2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 * ============LICENSE_END=========================================================
25 package org.openecomp.appc.util;
27 import com.fasterxml.jackson.databind.ObjectMapper;
29 import java.io.IOException;
33 public class JsonUtil {
35 * @param valueAsString a valid json Map represented as String
36 * @return a flat map that each entry key derived from hierarchy path in the json object and flatted to a dotted separated string.
37 * e.g. "{\"A\":\"A-value\",\"B\":{\"C\":\"B.C-value\",\"D\":\"B.D-value\"}}"; will be represented as {A=A-value, B.C=B.C-value, B.D=B.D-value}
38 * when it required that the input will not be flatted the json string should be formatted as below example:
39 * e.g. "{\"A\":\"A-value\",\"B\":\"{\\\"C\\\":\\\"C-value\\\",\\\"D\\\":\\\"D-value\\\"}\"}" will be represented as {A=A-value, B={"C":"C-value","D":"D-value"}}
40 * @throws IOException when the object is not valid json Map
42 public static Map<String, String> convertJsonStringToFlatMap(String valueAsString) throws IOException {
43 ObjectMapper objectMapper = new ObjectMapper();
44 Map readValueMap = objectMapper.readValue(valueAsString,Map.class);
45 return org.openecomp.appc.util.ObjectMapper.map(readValueMap);