| /* |
| * 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.MapFromStringTo; |
| |
| /** |
| * JavaScript native implementation of {@link MapFromStringTo}. |
| */ |
| @Deprecated |
| public final class JsMapFromStringTo<V> extends JavaScriptObject implements MapFromStringTo<V> { |
| |
| /** |
| * Create a new empty map instance. |
| */ |
| public static native <T> JsMapFromStringTo<T> create() /*-{ |
| return Object.create(null); |
| }-*/; |
| |
| static native boolean hasKey(JavaScriptObject map, String key) /*-{ |
| var p = @elemental.js.util.JsMapFromStringTo::propertyForKey(Ljava/lang/String;)(key); |
| return map[p] !== undefined; |
| }-*/; |
| |
| static native <T extends JavaScriptObject> T keys(JavaScriptObject object) /*-{ |
| var data = []; |
| for (var item in object) { |
| if (Object.prototype.hasOwnProperty.call(object, item)) { |
| var key = @elemental.js.util.JsMapFromStringTo::keyForProperty(Ljava/lang/String;)(item); |
| data.push(key); |
| } |
| } |
| return data; |
| }-*/; |
| |
| static native void remove(JavaScriptObject map, String key) /*-{ |
| var p = @elemental.js.util.JsMapFromStringTo::propertyForKey(Ljava/lang/String;)(key); |
| delete map[p]; |
| }-*/; |
| |
| static native <T extends JavaScriptObject> T values(JavaScriptObject object) /*-{ |
| var data = []; |
| for (var item in object) { |
| if (Object.prototype.hasOwnProperty.call(object, item)) { |
| data.push(object[item]); |
| } |
| } |
| return data; |
| }-*/; |
| |
| @SuppressWarnings("unused") // Called from JSNI. |
| private static String keyForProperty(String property) { |
| return property; |
| } |
| |
| @SuppressWarnings("unused") // Called from JSNI. |
| private static String propertyForKey(String key) { |
| assert key != null : "native maps do not allow null key values."; |
| return key; |
| } |
| |
| protected JsMapFromStringTo() { |
| } |
| |
| public native V get(String key) /*-{ |
| var p = @elemental.js.util.JsMapFromStringTo::propertyForKey(Ljava/lang/String;)(key); |
| return this[p]; |
| }-*/; |
| |
| public boolean hasKey(String key) { |
| return hasKey(this, key); |
| } |
| |
| public JsArrayOfString keys() { |
| return keys(this); |
| } |
| |
| public native void put(String key, V value) /*-{ |
| var p = @elemental.js.util.JsMapFromStringTo::propertyForKey(Ljava/lang/String;)(key); |
| this[p] = value; |
| }-*/; |
| |
| public void remove(String key) { |
| remove(this, key); |
| } |
| |
| public JsArrayOf<V> values() { |
| return values(this); |
| } |
| } |