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;
24 * Represents the data format listener factory which will return JSON or XML
25 * listener according to the serializer helper.
27 public final class DfListenerFactory {
30 * Returns the instance of the data format listener factory.
32 * @return instance of the data format listener factory
34 public static DfListenerFactory instance() {
35 return DfListenerFactory.LazyHolder.INSTANCE;
39 * Bill pugh singleton pattern. Instance will not be instantiated until
40 * the lazy holder class is loaded via a call to the instance of method
43 private static class LazyHolder {
44 private static final DfListenerFactory INSTANCE =
45 new DfListenerFactory();
49 * Returns the data format listener by deciding it based on the format of
52 * @param serHelper serializer helper
53 * @param params parameters
54 * @return data format listener
56 public Listener getListener(SerializerHelper serHelper,
57 YangParameters params) {
59 switch (params.format) {
61 listener = new DefaultJsonListener(serHelper);
65 listener = new DefaultXmlListener(serHelper);
68 //TODO: DataFormat Exception code to be added.
70 throw new IllegalArgumentException("In correct format");