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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2021-2022 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.cps.ncmp.api.impl.operations;
import java.util.LinkedHashMap;
import java.util.Map;
import lombok.AllArgsConstructor;
import org.onap.cps.api.CpsDataService;
import org.onap.cps.ncmp.api.impl.yangmodels.YangModelCmHandle;
import org.onap.cps.ncmp.api.models.NcmpServiceCmHandle;
import org.onap.cps.spi.FetchDescendantsOption;
import org.onap.cps.spi.model.DataNode;
import org.onap.cps.utils.CpsValidator;
import org.springframework.stereotype.Component;
/**
* Retrieves YangModelCmHandles & properties.
*/
@Component
@AllArgsConstructor
public class YangModelCmHandleRetriever {
private static final String NCMP_DATASPACE_NAME = "NCMP-Admin";
private static final String NCMP_DMI_REGISTRY_ANCHOR = "ncmp-dmi-registry";
private CpsDataService cpsDataService;
/**
* This method retrieves DMI service name and DMI properties for a given cm handle.
* @param cmHandleId the id of the cm handle
* @return yang model cm handle
*/
public YangModelCmHandle getDmiServiceNamesAndProperties(final String cmHandleId) {
CpsValidator.validateNameCharacters(cmHandleId);
final DataNode cmHandleDataNode = getCmHandleDataNode(cmHandleId);
final NcmpServiceCmHandle ncmpServiceCmHandle = new NcmpServiceCmHandle();
ncmpServiceCmHandle.setCmHandleId(cmHandleId);
populateCmHandleProperties(cmHandleDataNode, ncmpServiceCmHandle);
return YangModelCmHandle.toYangModelCmHandle(
String.valueOf(cmHandleDataNode.getLeaves().get("dmi-service-name")),
String.valueOf(cmHandleDataNode.getLeaves().get("dmi-data-service-name")),
String.valueOf(cmHandleDataNode.getLeaves().get("dmi-model-service-name")),
ncmpServiceCmHandle
);
}
private DataNode getCmHandleDataNode(final String cmHandle) {
final String xpathForDmiRegistryToFetchCmHandle = "/dmi-registry/cm-handles[@id='" + cmHandle + "']";
return cpsDataService.getDataNode(NCMP_DATASPACE_NAME,
NCMP_DMI_REGISTRY_ANCHOR,
xpathForDmiRegistryToFetchCmHandle,
FetchDescendantsOption.INCLUDE_ALL_DESCENDANTS);
}
private static void populateCmHandleProperties(final DataNode cmHandleDataNode,
final NcmpServiceCmHandle ncmpServiceCmHandle) {
final Map<String, String> dmiProperties = new LinkedHashMap<>();
final Map<String, String> publicProperties = new LinkedHashMap<>();
for (final DataNode childDataNode: cmHandleDataNode.getChildDataNodes()) {
if (childDataNode.getXpath().contains("/additional-properties[@name=")) {
addProperty(childDataNode, dmiProperties);
} else if (childDataNode.getXpath().contains("/public-properties[@name=")) {
addProperty(childDataNode, publicProperties);
}
}
ncmpServiceCmHandle.setDmiProperties(dmiProperties);
ncmpServiceCmHandle.setPublicProperties(publicProperties);
}
private static void addProperty(final DataNode propertyDataNode, final Map<String, String> propertiesAsMap) {
propertiesAsMap.put(String.valueOf(propertyDataNode.getLeaves().get("name")),
String.valueOf(propertyDataNode.getLeaves().get("value")));
}
}
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