
for instance) will be filled out of the second argument to link().
* The Registry also lets you invoke methods in other applications
  * The registry.php config file defines where to find the code  
necessary to execute the method, and what application implements it.
  * Any application can be integrated this way; all you need to do is  
map it to the registry interface.

Things the Registry does when being instantiated:

# Importing the global configuration
# Setting up configuration of various framework libraries (via Horde_Injector)
# Setting up the session handler and starting the session
# Setting the language and gettext domain
# Restoring the registry information from cache or loading and parsing  
the registry configuration from {{config/registry.php}}
# Instantiating the global ((Doc/Dev/PermsPackage|Permission)) object  
(TODO: should be removed in favor of Horde_Injector)

((Doc/Dev/FrameworkPackage|Click here)) for Registry usage examples.

[http://cvs.horde.org/co.php/horde/config/registry.php.dist?rt=horde-git Click  
here] for documentation on how to configure the  
{{horde/config/registry.php}} file.


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