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| 1 | +/* |
| 2 | +The MIT License (MIT) |
| 3 | +
|
| 4 | +Copyright (c) 2017 Wolfgang Almeida |
| 5 | +
|
| 6 | +Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | +of this software and associated documentation files (the "Software"), to deal |
| 8 | +in the Software without restriction, including without limitation the rights |
| 9 | +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
| 10 | +copies of the Software, and to permit persons to whom the Software is |
| 11 | +furnished to do so, subject to the following conditions: |
| 12 | +
|
| 13 | +The above copyright notice and this permission notice shall be included in all |
| 14 | +copies or substantial portions of the Software. |
| 15 | +
|
| 16 | +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
| 19 | +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | +SOFTWARE. |
| 23 | +*/ |
| 24 | + |
| 25 | +package io.github.wolfterro; |
| 26 | + |
| 27 | +import java.io.IOException; |
| 28 | +import java.io.InputStream; |
| 29 | +import java.net.*; |
| 30 | +import java.util.Scanner; |
| 31 | + |
| 32 | +import org.json.*; |
| 33 | + |
| 34 | +// Classe responsável por resgatar o arquivo .json de uma API pública |
| 35 | +// ================================================================== |
| 36 | +public class GetJSON { |
| 37 | + // Propriedades privadas |
| 38 | + // ===================== |
| 39 | + private JSONObject obj = null; |
| 40 | + private String apiURL = ""; |
| 41 | + |
| 42 | + // Construtor da classe |
| 43 | + // ==================== |
| 44 | + public GetJSON(String apiURL) { |
| 45 | + this.apiURL = apiURL; |
| 46 | + } |
| 47 | + |
| 48 | + // Métodos privados da classe |
| 49 | + // ========================== |
| 50 | + private void getJSON() { |
| 51 | + try { |
| 52 | + URL u = new URL(apiURL); |
| 53 | + HttpURLConnection conn = (HttpURLConnection) u.openConnection(); |
| 54 | + conn.connect(); |
| 55 | + |
| 56 | + InputStream stream = (InputStream) conn.getContent(); |
| 57 | + |
| 58 | + Scanner s = new Scanner(stream); |
| 59 | + s.useDelimiter("\\A"); |
| 60 | + String res = s.hasNext() ? s.next() : ""; |
| 61 | + s.close(); |
| 62 | + |
| 63 | + obj = new JSONObject(res); |
| 64 | + } |
| 65 | + catch(MalformedURLException e) { |
| 66 | + e.printStackTrace(); |
| 67 | + } |
| 68 | + catch(IOException e) { |
| 69 | + e.printStackTrace(); |
| 70 | + } |
| 71 | + } |
| 72 | + |
| 73 | + // Métodos públicos da classe |
| 74 | + // ========================== |
| 75 | + public JSONObject get() { |
| 76 | + getJSON(); |
| 77 | + return obj; |
| 78 | + } |
| 79 | +} |
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