Esempio n. 1
0
  void put(Scriptable scope, String name, Object javaObject, Object value, boolean isStatic) {
    Map<String, Object> ht = isStatic ? staticMembers : members;
    Object member = ht.get(name);
    if (!isStatic && member == null) {
      // Try to get static member from instance (LC3)
      member = staticMembers.get(name);
    }
    if (member == null) throw reportMemberNotFound(name);
    if (member instanceof FieldAndMethods) {
      FieldAndMethods fam = (FieldAndMethods) ht.get(name);
      member = fam.field;
    }

    // Is this a bean property "set"?
    if (member instanceof BeanProperty) {
      BeanProperty bp = (BeanProperty) member;
      if (bp.setter == null) {
        throw reportMemberNotFound(name);
      }
      // If there's only one setter or if the value is null, use the
      // main setter. Otherwise, let the NativeJavaMethod decide which
      // setter to use:
      if (bp.setters == null || value == null) {
        Class<?> setType = bp.setter.argTypes[0];
        Object[] args = {Context.jsToJava(value, setType)};
        try {
          bp.setter.invoke(javaObject, args);
        } catch (Exception ex) {
          throw Context.throwAsScriptRuntimeEx(ex);
        }
      } else {
        Object[] args = {value};
        bp.setters.call(
            Context.getContext(), ScriptableObject.getTopLevelScope(scope), scope, args);
      }
    } else {
      if (!(member instanceof Field)) {
        String str = (member == null) ? "msg.java.internal.private" : "msg.java.method.assign";
        throw Context.reportRuntimeError1(str, name);
      }
      Field field = (Field) member;
      Object javaValue = Context.jsToJava(value, field.getType());
      try {
        field.set(javaObject, javaValue);
      } catch (IllegalAccessException accessEx) {
        if ((field.getModifiers() & Modifier.FINAL) != 0) {
          // treat Java final the same as JavaScript [[READONLY]]
          return;
        }
        throw Context.throwAsScriptRuntimeEx(accessEx);
      } catch (IllegalArgumentException argEx) {
        throw Context.reportRuntimeError3(
            "msg.java.internal.field.type",
            value.getClass().getName(),
            field,
            javaObject.getClass().getName());
      }
    }
  }
Esempio n. 2
0
 public static Object convertResult(Object result, Class<?> c) {
   if (result == Undefined.instance
       && (c != ScriptRuntime.ObjectClass && c != ScriptRuntime.StringClass)) {
     // Avoid an error for an undefined value; return null instead.
     return null;
   }
   return Context.jsToJava(result, c);
 }