| /* |
| * Copyright 2010 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 elemental.js.util; |
| |
| import com.google.gwt.core.client.JavaScriptObject; |
| |
| import elemental.util.MapFromIntTo; |
| |
| /** |
| * JavaScript native implementation of {@link MapFromIntTo}. |
| */ |
| public final class JsMapFromIntTo<V> extends JavaScriptObject implements MapFromIntTo<V> { |
| |
| /** |
| * Create a new empty map instance. |
| */ |
| public static <T> JsMapFromIntTo<T> create() { |
| return JavaScriptObject.createArray().cast(); |
| } |
| |
| protected JsMapFromIntTo() { |
| } |
| |
| public native V get(int key) /*-{ |
| return this[key]; |
| }-*/; |
| |
| final static native boolean hasKey(JavaScriptObject map, int key) /*-{ |
| return map[key] !== undefined; |
| }-*/; |
| |
| final static native void remove(JavaScriptObject map, int key) /*-{ |
| delete map[key]; |
| }-*/; |
| |
| final static native JsArrayOfInt keys(JavaScriptObject map) /*-{ |
| var data = []; |
| for (var p in map) { |
| var key = parseInt(p); |
| if (!isNaN(key)) { |
| data.push(key); |
| } |
| } |
| return data; |
| }-*/; |
| |
| final public boolean hasKey(int key) { |
| return hasKey(this, key); |
| } |
| |
| final public JsArrayOfInt keys() { |
| return keys(this); |
| } |
| |
| public native void put(int key, V value) /*-{ |
| this[key] = value; |
| }-*/; |
| |
| final public void remove(int key) { |
| remove(this, key); |
| } |
| |
| final public JsArrayOf<V> values() { |
| return JsMapFromStringTo.values(this); |
| } |
| } |