| /* |
| * 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 com.google.gwt.dev.json; |
| |
| import java.io.IOException; |
| import java.io.Writer; |
| |
| /** |
| * JSON boolean. |
| */ |
| public class JsonBoolean implements JsonValue { |
| public static final JsonBoolean FALSE = new JsonBoolean(false); |
| |
| public static final JsonBoolean TRUE = new JsonBoolean(true); |
| |
| public static JsonBoolean create(boolean value) { |
| return value ? TRUE : FALSE; |
| } |
| |
| private final boolean value; |
| |
| private JsonBoolean(boolean value) { |
| this.value = value; |
| } |
| |
| public JsonArray asArray() { |
| return null; |
| } |
| |
| public JsonBoolean asBoolean() { |
| return this; |
| } |
| |
| public JsonNumber asNumber() { |
| return null; |
| } |
| |
| public JsonObject asObject() { |
| return null; |
| } |
| |
| public JsonString asString() { |
| return null; |
| } |
| |
| public JsonBoolean copyDeeply() { |
| return this; |
| } |
| |
| public boolean getBoolean() { |
| return value; |
| } |
| |
| public boolean isArray() { |
| return false; |
| } |
| |
| public boolean isBoolean() { |
| return true; |
| } |
| |
| public boolean isNumber() { |
| return false; |
| } |
| |
| public boolean isObject() { |
| return false; |
| } |
| |
| public boolean isString() { |
| return false; |
| } |
| |
| public void write(Writer writer) throws IOException { |
| writer.write(Boolean.toString(value)); |
| } |
| } |