bundles/org.simantics.scl.reflection/src/org/simantics/scl/reflection/functions/ConstructorFunction.java

   1 package org.simantics.scl.reflection.functions;
   2
   3 import java.lang.reflect.Constructor;
   4 import java.lang.reflect.InvocationTargetException;
   5
   6 import org.simantics.scl.runtime.function.FunctionImplN;
   7
   8 public class ConstructorFunction extends FunctionImplN {
   9     Constructor<?> constructor;
  10
  11     public ConstructorFunction(Constructor<?> constructor) {
  12         super(constructor.getParameterTypes().length);
  13         this.constructor = constructor;
  14     }
  15
  16     public Constructor<?> getConstructor() {
  17         return constructor;
  18     }
  19
  20     @Override
  21     public Object doApply(Object... ps) {
  22         try {
  23             return constructor.newInstance(ps);
  24         } catch (InstantiationException e) {
  25             throw new RuntimeException(e);
  26         } catch (IllegalArgumentException e) {
  27             throw new RuntimeException(e);
  28         } catch (IllegalAccessException e) {
  29             throw new RuntimeException(e);
  30         } catch (InvocationTargetException e) {
  31             throw new RuntimeException(e.getCause());
  32         }
  33     }
  34
  35     @Override
  36     public String toString() {
  37         return constructor.getName();
  38     }
  39 }