2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 Nordix Foundation
4 * ================================================================================
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
16 * SPDX-License-Identifier: Apache-2.0
17 * ============LICENSE_END=========================================================
20 package org.openecomp.core.converter.impl.pnfd.strategy;
22 import java.util.HashMap;
23 import java.util.LinkedHashMap;
24 import java.util.List;
26 import java.util.Objects;
27 import java.util.Optional;
28 import java.util.stream.Collectors;
29 import org.openecomp.core.converter.pnfd.strategy.AbstractPnfdConversionStrategy;
30 import org.openecomp.core.converter.pnfd.model.ConversionStrategyType;
31 import org.openecomp.core.converter.pnfd.model.PnfTransformationToken;
33 public class ReplaceInListConversionStrategy extends AbstractPnfdConversionStrategy<List<Object>, List<Object>> {
35 private final Map<Object, Object> replaceInListConversionStrategyMap;
37 public ReplaceInListConversionStrategy(final List<Map<String, Object>> descriptorList) {
38 super(ConversionStrategyType.REPLACE_IN_LIST, new HashMap<>());
39 replaceInListConversionStrategyMap = new LinkedHashMap<>();
41 .forEach(stringObjectMap -> replaceInListConversionStrategyMap.put(stringObjectMap.get(
42 PnfTransformationToken.FROM.getName())
43 , stringObjectMap.get(PnfTransformationToken.TO.getName()))
48 public Optional<List<Object>> convert(final List<Object> originalValue) {
49 if (originalValue == null || originalValue.isEmpty()) {
50 return Optional.empty();
53 final List<Object> convertedList = originalValue.stream()
54 .map(replaceInListConversionStrategyMap::get)
55 .filter(Objects::nonNull)
56 .collect(Collectors.toList());
58 return convertedList.isEmpty() ? Optional.empty() : Optional.of(convertedList);