2 * ============LICENSE_START=======================================================
3 * Copyright (C) 2019 AT&T Intellectual Property. All rights reserved.
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
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 * SPDX-License-Identifier: Apache-2.0
18 * ============LICENSE_END=========================================================
21 package org.onap.policy.models.tosca.simple.serialization;
23 import com.google.gson.JsonDeserializationContext;
24 import com.google.gson.JsonDeserializer;
25 import com.google.gson.JsonElement;
26 import com.google.gson.JsonObject;
27 import com.google.gson.JsonSerializationContext;
28 import com.google.gson.JsonSerializer;
30 import java.lang.reflect.Type;
31 import javax.ws.rs.core.Response;
33 import lombok.NonNull;
35 import org.onap.policy.models.base.PfConceptKey;
36 import org.onap.policy.models.base.PfModelRuntimeException;
37 import org.onap.policy.models.tosca.simple.concepts.JpaToscaDataType;
38 import org.onap.policy.models.tosca.simple.concepts.JpaToscaProperty;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
43 * GSON type adapter for TOSCA data types.
45 * @author Chenfei Gao (cgao@research.att.com)
47 public class ToscaDataTypeJsonAdapter implements JsonSerializer<JpaToscaDataType>, JsonDeserializer<JpaToscaDataType> {
49 private static final Logger LOGGER = LoggerFactory.getLogger(ToscaDataTypeJsonAdapter.class);
51 private static final String DERIVED_FROM = "derived_from";
52 private static final String DESCRIPTION = "description";
53 private static final String VERSION = "version";
54 private static final String PROPERTIES = "properties";
55 private static final String DEFAULT_VERSION = "1.0.0";
58 public JpaToscaDataType deserialize(@NonNull final JsonElement dataTypeElement, @NonNull final Type type,
59 @NonNull final JsonDeserializationContext context) {
62 final JsonObject dataTypeJsonMapObject = dataTypeElement.getAsJsonObject();
64 // We should only have a single entry for the policy type
65 if (dataTypeJsonMapObject.entrySet().size() != 1) {
66 String errorMessage = "a policy type list entry may only contain one and only one policy type";
67 LOGGER.debug(errorMessage);
68 throw new PfModelRuntimeException(Response.Status.BAD_REQUEST, errorMessage);
71 final String dataTypeName = dataTypeJsonMapObject.entrySet().iterator().next().getKey();
72 final JsonObject dataTypeJsonObject = dataTypeJsonMapObject.entrySet().iterator().next()
73 .getValue().getAsJsonObject();
76 PfConceptKey dataTypeKey;
77 if (dataTypeJsonObject.get(VERSION) == null) {
78 dataTypeKey = new PfConceptKey(dataTypeName, DEFAULT_VERSION);
80 dataTypeKey = new PfConceptKey(dataTypeName, dataTypeJsonObject.get(VERSION).getAsString());
82 JpaToscaDataType dataType = new JpaToscaDataType(dataTypeKey);
85 dataType.setDerivedFrom(new PfConceptKey(dataTypeJsonObject.get(DERIVED_FROM).getAsString(),
89 if (dataTypeJsonObject.has(DESCRIPTION)) {
90 final String dataTypeDescription = dataTypeJsonObject.get(DESCRIPTION).getAsString();
91 dataType.setDescription(dataTypeDescription);
95 if (dataTypeJsonObject.has(PROPERTIES)) {
96 dataType.setProperties(
97 new ToscaPropertiesJsonAdapter().deserializeProperties(dataTypeJsonObject.get(PROPERTIES)));
98 for (JpaToscaProperty property : dataType.getProperties()) {
99 property.getKey().setParentConceptKey(dataTypeKey);
100 property.getType().setVersion(dataType.getKey().getVersion());
108 public JsonElement serialize(@NonNull final JpaToscaDataType dataType, @NonNull final Type type,
109 @NonNull final JsonSerializationContext context) {
111 JsonObject dataTypeValJsonObject = new JsonObject();
114 if (dataType.getDerivedFrom() != null) {
115 dataTypeValJsonObject.addProperty(DERIVED_FROM, dataType.getDerivedFrom().getName());
119 if (dataType.getDescription() != null) {
120 dataTypeValJsonObject.addProperty(DESCRIPTION, dataType.getDescription());
124 if (dataType.getKey().getVersion() != null) {
125 dataTypeValJsonObject.addProperty(VERSION, dataType.getKey().getVersion());
129 if (dataType.getProperties() != null) {
130 JsonElement propertiesJsonElement = new ToscaPropertiesJsonAdapter()
131 .serializeProperties(dataType.getProperties());
132 dataTypeValJsonObject.add(PROPERTIES, propertiesJsonElement);
135 JsonObject dataTypeJsonObject = new JsonObject();
136 dataTypeJsonObject.add(dataType.getKey().getName(), dataTypeValJsonObject);
137 return dataTypeJsonObject;