2 * ============LICENSE_START=======================================================
4 * ================================================================================
5 * Copyright (C) 2017-2018 AT&T Intellectual Property. 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.policy.controlloop.util;
23 import com.google.gson.Gson;
24 import com.google.gson.GsonBuilder;
25 import com.google.gson.JsonDeserializationContext;
26 import com.google.gson.JsonDeserializer;
27 import com.google.gson.JsonElement;
28 import com.google.gson.JsonPrimitive;
29 import com.google.gson.JsonSerializationContext;
30 import com.google.gson.JsonSerializer;
32 import java.lang.reflect.Type;
33 import java.time.Instant;
34 import java.time.ZonedDateTime;
35 import java.time.format.DateTimeFormatter;
37 import org.onap.policy.controlloop.ControlLoopNotificationType;
38 import org.onap.policy.controlloop.ControlLoopTargetType;
39 import org.slf4j.Logger;
40 import org.slf4j.LoggerFactory;
42 public final class Serialization {
43 public static final Gson gson =
44 new GsonBuilder().disableHtmlEscaping().registerTypeAdapter(ZonedDateTime.class, new GsonUtcAdapter())
45 .registerTypeAdapter(Instant.class, new GsonInstantAdapter())
46 .registerTypeAdapter(ControlLoopNotificationType.class, new NotificationTypeAdapter())
47 .registerTypeAdapter(ControlLoopTargetType.class, new TargetTypeAdapter()).create();
50 public static final Gson gsonPretty = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting()
51 .registerTypeAdapter(ZonedDateTime.class, new GsonUtcAdapter())
52 .registerTypeAdapter(Instant.class, new GsonInstantAdapter())
53 .registerTypeAdapter(ControlLoopNotificationType.class, new NotificationTypeAdapter())
54 .registerTypeAdapter(ControlLoopTargetType.class, new TargetTypeAdapter()).create();
56 public static final Gson gsonJunit = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting()
57 .registerTypeAdapter(ZonedDateTime.class, new GsonUtcAdapter())
58 .registerTypeAdapter(Instant.class, new GsonInstantAdapter())
59 .registerTypeAdapter(ControlLoopTargetType.class, new TargetTypeAdapter()).create();
61 private Serialization() {}
63 public static class NotificationTypeAdapter
64 implements JsonSerializer<ControlLoopNotificationType>, JsonDeserializer<ControlLoopNotificationType> {
66 public JsonElement serialize(ControlLoopNotificationType src, Type typeOfSrc,
67 JsonSerializationContext context) {
68 return new JsonPrimitive(src.toString());
72 public ControlLoopNotificationType deserialize(JsonElement json, Type typeOfT,
73 JsonDeserializationContext context) {
74 return ControlLoopNotificationType.toType(json.getAsString());
78 public static class TargetTypeAdapter
79 implements JsonSerializer<ControlLoopTargetType>, JsonDeserializer<ControlLoopTargetType> {
81 public JsonElement serialize(ControlLoopTargetType src, Type typeOfSrc, JsonSerializationContext context) {
82 return new JsonPrimitive(src.toString());
86 public ControlLoopTargetType deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
87 return ControlLoopTargetType.toType(json.getAsString());
91 public static class GsonUtcAdapter implements JsonSerializer<ZonedDateTime>, JsonDeserializer<ZonedDateTime> {
92 private static final Logger logger = LoggerFactory.getLogger(GsonUtcAdapter.class);
93 public static final DateTimeFormatter format = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSSSSSxxx");
96 public ZonedDateTime deserialize(JsonElement element, Type type, JsonDeserializationContext context) {
98 return ZonedDateTime.parse(element.getAsString(), format);
99 } catch (Exception e) {
100 logger.error(e.getMessage(), e);
106 public JsonElement serialize(ZonedDateTime datetime, Type type, JsonSerializationContext context) {
107 return new JsonPrimitive(datetime.format(format));
111 public static class GsonInstantAdapter implements JsonSerializer<Instant>, JsonDeserializer<Instant> {
114 public Instant deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
115 return Instant.ofEpochMilli(json.getAsLong());
119 public JsonElement serialize(Instant src, Type typeOfSrc, JsonSerializationContext context) {
120 return new JsonPrimitive(src.toEpochMilli());