2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.openecomp.appc.util;
24 import com.fasterxml.jackson.databind.ObjectMapper;
26 import java.io.IOException;
30 public class JsonUtil {
32 * @param valueAsString a valid json Map represented as String
33 * @return a flat map that each entry key derived from hierarchy path in the json object and flatted to a dotted separated string.
34 * 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}
35 * when it required that the input will not be flatted the json string should be formatted as below example:
36 * 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"}}
37 * @throws IOException when the object is not valid json Map
39 public static Map<String, String> convertJsonStringToFlatMap(String valueAsString) throws IOException {
40 ObjectMapper objectMapper = new ObjectMapper();
41 Map readValueMap = objectMapper.readValue(valueAsString,Map.class);
42 return org.openecomp.appc.util.ObjectMapper.map(readValueMap);