*/
public final class JSONUtils {
public static String buildJSON(Map<String, Object> params) {
final JSONStringer stringer = new JSONStringer();
stringer.object();
for (Map.Entry<String, Object> param : params.entrySet()) {
if (param.getKey() != null && !"".equals(param.getKey()) && param.getValue() != null && !""
.equals(param.getValue())) {
stringer.key(param.getKey()).value(param.getValue());