示例#1
0
  static Object js_createAdpter(Context cx, Scriptable scope, Object[] args) {
    int N = args.length;
    if (N == 0) {
      throw ScriptRuntime.typeError0("msg.adapter.zero.args");
    }

    Class superClass = null;
    Class[] intfs = new Class[N - 1];
    int interfaceCount = 0;
    for (int i = 0; i != N - 1; ++i) {
      Object arg = args[i];
      if (!(arg instanceof NativeJavaClass)) {
        throw ScriptRuntime.typeError2(
            "msg.not.java.class.arg", String.valueOf(i), ScriptRuntime.toString(arg));
      }
      Class c = ((NativeJavaClass) arg).getClassObject();
      if (!c.isInterface()) {
        if (superClass != null) {
          throw ScriptRuntime.typeError2("msg.only.one.super", superClass.getName(), c.getName());
        }
        superClass = c;
      } else {
        intfs[interfaceCount++] = c;
      }
    }

    if (superClass == null) superClass = ScriptRuntime.ObjectClass;

    Class[] interfaces = new Class[interfaceCount];
    System.arraycopy(intfs, 0, interfaces, 0, interfaceCount);
    Scriptable obj = ScriptRuntime.toObject(cx, scope, args[N - 1]);

    Class adapterClass = getAdapterClass(scope, superClass, interfaces, obj);

    Class[] ctorParms = {ScriptRuntime.ContextFactoryClass, ScriptRuntime.ScriptableClass};
    Object[] ctorArgs = {cx.getFactory(), obj};
    try {
      Object adapter = adapterClass.getConstructor(ctorParms).newInstance(ctorArgs);
      return getAdapterSelf(adapterClass, adapter);
    } catch (Exception ex) {
      throw Context.throwAsScriptRuntimeEx(ex);
    }
  }
示例#2
0
  // Needed by NativeJavaObject de-serializer
  public static Object readAdapterObject(Scriptable self, ObjectInputStream in)
      throws IOException, ClassNotFoundException {
    ContextFactory factory;
    Context cx = Context.getCurrentContext();
    if (cx != null) {
      factory = cx.getFactory();
    } else {
      factory = null;
    }

    Class superClass = Class.forName((String) in.readObject());

    String[] interfaceNames = (String[]) in.readObject();
    Class[] interfaces = new Class[interfaceNames.length];

    for (int i = 0; i < interfaceNames.length; i++)
      interfaces[i] = Class.forName(interfaceNames[i]);

    Scriptable delegee = (Scriptable) in.readObject();

    Class adapterClass = getAdapterClass(self, superClass, interfaces, delegee);

    Class[] ctorParms = {
      ScriptRuntime.ContextFactoryClass,
      ScriptRuntime.ScriptableClass,
      ScriptRuntime.ScriptableClass
    };
    Object[] ctorArgs = {factory, delegee, self};
    try {
      return adapterClass.getConstructor(ctorParms).newInstance(ctorArgs);
    } catch (InstantiationException e) {
    } catch (IllegalAccessException e) {
    } catch (InvocationTargetException e) {
    } catch (NoSuchMethodException e) {
    }

    throw new ClassNotFoundException("adapter");
  }