See also: Writing Registry Plugins and Identifier Validation

Plugin Requirements

  1. The name of the Plugin should match the format FooIdentifierValidator.
  2. The Plugin should implement a FooIdentifierValidator model and a corresponding controller (FooIdentifierValidatorsController).
    1. This model should belongTo CoIdentifierValidator.
    2. The controller should extend SIVController.
  3. The Plugin must declare whether or not it must be instantiated, as described below. For Plugins that are instantiated:
    1. When a new CO Identifier Validator is created, a skeletal row in the corresponding foo_identifier_validators table will be created. There is no add operation or view required. The skeletal row will point to the parent CO Identifier Validator.
    2. When a CO Identifier Validator is edited, the entry point to the Plugin will be foo_identifier_validator/foo_identifier_validators/edit/#. This will be called immediately after the parent CO Identifier Validator is created.
    3. Note CoIdentifierValidator has a hasOne (ie: 1 to 1) relationship with FooIdentifierValidator.
    4. The table foo_identifier_validators should include a foreign key to co_identifier_validators:id.
      1. Other tables used by the plugin should reference foo_identifier_validators:id.
  4. The Plugin must implement a validation routine in the FooIdentifierValidator model, as described below.


Identifier Validation Plugins may determine whether or not they should be instantiated. An instantiated Plugin requires configuration information, such as an LDAP server to query. A non-instantiated Plugin does not, such as a Plugin that determines if there are any non-ASCII characters in the identifier.

A plugin declares whether or not it needs to be instantiated in the FooIdentifierValidator model:

public $cmPluginInstantiate = true;

If a Plugin is instantiated, then 


The Plugin must implement a validation routine in the FooIdentifierValidator model, with the following signature:

public function validate($identifier, $coIdentifierValidator, $coExtendedType, $pluginCfg=null)


Return Values

If validate determines the $identifier to be acceptable/valid, it returns true. Otherwise, the function should throw an exception in accordance with the type of error.

The message passed with the exception should be a localized string suitable for display to the user.