Interfaces
Protocol handlers are components of the Microsoft SharePoint Portal Server Search service that access a content source in its native format. Use the protocol handler interfaces to implement protocol handlers.
The following table shows the interfaces implemented by protocol handlers, and a brief description of each.
| Name | Description |
|---|---|
| IFilter | Interface used for protocol handlers that access a hierarchical file system to enumerate files and directories. Also reads additional metadata properties associated with items in the content source. For more information about the IFilter interface, see IFilter Interface documentation. |
| ISearchProtocol | Protocol handler interface. Create a UrlAccessor object for an individual URL item. |
| IUrlAccessor | Main interface used for crawling items from the content source. Binds to appropriate Filter for item. |
| IProtocolHandlerSite | Interface used between the Gatherer and Filter Daemon to request and load additional IFilters. |
Related Topics
Introduction to Protocol Handlers