geotrellis.server.ogc.URN.scala Maven / Gradle / Ivy

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GeoTrellis Server is a set of components designed to simplify viewing, processing, and serving raster data from arbitrary sources with an emphasis on doing so in a functional style.

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/*
 * Copyright 2020 Azavea
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package geotrellis.server.ogc

import geotrellis.proj4.CRS

object URN {
  def fromCrs(crs: CRS): Option[String] = crs.epsgCode.map(code => s"urn:ogc:def:crs:EPSG::$code")
  def unsafeFromCrs(crs: CRS): String =
    fromCrs(crs).getOrElse(throw new Exception(s"Unrecognized CRS: $crs. Unable to construct URN"))
}