| /* |
| * 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; |
| |
| /** |
| * Provides an interface for simple JavaScript idioms that can not be expressed in Java. |
| */ |
| public class JsUtils { |
| |
| public static native double getInfinity() /*-{ |
| return Infinity; |
| }-*/; |
| |
| public static native int parseInt(String s, int radix) /*-{ |
| return parseInt(s, radix); |
| }-*/; |
| |
| public static native boolean isUndefined(Object value) /*-{ |
| return value === undefined; |
| }-*/; |
| |
| // TODO(goktug): replace this with a real cast when the compiler can optimize it. |
| public static native String unsafeCastToString(Object string) /*-{ |
| return string; |
| }-*/; |
| |
| public static native void setPropertySafe(Object map, String key, Object value) /*-{ |
| try { |
| // This may throw exception in strict mode. |
| map[key] = value; |
| } catch(ignored) { } |
| }-*/; |
| |
| public static native int getIntProperty(Object map, String key) /*-{ |
| return map[key]; |
| }-*/; |
| |
| public static native void setIntProperty(Object map, String key, int value) /*-{ |
| map[key] = value; |
| }-*/; |
| |
| public static native String typeOf(Object o) /*-{ |
| return typeof o; |
| }-*/; |
| } |
| |