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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* Copyright (C) 2021 Samsung Electronics.
* ================================================================================
* 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.
*
* SPDX-License-Identifier: Apache-2.0
* ============LICENSE_END=========================================================
*/
package org.onap.dcaegen2.services.pmmapper.utils;
import com.google.gson.Gson;
import com.google.gson.JsonElement;
import com.google.gson.JsonParser;
import com.google.gson.TypeAdapter;
import com.google.gson.stream.JsonReader;
import com.google.gson.stream.JsonWriter;
import java.io.IOException;
import org.onap.dcaegen2.services.pmmapper.model.MeasFilterConfig;
import org.onap.logging.ref.slf4j.ONAPLogAdapter;
import org.slf4j.LoggerFactory;
public class MeasFilterConfigAdapter extends TypeAdapter<MeasFilterConfig> {
private static final ONAPLogAdapter logger = new ONAPLogAdapter(
LoggerFactory.getLogger(MeasFilterConfigAdapter.class));
@Override
public void write(JsonWriter jsonWriter, MeasFilterConfig o) throws IOException {
throw new UnsupportedOperationException();
}
@Override
public MeasFilterConfig read(JsonReader jsonReader) throws IOException {
JsonElement rootElement = JsonParser.parseReader(jsonReader);
if (rootElement.isJsonObject()) {
logger.unwrap().debug("Reading filter as an object.");
return new Gson().fromJson(rootElement, MeasFilterConfig.class);
} else if (rootElement.isJsonPrimitive()) {
logger.unwrap().debug("Reading filter as an object in a JSON string.");
return new Gson().fromJson(rootElement.getAsString(), MeasFilterConfig.class);
} else {
logger.unwrap().error("Filter does not appear to be formatted correctly.");
throw new UnsupportedOperationException("Expected an Object or Object as JSON String.");
}
}
}
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