| /* |
| * Copyright 2015 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package javaemul.internal; |
| |
| import javaemul.internal.annotations.DoNotAutobox; |
| import javaemul.internal.annotations.UncheckedCast; |
| import jsinterop.annotations.JsMethod; |
| |
| /** |
| * Provides an interface for simple JavaScript idioms that can not be expressed in Java. |
| */ |
| @SuppressWarnings("unusable-by-js") |
| public class JsUtils { |
| |
| @JsMethod(namespace = "<window>", name = "Date.now") |
| public static native double getTime(); |
| |
| @JsMethod(namespace = "<window>") |
| public static native int parseInt(String s, int radix); |
| |
| @JsMethod(namespace = "<window>", name = "typeof") |
| public static native String typeOf(Object obj); |
| |
| public static native boolean isUndefined(Object value) /*-{ |
| return value === undefined; |
| }-*/; |
| |
| public static native double unsafeCastToDouble(Object number) /*-{ |
| return number; |
| }-*/; |
| |
| public static native boolean unsafeCastToBoolean(Object bool) /*-{ |
| return bool; |
| }-*/; |
| |
| @UncheckedCast |
| public static native <T> T uncheckedCast(@DoNotAutobox Object o) /*-{ |
| return o; |
| }-*/; |
| |
| @UncheckedCast |
| public static native <T> T getProperty(Object map, String key) /*-{ |
| return map[key]; |
| }-*/; |
| } |
| |