WFS API

Requests to various WFS API.

Usage

wfs_api(base.url = NULL, queries, ...)

Source

Gracefully failing HTTP request code (slightly adapted by Pyry Kantanen) from RStudio community member kvasilopoulos. Many thanks!

Source of the original RStudio community discussion: https://community.rstudio.com/t/internet-resources-should-fail-gracefully/49199

Arguments

base.url

WFS url, for example "https://kartta.hsy.fi/geoserver/wfs"

queries

List of query parameters

...

For passing parameters to embedded functions, for example timeout.s (timeout in seconds) in the case of gracefully_fail() internal function

Value

wfs_api (S3) object with the following attributes:

content

XML payload.

path

path provided to get the resonse.

response

the original response object.

Details

Make a request to the spesific WFS API. The base url is https://kartta.hsy.fi/geoserver/wfs to which other components defined by the arguments are appended.

This is a low-level function intended to be used by other higher level functions in the package.

Author

Joona Lehtomäki joona.lehtomaki@iki.fi, Kostas Vasilopoulos, Pyry Kantanen

Examples

if (FALSE) {
wfs_api(
  base.url = "https://kartta.hsy.fi/geoserver/wfs",
  queries = c(
    "service" = "WFS",
    "version" = "1.0.0",
    "request" = "getFeature",
    "typeName" = "ilmanlaatu:Ilmanlaatu_nyt"
  )
)
}