# Uses of Interface
org.apache.sis.xml.IdentifierSpace

Packages that use IdentifierSpace
Package
Description
org.apache.sis.metadata.iso.citation
Reference to the data or service (citation, responsible party, contact information).
org.apache.sis.xml
Provides methods for marshalling and unmarshalling SIS objects in XML.

- ## Uses of IdentifierSpace in org.apache.sis.metadata.iso.citation

  Fields in org.apache.sis.metadata.iso.citation declared as IdentifierSpace
  Modifier and Type
  Field
  Description
  `static final IdentifierSpace<Integer>`
  Citations.`EPSG`
  The authority for identifiers of objects defined by the EPSG Geodetic Parameter Dataset.
  `static final IdentifierSpace<String>`
  Citations.`ESRI`
  The authority for identifiers of objects defined by ESRI.
  `static final IdentifierSpace<Integer>`
  Citations.`GEOTIFF`
  The authority for identifiers of objects defined by the the GeoTIFF specification.
  `static final IdentifierSpace<String>`
  Citations.`ISBN`
  The International Standard Book Number (ISBN) defined by ISO-2108.
  `static final IdentifierSpace<String>`
  Citations.`ISSN`
  The International Standard Serial Number (ISSN) defined by ISO-3297.
  `static final IdentifierSpace<Integer>`
  Citations.`MAP_INFO`
  The authority for identifiers of objects defined by MapInfo.
  `static final IdentifierSpace<String>`
  Citations.`NETCDF`
  The authority for identifiers of objects defined by the netCDF specification.
  `static final IdentifierSpace<String>`
  Citations.`OGC`
  The authority for identifiers found in specifications from the Open Geospatial Consortium (OGC).
  `static final IdentifierSpace<String>`
  Citations.`PROJ4`
  The authority for identifiers of objects defined by the PROJ project.
  `static final IdentifierSpace<Integer>`
  Citations.`S57`
  The IHO transfer standard for digital hydrographic data specification.
  `static final IdentifierSpace<String>`
  Citations.`WMO`
  The authority for identifiers of objects defined by the World Meteorological Organization (WMO).
  `static final IdentifierSpace<Integer>`
  Citations.`WMS`
  The authority for identifiers of objects defined by the Web Map Service (WMS) specification.

- ## Uses of IdentifierSpace in org.apache.sis.xml

  Fields in org.apache.sis.xml declared as IdentifierSpace
  Modifier and Type
  Field
  Description
  `static final IdentifierSpace<URI>`
  IdentifierSpace.`HREF`
  An optional attribute for URN to an external resources, or to another part of a XML document, or an identifier.
  `static final IdentifierSpace<String>`
  IdentifierSpace.`ID`
  A standard GML attribute available on every object-with-identity.
  `static final IdentifierSpace<UUID>`
  IdentifierSpace.`UUID`
  An optional attribute available on every object-with-identity provided in the GMD schemas that implement ISO 19115 in XML.
  `static final IdentifierSpace<XLink>`
  IdentifierSpace.`XLINK`
  Any XML attributes defined by OGC in the xlink schema.
  Methods in org.apache.sis.xml with parameters of type IdentifierSpace
  Modifier and Type
  Method
  Description
  `<T> T`
  IdentifierMap.`getSpecialized(IdentifierSpace<T> authority)`
  Returns the identifier associated to the given namespace, or `null` if this map contains no mapping of the specialized type for the namespace.
  `<T> T`
  IdentifierMap.`putSpecialized(IdentifierSpace<T> authority, T value)`
  Associates the given identifier with the given namespace in this map (optional operation).