add SpotifyUri.isUriType to let users easily check if a string is a uri of type

Author: adamint

src/main/kotlin/com/adamratzman/spotify/models/SpotifyUris.kt

@@ -27,7 +27,7 @@ private fun String.remove(type: String): String {
  * @property uri retrieve this URI as a string
  * @property id representation of this uri as an id
  */
-sealed class SpotifyUri(input: String, type: String) {
+sealed class SpotifyUri(input: String, type: UriType) {
     val uri: String
     val id: String
 
@@ -37,8 +37,8 @@ sealed class SpotifyUri(input: String, type: String) {
                 this.uri = input
                 this.id = input
             } else {
-                this.uri = it.add(type)
-                this.id = it.remove(type)
+                this.uri = it.add(type.toString())
+                this.id = it.remove(type.toString())
             }
         }
     }
@@ -53,34 +53,49 @@ sealed class SpotifyUri(input: String, type: String) {
         result = 31 * result + id.hashCode()
         return result
     }
+
+    enum class UriType(private val typeStr: String) {
+        ALBUM("album"),
+        ARTIST("artist"),
+        TRACK("track"),
+        USER("user"),
+        PLAYLIST("playlist"),
+        LOCAL_TRACK("local");
+
+        override fun toString() = typeStr
+    }
+
+    companion object {
+        fun isUriType(uri: String, type: UriType) = uri.matchType(type.toString()) != null
+    }
 }
 
 /**
  * Represents a Spotify **Album** URI, parsed from either a Spotify ID or taken from an endpoint.
  */
-class AlbumURI(input: String) : SpotifyUri(input, "album")
+class AlbumURI(input: String) : SpotifyUri(input, UriType.ALBUM)
 
 /**
  * Represents a Spotify **Artist** URI, parsed from either a Spotify ID or taken from an endpoint.
  */
-class ArtistURI(input: String) : SpotifyUri(input, "artist")
+class ArtistURI(input: String) : SpotifyUri(input, UriType.ARTIST)
 
 /**
  * Represents a Spotify **Track** URI, parsed from either a Spotify ID or taken from an endpoint.
  */
-class TrackURI(input: String) : SpotifyUri(input, "track")
+class TrackURI(input: String) : SpotifyUri(input, UriType.TRACK)
 
 /**
  * Represents a Spotify **User** URI, parsed from either a Spotify ID or taken from an endpoint.
  */
-class UserURI(input: String) : SpotifyUri(input, "user")
+class UserURI(input: String) : SpotifyUri(input, UriType.USER)
 
 /**
  * Represents a Spotify **Playlist** URI, parsed from either a Spotify ID or taken from an endpoint.
  */
-class PlaylistURI(input: String) : SpotifyUri(input, "playlist")
+class PlaylistURI(input: String) : SpotifyUri(input, UriType.PLAYLIST)
 
 /**
  * Represents a Spotify **local track** URI
  */
-class LocalTrackURI(input: String) : SpotifyUri(input, "local")
+class LocalTrackURI(input: String) : SpotifyUri(input, UriType.LOCAL_TRACK)