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/*
* ============LICENSE_START=======================================================
* Copyright (C) 2024 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.utils;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.lang3.StringUtils;
import org.onap.cps.ncmp.api.impl.inventory.InventoryPersistence;
import org.onap.cps.ncmp.exceptions.NoAlternateIdMatchFoundException;
import org.onap.cps.spi.exceptions.DataNodeNotFoundException;
import org.onap.cps.spi.model.DataNode;
import org.springframework.stereotype.Service;
@Slf4j
@Service
@RequiredArgsConstructor
public class AlternateIdMatcher {
private final InventoryPersistence inventoryPersistence;
/**
* Get data node that matches longest alternate id by removing elements (as defined by the separator string)
* from right to left.
*
* @param alternateId alternate ID
* @param separator a string that separates each element from the next.
* @return data node
*/
public DataNode getCmHandleDataNodeByLongestMatchAlternateId(final String alternateId, final String separator) {
String bestMatch = alternateId;
while (StringUtils.isNotEmpty(bestMatch)) {
try {
return inventoryPersistence.getCmHandleDataNodeByAlternateId(bestMatch);
} catch (final DataNodeNotFoundException ignored) {
bestMatch = getParentPath(bestMatch, separator);
}
}
throw new NoAlternateIdMatchFoundException(alternateId);
}
private String getParentPath(final String path, final String separator) {
final int lastSeparatorIndex = path.lastIndexOf(separator);
return lastSeparatorIndex < 0 ? "" : path.substring(0, lastSeparatorIndex);
}
}
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