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Java example source code file (RawCollectionsExample.java)
The RawCollectionsExample.java Java example source code/* * 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); JsonParser parser = new JsonParser(); JsonArray array = parser.parse(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); } } Other Java examples (source code examples)Here is a short list of links related to this Java RawCollectionsExample.java source code file: |
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