| /* |
| * Copyright 2008 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 com.google.gwt.core.client; |
| |
| /** |
| * A simple wrapper around a homogeneous native array of |
| * {@link JavaScriptObject} values. |
| * |
| * This class may not be directly instantiated, and can only be returned from a |
| * native method. For example, |
| * |
| * <code> |
| * native JsArray<JavaScriptObject> getNativeArray() /*-{ |
| * return [ |
| * { x: 0, y: 1}, |
| * { x: 2, y: 3}, |
| * { x: 4, y: 5}, |
| * ]; |
| * }-* /; |
| * </code> |
| * |
| * @param <T> the concrete type of object contained in this array |
| */ |
| public class JsArray<T extends JavaScriptObject> extends JavaScriptObject { |
| |
| protected JsArray() { |
| } |
| |
| /** |
| * Gets the object at a given index. |
| * |
| * @param index the index to be retrieved |
| * @return the object at the given index, or <code>null</code> if none |
| * exists |
| */ |
| public final native T get(int index) /*-{ |
| return this[index]; |
| }-*/; |
| |
| /** |
| * Gets the length of the array. |
| * |
| * @return the array length |
| */ |
| public final native int length() /*-{ |
| return this.length; |
| }-*/; |
| |
| /** |
| * Sets the object value at a given index. |
| * |
| * If the index is out of bounds, the value will still be set. The array's |
| * length will be updated to encompass the bounds implied by the added object. |
| * |
| * @param index the index to be set |
| * @param value the object to be stored |
| */ |
| public final native void set(int index, T value) /*-{ |
| this[index] = value; |
| }-*/; |
| } |