/** * 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 org.waveprotocol.wave.client.util; /** * Wraps a JavaScriptObject to provide checked access and implements the * TypedSource interface. * * */ public class WrappedJSObject implements TypedSource { private final ExtendedJSObject jso; public WrappedJSObject(ExtendedJSObject jso) { this.jso = jso; } @Override public Boolean getBoolean(String key) { return jso.hasBoolean(key) ? jso.getBooleanUnchecked(key) : null; } @Override public Double getDouble(String key) { return jso.hasNumber(key) ? jso.getDoubleUnchecked(key) : null; } @Override public Integer getInteger(String key) { return jso.hasNumber(key) ? jso.getIntegerUnchecked(key) : null; } @Override public String getString(String key) { return jso.hasString(key) ? jso.getStringUnchecked(key) : null; } public WrappedJSObject getObject(String key) { return jso.hasObject(key) ? new WrappedJSObject(jso.getObjectUnchecked(key)) : null; } public ExtendedJSObject getRawObject(String key) { return jso.hasObject(key) ? jso.getObjectUnchecked(key) : null; } }