Java tutorial
/* * To change this license header, choose License Headers in Project Properties. * To change this template file, choose Tools | Templates * and open the template in the editor. */ package gsonTests.jsonTojava; import java.io.IOException; import java.net.MalformedURLException; import java.net.URL; import org.apache.commons.io.IOUtils; import com.google.gson.JsonArray; import com.google.gson.JsonElement; import com.google.gson.JsonObject; import com.google.gson.JsonParser; public class ParseTreeExample6 { public static void main(String[] args) throws MalformedURLException, IOException { String url = "http://freemusicarchive.org/api/get/albums.json?api_key=60BLHNQCAOUFPIBZ&limit=5"; String json = IOUtils.toString(new URL(url)); JsonParser parser = new JsonParser(); // The JsonElement is the root node. It can be an object, array, null or // java primitive. JsonElement element = parser.parse(json); // use the isxxx methods to find out the type of jsonelement. In our // example we know that the root object is the Albums object and // contains an array of dataset objects if (element.isJsonObject()) { JsonObject albums = element.getAsJsonObject(); System.out.println(albums.get("title").getAsString()); JsonArray datasets = albums.getAsJsonArray("dataset"); for (int i = 0; i < datasets.size(); i++) { JsonObject dataset = datasets.get(i).getAsJsonObject(); System.out.println(dataset.get("album_title").getAsString()); } } } }