2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2018 Wipro Limited Intellectual Property. All rights reserved.
6 * Modifications Copyright (C) 2019 Nordix Foundation.
7 * Modifications Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
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.
20 * ============LICENSE_END=========================================================
23 package org.onap.policy.sdnr.util;
25 import com.google.gson.Gson;
26 import com.google.gson.GsonBuilder;
27 import com.google.gson.JsonDeserializationContext;
28 import com.google.gson.JsonDeserializer;
29 import com.google.gson.JsonElement;
30 import com.google.gson.JsonObject;
31 import com.google.gson.JsonPrimitive;
32 import com.google.gson.JsonSerializationContext;
33 import com.google.gson.JsonSerializer;
35 import java.lang.reflect.Type;
36 import java.time.Instant;
38 import org.onap.policy.sdnr.PciRequest;
39 import org.onap.policy.sdnr.PciResponse;
41 public final class Serialization {
42 public static final Gson gsonPretty = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting()
43 .registerTypeAdapter(Instant.class, new InstantAdapter()).create();
45 public static final Gson gson = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting()
46 .registerTypeAdapter(PciRequest.class, new RequestAdapter())
47 .registerTypeAdapter(PciResponse.class, new ResponseAdapter()).create();
49 public static final Gson gsonJunit = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting()
50 .registerTypeAdapter(Instant.class, new InstantJunitAdapter()).create();
52 private Serialization() {
53 // Private constructor to prevent subclassing
56 public static class RequestAdapter implements JsonSerializer<PciRequest>, JsonDeserializer<PciRequest> {
59 public JsonElement serialize(PciRequest src, Type typeOfSrc, JsonSerializationContext context) {
60 JsonElement requestJson = gsonPretty.toJsonTree(src, PciRequest.class);
61 JsonObject input = new JsonObject();
62 input.add("input", requestJson);
68 public PciRequest deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
69 return gsonPretty.fromJson(json.getAsJsonObject().get("input"), PciRequest.class);
73 public static class ResponseAdapter implements JsonSerializer<PciResponse>, JsonDeserializer<PciResponse> {
76 public JsonElement serialize(PciResponse src, Type typeOfSrc, JsonSerializationContext context) {
77 JsonElement responseJson = gsonPretty.toJsonTree(src, PciResponse.class);
78 JsonObject output = new JsonObject();
79 output.add("output", responseJson);
84 public PciResponse deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
85 return gsonPretty.fromJson(json.getAsJsonObject().get("output"), PciResponse.class);
89 public static class InstantAdapter implements JsonSerializer<Instant>, JsonDeserializer<Instant> {
92 public Instant deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
93 return Instant.parse(json.getAsString());
97 public JsonElement serialize(Instant src, Type typeOfSrc, JsonSerializationContext context) {
98 return new JsonPrimitive(src.toString());
103 public static class InstantJunitAdapter implements JsonSerializer<Instant>, JsonDeserializer<Instant> {
106 public Instant deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
107 return Instant.ofEpochMilli(json.getAsLong());
111 public JsonElement serialize(Instant src, Type typeOfSrc, JsonSerializationContext context) {
112 return new JsonPrimitive(src.toEpochMilli());