src/Pure/General/http_server.scala
changeset 65077 2d6e716c9d6e
parent 65076 8a96ab58f016
child 65078 2339994e8790
equal deleted inserted replaced
65076:8a96ab58f016 65077:2d6e716c9d6e
     1 /*  Title:      Pure/General/http_server.scala
       
     2     Author:     Makarius
       
     3 
       
     4 Minimal HTTP server.
       
     5 */
       
     6 
       
     7 package isabelle
       
     8 
       
     9 
       
    10 import java.net.{InetAddress, InetSocketAddress}
       
    11 import com.sun.net.httpserver.{HttpExchange, HttpHandler, HttpServer}
       
    12 
       
    13 
       
    14 object HTTP_Server
       
    15 {
       
    16   class Handler private[HTTP_Server](val path: String, val handler: HttpHandler)
       
    17   {
       
    18     override def toString: String = path
       
    19   }
       
    20 
       
    21   def handler(path: String)(body: HttpExchange => Unit): Handler =
       
    22     new Handler(path, new HttpHandler { def handle(x: HttpExchange) { body(x) } })
       
    23 
       
    24   def apply(handlers: Handler*): HTTP_Server =
       
    25   {
       
    26     val localhost = InetAddress.getByName("127.0.0.1")
       
    27 
       
    28     val server = HttpServer.create(new InetSocketAddress(localhost, 0), 0)
       
    29     server.setExecutor(null)
       
    30 
       
    31     val http_server = new HTTP_Server(server)
       
    32     for (handler <- handlers) http_server += handler
       
    33     http_server
       
    34   }
       
    35 }
       
    36 
       
    37 class HTTP_Server private(val server: HttpServer)
       
    38 {
       
    39   def += (handler: HTTP_Server.Handler) { server.createContext(handler.path, handler.handler) }
       
    40   def -= (handler: HTTP_Server.Handler) { server.removeContext(handler.path) }
       
    41 
       
    42   def start: Unit = server.start
       
    43   def stop: Unit = server.stop(0)
       
    44 
       
    45   def address: InetSocketAddress = server.getAddress
       
    46   def url: String = "http://" + address.getHostName + ":" + address.getPort
       
    47   override def toString: String = url
       
    48 }