2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2018 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============================================
20 * ===================================================================
24 package org.onap.clamp.clds.config;
26 import com.google.gson.JsonParseException;
28 import java.io.IOException;
29 import java.io.InputStream;
30 import java.nio.charset.StandardCharsets;
32 import org.apache.commons.io.IOUtils;
33 import org.onap.clamp.clds.exception.CldsUsersException;
34 import org.onap.clamp.clds.service.CldsUser;
35 import org.onap.clamp.clds.util.JsonUtils;
37 public class CldsUserJsonDecoder {
40 * This method decodes the JSON file provided to a CldsUser Array. The stream is
41 * closed after this call, this is not possible to reuse it.
43 * @param cldsUsersFile
44 * The inputStream containing the users json file
45 * @return CldsUser[] Array containing a list of the user defined in the JSON
48 public static CldsUser[] decodeJson(InputStream cldsUsersFile) {
50 return decodeJson(IOUtils.toString(cldsUsersFile, StandardCharsets.UTF_8.name()));
51 } catch (IOException e) {
52 throw new CldsUsersException("Exception occurred during the decoding of the clds-users.json", e);
56 public static CldsUser[] decodeJson(String cldsUsersString) {
58 // the ObjectMapper readValue method closes the stream no need to do
60 return JsonUtils.GSON.fromJson(cldsUsersString, CldsUser[].class);
61 } catch (JsonParseException e) {
62 throw new CldsUsersException("Exception occurred during the decoding of the clds-users.json", e);
66 private CldsUserJsonDecoder() {