| /* |
| * Copyright 2011 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.web.bindery.autobean.gwt.client.impl; |
| |
| import com.google.gwt.core.client.JavaScriptObject; |
| import com.google.gwt.core.client.JsArray; |
| import com.google.web.bindery.autobean.shared.AutoBean; |
| |
| /** |
| * Used in prod-mode code to create instances of generated AutoBean subtypes via |
| * JSNI references to their constructor methods. |
| */ |
| public final class JsniCreatorMap extends JavaScriptObject { |
| public static JsniCreatorMap createMap() { |
| return JavaScriptObject.createObject().cast(); |
| } |
| |
| /* |
| * Structure is a string map of class literal names to the no-arg and one-arg |
| * constructors of a generated AutoBean subtype. |
| */ |
| protected JsniCreatorMap() { |
| } |
| |
| public void add(Class<?> clazz, JsArray<JavaScriptObject> constructors) { |
| assert constructors.length() == 2 : "Expecting two constructor references"; |
| set(clazz.getName(), constructors); |
| } |
| |
| public <T> AutoBean<T> create(Class<T> clazz, AbstractAutoBeanFactory factory) { |
| JsArray<JavaScriptObject> arr = get(clazz.getName()); |
| if (arr != null && arr.get(0) != null) { |
| return invoke(arr.get(0), factory, null); |
| } |
| return null; |
| } |
| |
| public <T> AutoBean<T> create(Class<T> clazz, AbstractAutoBeanFactory factory, Object delegate) { |
| JsArray<JavaScriptObject> arr = get(clazz.getName()); |
| if (arr != null) { |
| assert arr.get(1) != null : "No delegate-based constructor"; |
| return invoke(arr.get(1), factory, delegate); |
| } |
| return null; |
| } |
| |
| private native JsArray<JavaScriptObject> get(String key) /*-{ |
| return this[key]; |
| }-*/; |
| |
| private native <T> AutoBean<T> invoke(JavaScriptObject fn, Object arg1, Object arg2)/*-{ |
| return fn(arg1, arg2); |
| }-*/; |
| |
| private native void set(String key, JsArray<JavaScriptObject> arr) /*-{ |
| this[key] = arr; |
| }-*/; |
| } |