2 * Copyright (c) 2017. Developed by Hedgecode.
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
8 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
17 package org.hedgecode.snooker.json;
20 * Null checking Token for parsing input JSON strings.
22 * @author Dmitry Samoshin aka gotty
24 public final class JsonStringToken {
26 private static final String NULL_QUOTES_TOKEN = "\"\"";
27 private static final String NULL_JSON = "[null]";
29 private JsonStringToken() {
32 public static String token(String json) {
33 if (json == null || json.isEmpty() || NULL_QUOTES_TOKEN.equals(json))