net.mograsim.logic.model/src/net/mograsim/logic/model/snippets/SnippetDefinintion.java

   1 package net.mograsim.logic.model.snippets;
   2
   3 import java.util.function.BiFunction;
   4
   5 import com.google.gson.Gson;
   6 import com.google.gson.JsonElement;
   7
   8 public interface SnippetDefinintion<C, P, S>
   9 {
  10         public Class<P> getParamClass();
  11
  12         public S create(C context, P params);
  13
  14         public default S create(C context, JsonElement params)
  15         {
  16                 Class<P> paramClass = getParamClass();
  17                 if (paramClass.equals(Void.class))
  18                 {
  19                         if (params != null)
  20                                 throw new IllegalArgumentException("Params given where none were expected");
  21                         return create(context, (P) null);
  22                 }
  23                 return create(context, new Gson().fromJson(params, getParamClass()));
  24         }
  25
  26         public static <C, P, S> SnippetDefinintion<C, P, S> create(Class<P> paramClass, BiFunction<C, P, S> supplier)
  27         {
  28                 return new SnippetDefinintion<>()
  29                 {
  30                         @Override
  31                         public Class<P> getParamClass()
  32                         {
  33                                 return paramClass;
  34                         }
  35
  36                         @Override
  37                         public S create(C context, P params)
  38                         {
  39                                 return supplier.apply(context, params);
  40                         }
  41                 };
  42         }
  43 }