2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
6 * ================================================================================
7 * Copyright (C) 2017 Amdocs
8 * =============================================================================
9 * Licensed under the Apache License, Version 2.0 (the "License");
10 * you may not use this file except in compliance with the License.
11 * You may obtain a copy of the License at
13 * http://www.apache.org/licenses/LICENSE-2.0
15 * Unless required by applicable law or agreed to in writing, software
16 * distributed under the License is distributed on an "AS IS" BASIS,
17 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
18 * See the License for the specific language governing permissions and
19 * limitations under the License.
21 * ECOMP is a trademark and service mark of AT&T Intellectual Property.
22 * ============LICENSE_END=========================================================
25 package org.onap.appc.dg.common.impl;
27 import org.onap.appc.configuration.Configuration;
28 import org.onap.appc.configuration.ConfigurationFactory;
30 public class ResolverDataReaderFactory {
32 private static final Configuration configuration = ConfigurationFactory.getConfiguration();
34 private ResolverDataReaderFactory() {}
36 public static AbstractResolverDataReader createResolverDataReader(String resolverType) {
37 if ("VNF".equalsIgnoreCase(resolverType)) {
38 return ReferenceHolder.VNF_RESOLVER_DATA_READER;
39 } else if ("VNFC".equalsIgnoreCase(resolverType)) {
40 return ReferenceHolder.VNFC_RESOLVER_DATA_READER;
46 private static class ReferenceHolder {
48 private static final AbstractResolverDataReader VNFC_RESOLVER_DATA_READER = new VNFCResolverDataReader();
50 private static final AbstractResolverDataReader VNF_RESOLVER_DATA_READER = new VNFResolverDataReader();
52 private ReferenceHolder() {}