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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.openecomp.core.converter.impl.pnfd.parser;
import java.util.Map;
import java.util.Optional;
import org.openecomp.core.converter.pnfd.model.ConversionDefinition;
import org.openecomp.core.converter.pnfd.model.ConversionQuery;
import org.openecomp.core.converter.pnfd.model.PnfTransformationToken;
import org.openecomp.core.converter.pnfd.strategy.PnfdConversionStrategy;
import org.openecomp.sdc.logging.api.Logger;
import org.openecomp.sdc.logging.api.LoggerFactory;
/**
* Handles YAML from/to {@link ConversionDefinition} conversions
*/
public class ConversionDefinitionYamlParser {
private static final Logger LOGGER = LoggerFactory.getLogger(ConversionDefinitionYamlParser.class);
private ConversionDefinitionYamlParser() {
}
/**
* Parses the given a YAML object to a {@link ConversionDefinition} instance.
*
* @param conversionYaml the YAML object representing a conversion definition
* @return A new instance of {@link ConversionDefinition}.
*/
public static Optional<ConversionDefinition> parse(final Map<String, Object> conversionYaml) {
final ConversionQuery conversionQuery = ConversionQueryYamlParser.parse(conversionYaml.get(PnfTransformationToken.QUERY.getName()))
.orElse(null);
if (conversionQuery == null) {
LOGGER.warn("Invalid '{}' for '{}'", PnfTransformationToken.QUERY.getName(), conversionYaml.toString());
return Optional.empty();
}
final String toName = (String) conversionYaml.get(PnfTransformationToken.TO_NAME.getName());
final PnfdConversionStrategy toValue = PnfdConversionStrategyYamlParser
.parse((Map<String, Object>) conversionYaml.get(PnfTransformationToken.TO_VALUE.getName())).orElse(null);
final String toGetInput = (String) conversionYaml.get(PnfTransformationToken.TO_GET_INPUT.getName());
return Optional.of(new ConversionDefinition(conversionQuery, toName, toValue, toGetInput));
}
}
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