| /* |
| * Copyright (C) 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.gson.extras.examples.rawcollections; |
| |
| import java.util.ArrayList; |
| import java.util.Collection; |
| |
| import com.google.gson.Gson; |
| import com.google.gson.JsonArray; |
| import com.google.gson.JsonParser; |
| |
| public class RawCollectionsExample { |
| static class Event { |
| private String name; |
| private String source; |
| private Event(String name, String source) { |
| this.name = name; |
| this.source = source; |
| } |
| @Override |
| public String toString() { |
| return String.format("(name=%s, source=%s)", name, source); |
| } |
| } |
| |
| @SuppressWarnings({ "unchecked", "rawtypes" }) |
| public static void main(String[] args) { |
| Gson gson = new Gson(); |
| Collection collection = new ArrayList(); |
| collection.add("hello"); |
| collection.add(5); |
| collection.add(new Event("GREETINGS", "guest")); |
| String json = gson.toJson(collection); |
| System.out.println("Using Gson.toJson() on a raw collection: " + json); |
| JsonArray array = JsonParser.parseString(json).getAsJsonArray(); |
| String message = gson.fromJson(array.get(0), String.class); |
| int number = gson.fromJson(array.get(1), int.class); |
| Event event = gson.fromJson(array.get(2), Event.class); |
| System.out.printf("Using Gson.fromJson() to get: %s, %d, %s", message, number, event); |
| } |
| } |