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Simple example on how to convert Json string to Hash Map<String, Object>
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//http://stackoverflow.com/questions/21720759/convert-a-json-string-to-a-hashmap | |
public static Map<String, Object> jsonToMap(JSONObject json) throws JSONException { | |
Map<String, Object> retMap = new HashMap<String, Object>(); | |
if(json != JSONObject.NULL) { | |
retMap = toMap(json); | |
} | |
return retMap; | |
} | |
public static Map<String, Object> toMap(JSONObject object) throws JSONException { | |
Map<String, Object> map = new HashMap<String, Object>(); | |
Iterator<String> keysItr = object.keys(); | |
while(keysItr.hasNext()) { | |
String key = keysItr.next(); | |
Object value = object.get(key); | |
if(value instanceof JSONArray) { | |
value = toList((JSONArray) value); | |
} | |
else if(value instanceof JSONObject) { | |
value = toMap((JSONObject) value); | |
} | |
map.put(key, value); | |
} | |
return map; | |
} | |
public static List<Object> toList(JSONArray array) throws JSONException { | |
List<Object> list = new ArrayList<Object>(); | |
for(int i = 0; i < array.length(); i++) { | |
Object value = array.get(i); | |
if(value instanceof JSONArray) { | |
value = toList((JSONArray) value); | |
} | |
else if(value instanceof JSONObject) { | |
value = toMap((JSONObject) value); | |
} | |
list.add(value); | |
} | |
return list; | |
} |
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