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#' OWSNamespace
#'
#' @docType class
#' @importFrom R6 R6Class
#' @export
#' @keywords OWS namespace
#' @return Object of \code{\link[R6]{R6Class}} for modelling an OWS Namespace
#' @format \code{\link[R6]{R6Class}} object.
#'
#' @note class used internally by ows4R for specifying XML namespaces
#'
#' @author Emmanuel Blondel <emmanuel.blondel1@@gmail.com>
#'
OWSNamespace <- R6Class("OWSNamespace",
public = list(
#'@field id namespace id
id = NA,
#'@field uri namespace uri
uri = NA,
#'@description Initializes an \link{OWSNamespace}
#'@param id id
#'@param uri uri
initialize = function(id, uri){
self$id = id
self$uri = uri
},
#'@description Get namespace definition
#'@return a named \code{list} with id and uri
getDefinition = function(){
ns <- list(self$uri)
names(ns) <- self$id
return(ns)
}
)
)
OWSNamespace$CSW_2_0_2 = OWSNamespace$new("csw", "http://www.opengis.net/cat/csw/2.0.2")
OWSNamespace$CSW_3_0 = OWSNamespace$new("csw30", "http://www.opengis.net/cat/csw/3.0")
OWSNamespace$FES = OWSNamespace$new("fes", "http://www.opengis.net/fes/2.0")
OWSNamespace$OGC <- OWSNamespace$new("ogc", "http://www.opengis.net/ogc")
OWSNamespace$OWS <- OWSNamespace$new("ows", "http://www.opengis.net/ows")
OWSNamespace$OWS_1_1 = OWSNamespace$new("ows", "http://www.opengis.net/ows/1.1")
OWSNamespace$WCS_2_0 = OWSNamespace$new("wcs", "http://www.opengis.net/wcs/2.0")
OWSNamespace$WCS_2_1 = OWSNamespace$new("wcs", "http://www.opengis.net/wcs/2.1")
OWSNamespace$WMS_1_0_0 = OWSNamespace$new("wms", "http://www.opengis.net/wms")
OWSNamespace$WMS_1_1_0 = OWSNamespace$new("wms", "http://www.opengis.net/wms")
OWSNamespace$WMS_1_1_1 = OWSNamespace$new("wms", "http://www.opengis.net/wms")
OWSNamespace$WMS_1_3_0 = OWSNamespace$new("wms", "http://www.opengis.net/wms")
OWSNamespace$WPS_1_0_0 = OWSNamespace$new("wps", "http://www.opengis.net/wps/1.0.0")
OWSNamespace$XLINK = OWSNamespace$new("xlink", "http://www.w3.org/1999/xlink")
OWSNamespace$XSI = OWSNamespace$new("xsi", "http://www.w3.org/2001/XMLSchema-instance")
#' setOWSNamespaces
#' @export
setOWSNamespaces <- function(){
.ows4R$namespaces <- list(
OWSNamespace$CSW_2_0_2,
OWSNamespace$CSW_3_0,
OWSNamespace$FES,
OWSNamespace$OGC,
OWSNamespace$OWS,
OWSNamespace$OWS_1_1,
OWSNamespace$WCS_2_0,
OWSNamespace$WCS_2_1,
OWSNamespace$WMS_1_0_0,
OWSNamespace$WMS_1_1_0,
OWSNamespace$WMS_1_1_1,
OWSNamespace$WMS_1_3_0,
OWSNamespace$WPS_1_0_0,
OWSNamespace$XLINK,
OWSNamespace$XSI
)
}
#' @name getOWSNamespaces
#' @aliases getOWSNamespaces
#' @title getOWSNamespaces
#' @export
#' @description \code{getOWSNamespaces} gets the list of namespaces registered
#'
#' @usage getOWSNamespaces()
#'
#' @examples
#' getOWSNamespaces()
#'
#' @author Emmanuel Blondel, \email{emmanuel.blondel1@@gmail.com}
#
getOWSNamespaces = function(){
return(.ows4R$namespaces)
}
#' @name getOWSNamespace
#' @aliases getOWSNamespace
#' @title getOWSNamespace
#' @export
#' @description \code{getOWSNamespace} gets a namespace given its id
#'
#' @usage getOWSNamespace(id)
#'
#' @param id namespace prefix
#'
#' @examples
#' getOWSNamespace("GMD")
#'
#' @author Emmanuel Blondel, \email{emmanuel.blondel1@@gmail.com}
#
getOWSNamespace = function(id){
return(OWSNamespace[[id]])
}
#' @name registerOWSNamespace
#' @aliases registerOWSNamespace
#' @title registerOWSNamespace
#' @export
#' @description \code{registerOWSNamespace} allows to register a new namespace
#' in \pkg{ows4R}
#'
#' @usage registerOWSNamespace(id, uri, force)
#'
#' @param id prefix of the namespace
#' @param uri URI of the namespace
#' @param force logical parameter indicating if registration has be to be forced
#' in case the identified namespace is already registered
#'
#' @examples
#' registerOWSNamespace(id = "myprefix", uri = "http://someuri")
#'
#' @author Emmanuel Blondel, \email{emmanuel.blondel1@@gmail.com}
#
registerOWSNamespace <- function(id, uri, force = FALSE){
ns <- getOWSNamespace(toupper(id))
if(!is.null(ns)){
if(!force) stop(sprintf("OWSNamespace with id '%s' already exists. Use force = TRUE to force registration", id))
ns <- OWSNamespace$new(id, uri)
OWSNamespace[[toupper(id)]] <- ns
.ows4R$namespaces[sapply(.ows4R$namespaces, function(x){x$id == id})][[1]] <- ns
}else{
ns <- OWSNamespace$new(id, uri)
OWSNamespace[[toupper(id)]] <- ns
.ows4R$namespaces <- c(.ows4R$namespaces, ns)
}
}
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