2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018 Huawei Technologies Co., Ltd. All rights reserved.
6 * ================================================================================
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
11 * http://www.apache.org/licenses/LICENSE-2.0
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 * ============LICENSE_END=========================================================
21 package org.onap.ccsdk.sli.plugins.yangserializers.dfserializer;
23 import org.onap.ccsdk.sli.core.sli.SvcLogicException;
25 import static java.lang.String.format;
26 import static org.onap.ccsdk.sli.plugins.yangserializers.dfserializer.DfSerializerUtil.FORMAT_ERR;
29 * Represents the data format serializer factory which will return JSON or XML
30 * serializer according to the serializer context.
32 public final class DfSerializerFactory {
35 * Creates a new DfSerializerFactory.
37 private DfSerializerFactory() {
41 * Returns the instance of the data format serializer factory.
43 * @return instance of the data format serializer factory
45 public static DfSerializerFactory instance() {
46 return DfSerializerFactory.LazyHolder.INSTANCE;
50 * Bill pugh singleton pattern. Instance will not be instantiated until
51 * the lazy holder class is loaded via a call to the instance of method
54 private static class LazyHolder {
55 private static final DfSerializerFactory INSTANCE =
56 new DfSerializerFactory();
60 * Returns the data format serializer by deciding it based on the format of
63 * @param serCtx serializer context
64 * @param params parameters
65 * @return data format serializer
66 * @throws SvcLogicException when the data format type is wrong
68 public DataFormatSerializer getSerializer(DataFormatSerializerContext serCtx,
69 YangParameters params)
70 throws SvcLogicException {
71 DataFormatSerializer serializer;
72 switch (params.format) {
74 serializer = new JsonSerializer(serCtx);
78 serializer = new XmlSerializer(serCtx);
82 throw new SvcLogicException(format(FORMAT_ERR,