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.factory;
22 import java.util.Optional;
23 import org.openecomp.core.converter.pnfd.model.Transformation;
24 import org.openecomp.core.converter.impl.pnfd.parser.PnfdInputBlockParser;
25 import org.openecomp.core.converter.impl.pnfd.parser.PnfdNodeTemplateBlockParser;
26 import org.openecomp.core.converter.pnfd.parser.PnfdBlockParser;
29 * Factory for {@link PnfdBlockParser}.
31 public class PnfdBlockParserFactory {
32 private static PnfdBlockParserFactory instance;
34 private PnfdBlockParserFactory() {
37 public static PnfdBlockParserFactory getInstance() {
38 if (instance == null) {
39 instance = new PnfdBlockParserFactory();
45 public Optional<PnfdBlockParser> get(final Transformation transformation) {
46 switch (transformation.getBlock()) {
48 return Optional.of(new PnfdNodeTemplateBlockParser(transformation));
50 case GET_INPUT_FUNCTION:
51 return Optional.of(new PnfdInputBlockParser(transformation));
53 return Optional.empty();