| /* |
| * 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 Number. |
| */ |
| public abstract class JsonNumber implements JsonValue { |
| private static class JsonDecimal extends JsonNumber { |
| private final double value; |
| |
| public JsonDecimal(double value) { |
| this.value = value; |
| } |
| |
| public JsonDecimal copyDeeply() { |
| return new JsonDecimal(value); |
| } |
| |
| @Override |
| public double getDecimal() { |
| return value; |
| } |
| |
| @Override |
| public long getInteger() { |
| return (long) value; |
| } |
| |
| public void write(Writer writer) throws IOException { |
| writer.write(Double.toString(value)); |
| } |
| } |
| |
| private static class JsonInteger extends JsonNumber { |
| private final long value; |
| |
| public JsonInteger(long value) { |
| this.value = value; |
| } |
| |
| public JsonInteger copyDeeply() { |
| return new JsonInteger(value); |
| } |
| |
| @Override |
| public double getDecimal() { |
| return value; |
| } |
| |
| @Override |
| public long getInteger() { |
| return value; |
| } |
| |
| public void write(Writer writer) throws IOException { |
| writer.write(Long.toString(value)); |
| } |
| } |
| |
| public static JsonNumber create(double value) { |
| return new JsonDecimal(value); |
| } |
| |
| public static JsonNumber create(int value) { |
| return new JsonInteger(value); |
| } |
| |
| public static JsonNumber create(long value) { |
| return new JsonInteger(value); |
| } |
| |
| private JsonNumber() { |
| } |
| |
| public JsonArray asArray() { |
| return null; |
| } |
| |
| public JsonBoolean asBoolean() { |
| return null; |
| } |
| |
| public JsonNumber asNumber() { |
| return this; |
| } |
| |
| public JsonObject asObject() { |
| return null; |
| } |
| |
| public JsonString asString() { |
| return null; |
| } |
| |
| public abstract double getDecimal(); |
| |
| public abstract long getInteger(); |
| |
| public boolean isArray() { |
| return false; |
| } |
| |
| public boolean isBoolean() { |
| return false; |
| } |
| |
| public boolean isNumber() { |
| return true; |
| } |
| |
| public boolean isObject() { |
| return false; |
| } |
| |
| public boolean isString() { |
| return false; |
| } |
| } |