no.arktekk.atom.extension.georss.Circle.scala Maven / Gradle / Ivy

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/*
 * Copyright 2012 Arktekk AS
 *
 * 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 no.arktekk.atom.extension.georss

import no.arktekk.atom.ElementWrapper
import com.codecommit.antixml.{NamespaceBinding, QName}

/**
 * http://georss.org/simple
 *
 * @author Erlend Hamnaberg
 */
case class Circle(point: Point, radius: Int) {
  def toValue(format: String) = point.toValue(format) + " " + radius

  def toXML(format: String) = ElementWrapper.withNameAndText(NamespaceBinding(GeorssConstants.prefix, GeorssConstants.ns), "circle", toValue(format))

  def toPointAndRadiusXML(format: String): Seq[ElementWrapper] = Seq(
    point.toXML(format),
    ElementWrapper.withNameAndText(NamespaceBinding(GeorssConstants.prefix, GeorssConstants.ns), "radius", radius.toString)
  )
}

object Circle {

  def apply(value: String): Option[Circle] = {
    val grouped = value.trim.split(" ").grouped(2)
    grouped.toList match {
      case List(Array(x,y), Array(z)) => Some(Circle(Point(x.toDouble, y.toDouble), z.toInt))
      case _ => None
    }
  }
}