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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2018 Nokia.
* Modifications Copyright (c) 2019 Samsung
* ================================================================================
* 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.so.bpmn.infrastructure.pnf.dmaap;
import com.google.gson.JsonArray;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Optional;
import java.util.Spliterator;
public final class JsonUtilForPnfCorrelationId {
private static final String JSON_PNF_CORRELATION_ID_FIELD_NAME = "correlationId";
private JsonUtilForPnfCorrelationId() {
throw new IllegalStateException("Utility class");
}
static List<String> parseJsonToGelAllPnfCorrelationId(List<String> list) {
if (list == null || list.isEmpty()) {
return Collections.emptyList();
}
List<String> newList = new ArrayList<>();
list.forEach(je -> handleEscapedCharacters(new JsonParser().parse(je))
.ifPresent(jsonObject -> getPnfCorrelationId(jsonObject)
.ifPresent(pnfCorrelationId -> newList.add(pnfCorrelationId))));
return newList;
}
private static Optional<JsonObject> handleEscapedCharacters(JsonElement jsonElement) {
if (jsonElement.isJsonObject()) {
return Optional.ofNullable(jsonElement.getAsJsonObject());
}
return Optional.ofNullable(new JsonParser().parse(jsonElement.getAsString()).getAsJsonObject());
}
private static Optional<String> getPnfCorrelationId(JsonObject jsonObject) {
if (jsonObject.has(JSON_PNF_CORRELATION_ID_FIELD_NAME)) {
return Optional.ofNullable(jsonObject.get(JSON_PNF_CORRELATION_ID_FIELD_NAME).getAsString());
}
return Optional.empty();
}
}
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