git.gag.com Git - sw/motorsim/blob - src/com/billkuker/rocketry/motorsim/fuel/FuelResolver.java

   1 package com.billkuker.rocketry.motorsim.fuel;\r
   2 \r
   3 import java.net.URI;\r
   4 import java.util.Collections;\r
   5 import java.util.HashMap;\r
   6 import java.util.Map;\r
   7 \r
   8 import com.billkuker.rocketry.motorsim.Fuel;\r
   9 \r
  10 public class FuelResolver {\r
  11         public static class FuelNotFound extends Exception {\r
  12                 private static final long serialVersionUID = 1L;\r
  13         }\r
  14 \r
  15         private static Map<URI, Fuel> fuels = new HashMap<URI, Fuel>();\r
  16 \r
  17         static {\r
  18                 add(new KNSB());\r
  19                 add(new KNDX());\r
  20                 add(new KNSU());\r
  21                 add(new KNER());\r
  22         }\r
  23         \r
  24         public static Map<URI, Fuel> getFuelMap(){\r
  25                 return Collections.unmodifiableMap(fuels);\r
  26         }\r
  27 \r
  28         public static Fuel getFuel(URI u) throws FuelNotFound {\r
  29                 if (fuels.containsKey(u))\r
  30                         return fuels.get(u);\r
  31                 return tryResolve(u);\r
  32         }\r
  33 \r
  34         private static Fuel tryResolve(URI u) throws FuelNotFound {\r
  35                 throw new FuelNotFound();\r
  36         }\r
  37 \r
  38         private static void add(Fuel f) {\r
  39                 fuels.put(f.getURI(), f);\r
  40         }\r
  41 }\r