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/*-
* ============LICENSE_START=======================================================
* ONAP - SO
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Copyright (C) 2018 Nokia.
* ================================================================================
* 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.List;
import java.util.Optional;
import java.util.Spliterator;
public final class JsonUtilForPnfCorrelationId {
private static final String JSON_PNF_CORRELATION_ID_FIELD_NAME = "correlationId";
static List<String> parseJsonToGelAllPnfCorrelationId(String json) {
JsonElement je = new JsonParser().parse(json);
JsonArray array = je.getAsJsonArray();
List<String> list = new ArrayList<>();
Spliterator<JsonElement> spliterator = array.spliterator();
spliterator.forEachRemaining(jsonElement -> {
handleEscapedCharacters(jsonElement).ifPresent(jsonObject -> getPnfCorrelationId(jsonObject)
.ifPresent(pnfCorrelationId -> list.add(pnfCorrelationId)));
});
return list;
}
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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