edu.ucsb.adl.middleware
Interface UnreferenceServiceGatekeeper

All Known Implementing Classes:

BasicPasswordGatekeeper, CombinationGatekeeper, ConstantGatekeeper, IPAddressGatekeeper

public interface UnreferenceServiceGatekeeper

The interface between the ADL unreference service and the gatekeeper that controls access to the service. The ADL unreference service creates the gatekeeper by dynamically loading the gatekeeper class and calling the following class method:

public static UnreferenceServiceGatekeeper createGatekeeper (
    ExtendedProperties propertyList, String argument)

Gatekeeper startup parameters can be obtained from propertyList. argument is an additional, gatekeeper-specific startup parameter.

Version:

$Header: /export/home/gjanee/middleware/edu/ucsb/adl/middleware/RCS/UnreferenceServiceGatekeeper.java,v 1.2 2004/09/21 18:22:27 gjanee Exp $

$Log: UnreferenceServiceGatekeeper.java,v $ Revision 1.2 2004/09/21 18:22:27 gjanee
Minor documentation change.

Revision 1.1 2001/09/04 18:01:29 gjanee
Initial revision

Author:

Greg Janée
Alexandria Digital Library

Method Summary

void	destroy() Frees any resources held by the gatekeeper.
boolean	unreferenceServiceAllowed(javax.servlet.ServletRequest request, java.lang.String collection) Returns true if the request is authorized, that is, if the client is allowed to unreference the specified remote collection.

Method Detail

unreferenceServiceAllowed

public boolean unreferenceServiceAllowed(javax.servlet.ServletRequest request,
                                         java.lang.String collection)
                                  throws MiddlewareException

Returns true if the request is authorized, that is, if the client is allowed to unreference the specified remote collection. This method must be multithread-safe.

Parameters:

request - The full request.

collection - The local collection name, e.g., "adl_catalog".

Returns:

true if the request is authorized.

Throws:

BadRequestException - If request is not valid.

InternalErrorException - If the authorization cannot otherwise be determined.

MiddlewareException

See Also:

UnreferenceService

destroy

public void destroy()

Frees any resources held by the gatekeeper.