2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2019 AT&T Intellectual Property. All rights reserved.
6 * Modifications Copyright (C) 2019 Nordix Foundation.
7 * ================================================================================
8 * Licensed under the Apache License, Version 2.0 (the "License");
9 * you may not use this file except in compliance with the License.
10 * You may obtain a copy of the License at
12 * http://www.apache.org/licenses/LICENSE-2.0
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 * ============LICENSE_END=========================================================
22 package org.onap.policy.appclcm.util;
24 import com.google.gson.Gson;
25 import com.google.gson.GsonBuilder;
26 import com.google.gson.JsonDeserializationContext;
27 import com.google.gson.JsonDeserializer;
28 import com.google.gson.JsonElement;
29 import com.google.gson.JsonObject;
30 import com.google.gson.JsonPrimitive;
31 import com.google.gson.JsonSerializationContext;
32 import com.google.gson.JsonSerializer;
34 import java.lang.reflect.Type;
35 import java.time.Instant;
37 import org.onap.policy.appclcm.LcmRequest;
38 import org.onap.policy.appclcm.LcmResponse;
40 public final class Serialization {
41 public static final Gson gsonPretty = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting()
42 .registerTypeAdapter(Instant.class, new InstantAdapter()).create();
44 public static final Gson gson = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting()
45 .registerTypeAdapter(LcmRequest.class, new RequestAdapter())
46 .registerTypeAdapter(LcmResponse.class, new ResponseAdapter()).create();
48 public static final Gson gsonJunit = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting()
49 .registerTypeAdapter(Instant.class, new InstantJunitAdapter()).create();
51 private Serialization() {}
53 public static class RequestAdapter implements JsonSerializer<LcmRequest>, JsonDeserializer<LcmRequest> {
56 public JsonElement serialize(LcmRequest src, Type typeOfSrc, JsonSerializationContext context) {
57 JsonElement requestJson = gsonPretty.toJsonTree(src, LcmRequest.class);
58 JsonObject input = new JsonObject();
59 input.add("input", requestJson);
65 public LcmRequest deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
66 return gsonPretty.fromJson(json.getAsJsonObject().get("input"), LcmRequest.class);
70 public static class ResponseAdapter implements JsonSerializer<LcmResponse>, JsonDeserializer<LcmResponse> {
73 public JsonElement serialize(LcmResponse src, Type typeOfSrc, JsonSerializationContext context) {
74 JsonElement responseJson = gsonPretty.toJsonTree(src, LcmResponse.class);
75 JsonObject output = new JsonObject();
76 output.add("output", responseJson);
81 public LcmResponse deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
82 return gsonPretty.fromJson(json.getAsJsonObject().get("output"), LcmResponse.class);
86 public static class InstantAdapter implements JsonSerializer<Instant>, JsonDeserializer<Instant> {
89 public Instant deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
90 return Instant.parse(json.getAsString());
94 public JsonElement serialize(Instant src, Type typeOfSrc, JsonSerializationContext context) {
95 return new JsonPrimitive(src.toString());
100 public static class InstantJunitAdapter implements JsonSerializer<Instant>, JsonDeserializer<Instant> {
103 public Instant deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
104 return Instant.ofEpochMilli(json.getAsLong());
108 public JsonElement serialize(Instant src, Type typeOfSrc, JsonSerializationContext context) {
109 return new JsonPrimitive(src.toEpochMilli());