HashMap map = new HashMap();
try {
System.setProperty("org.apache.wink.common.model.json.factory.impl", "org.apache.wink.json4j.compat.impl.ApacheJSONFactory");
JSONFactory factory = JSONFactory.newInstance();
JSONObject jObject = factory.createJSONObject("{\"foo\": \"bar\", \"number\": 1, \"bool\":null}");
Iterator keys = jObject.keys();
while (keys.hasNext()) {
String key = (String)keys.next();
map.put(key, key);
}
} catch (Exception ex1) {