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/*
* ============LICENSE_START=======================================================
* PNF-REGISTRATION-HANDLER
* ================================================================================
* Copyright (C) 2019 NOKIA Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.dcaegen2.services.bootstrap;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import java.util.Map;
import static java.util.stream.Collectors.toMap;
class CbsJsonToPropertyMapConverter {
private static final String CBS_CONFIG_ROOT_PROPERTY = "config";
Map<String, Object> convertToMap(JsonObject jsonObject) {
verifyExpectedCbsJsonFormat(jsonObject);
JsonObject config = jsonObject.getAsJsonObject(CBS_CONFIG_ROOT_PROPERTY);
return config.entrySet().stream()
.filter(entry -> entry.getValue().isJsonPrimitive())
.collect(toMap(Map.Entry::getKey, entry -> unpack(entry.getValue().getAsJsonPrimitive())));
}
private static void verifyExpectedCbsJsonFormat(JsonObject jsonObject) {
if (!jsonObject.has(CBS_CONFIG_ROOT_PROPERTY)) {
throw new IllegalArgumentException("Missing expected '" + CBS_CONFIG_ROOT_PROPERTY + "'" +
" property in json from CBS.");
}
}
private Object unpack(JsonPrimitive value) {
if (value.isString()) {
return value.getAsString();
}
if (value.isBoolean()) {
return value.getAsBoolean();
}
if (value.isNumber()) {
return value.getAsLong();
}
throw new IllegalArgumentException("Unexpected JsonPrimitive type found in configuration form CBS: " + value);
}
}
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