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/*-
* ============LICENSE_START=======================================================
* Copyright (C) 2019 Nordix Foundation.
* ================================================================================
* 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.so.adapters.etsisol003adapter.lcm;
import static org.slf4j.LoggerFactory.getLogger;
import java.util.ArrayList;
import java.util.Collection;
import org.slf4j.Logger;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
public final class NvfmAdapterUtils {
private static Logger logger = getLogger(NvfmAdapterUtils.class);
private NvfmAdapterUtils() {
throw new IllegalStateException("Utility class");
}
public static JsonObject child(final JsonObject parent, final String name) {
return childElement(parent, name).getAsJsonObject();
}
public static JsonElement childElement(final JsonObject parent, final String name) {
final JsonElement child = parent.get(name);
if (child == null) {
throw abortOperation("Missing child " + name);
}
return child;
}
public static Collection<JsonObject> children(final JsonObject parent) {
final ArrayList<JsonObject> childElements = new ArrayList<>();
for (final String childKey : parent.keySet()) {
if (parent.get(childKey).isJsonObject()) {
childElements.add(parent.get(childKey).getAsJsonObject());
}
}
return childElements;
}
public static RuntimeException abortOperation(final String msg, final Exception e) {
logger.error(msg, e);
return new RuntimeException(msg, e);
}
public static RuntimeException abortOperation(final String msg) {
logger.error(msg);
return new RuntimeException(msg);
}
}
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