| 1 | package net.oni2.moddepot; | 
 
 
 
 
 | 2 |  | 
 
 
 
 
 | 3 | import org.json.JSONException; | 
 
 
 
 
 | 4 | import org.json.JSONObject; | 
 
 
 
 
 | 5 |  | 
 
 
 
 
 | 6 | /** | 
 
 
 
 
 | 7 | * @author Christian Illy | 
 
 
 
 
 | 8 | */ | 
 
 
 
 
 | 9 | public class JSONHelpers { | 
 
 
 
 
 | 10 | /** | 
 
 
 
 
 | 11 | * Return the string associated with the given key or null if the key does | 
 
 
 
 
 | 12 | * not exist or does not contain a string | 
 
 
 
 
 | 13 | * | 
 
 
 
 
 | 14 | * @param parent | 
 
 
 
 
 | 15 | *            Parent JSON object | 
 
 
 
 
 | 16 | * @param key | 
 
 
 
 
 | 17 | *            Key to look for | 
 
 
 
 
 | 18 | * @return Contained string or null | 
 
 
 
 
 | 19 | */ | 
 
 
 
 
 | 20 | public static String getStringOrNull(JSONObject parent, String key) { | 
 
 
 
 
 | 21 | try { | 
 
 
 
 
 | 22 | Object obj = parent.get(key); | 
 
 
 
 
 | 23 | if (obj instanceof String) | 
 
 
 
 
 | 24 | return (String) obj; | 
 
 
 
 
 | 25 | } catch (JSONException e) { | 
 
 
 
 
 | 26 | e.printStackTrace(); | 
 
 
 
 
 | 27 | } | 
 
 
 
 
 | 28 | return null; | 
 
 
 
 
 | 29 | } | 
 
 
 
 
 | 30 | } |