CSW 2.0.2

CSW 2.0.2 follows HTTP protocol, supports the following implementation models:

HTTP KVP (Key-Value Pair) method
XML method

SuperMap iServer CSW service implements searching, discovery and registration of spatial data and service metadata using GetCapabilities, DescribeRecord、GetDomain, GetRecords, GetRecordById and Transaction operations.

Category	Operation	HTTP method	Data encoding	Description
Service class	GetCapabilities	GET(POST)	KVP(XML)	Get basic information of CSW service.
Query class	DescribeRecord	POST(GET)	XML(KVP)	Get information object model supported by service.
	GetDomain	POST(GET)	XML(KVP)	Get the metadata attribute or parameter's types and ranges.
	GetRecords	POST	XML	Query the metadata, return query results satisfying the conditions.
	GetRecordById	GET	KVP	Get the metadata records of specified ID.
Manage class	Harvest	POST(GET)	XML(KVP)	(pulls) insert and update the qualified metadata initiatively.
Manage class	Transaction	POST	XML	(push) insert, update or delete metadata passively.

The supported operations of SuperMap iServer CSW service are shown as follows:

GetCapabilities, return description information of the service features and metadata. It's a necessary operation.
GetRecords, this operation is used to search the contents of registration object, return all results satisfying the conditions. It's a necessary operation.
GetRecordbyId, return registration object by identifier. It's a necessary operation.
DescribeRecord, return all supported information object model. It's a necessary operation.
GetDomain, return the ranges of metadata parameters. It's an optional operation.
Transaction, allow users to insert, delete and update directory contents. It's an optional operation.
Harvest, this operation register metadata information into local category service by parsing metadata HTTP address or remote OGC service address.