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/*-
* ============LICENSE_START=======================================================
* sdnr
* ================================================================================
* Copyright (C) 2018 Wipro Limited Intellectual Property. All rights reserved.
* Modifications Copyright (C) 2018 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* ============LICENSE_END=========================================================
*/
package org.onap.policy.sdnr.util;
import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonDeserializationContext;
import com.google.gson.JsonDeserializer;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
import java.lang.reflect.Type;
import java.time.Instant;
import org.onap.policy.sdnr.PciRequest;
import org.onap.policy.sdnr.PciResponse;
public final class Serialization {
public static final Gson gsonPretty = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting()
.registerTypeAdapter(Instant.class, new InstantAdapter()).create();
public static final Gson gson = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting()
.registerTypeAdapter(PciRequest.class, new RequestAdapter())
.registerTypeAdapter(PciResponse.class, new ResponseAdapter()).create();
public static final Gson gsonJunit = new GsonBuilder().disableHtmlEscaping().setPrettyPrinting()
.registerTypeAdapter(Instant.class, new InstantJunitAdapter()).create();
private Serialization() {}
public static class RequestAdapter implements JsonSerializer<PciRequest>, JsonDeserializer<PciRequest> {
@Override
public JsonElement serialize(PciRequest src, Type typeOfSrc, JsonSerializationContext context) {
JsonElement requestJson = gsonPretty.toJsonTree(src, PciRequest.class);
JsonObject input = new JsonObject();
input.add("input", requestJson);
return input;
}
@Override
public PciRequest deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
return gsonPretty.fromJson(json.getAsJsonObject().get("input"), PciRequest.class);
}
}
public static class ResponseAdapter implements JsonSerializer<PciResponse>, JsonDeserializer<PciResponse> {
@Override
public JsonElement serialize(PciResponse src, Type typeOfSrc, JsonSerializationContext context) {
JsonElement responseJson = gsonPretty.toJsonTree(src, PciResponse.class);
JsonObject output = new JsonObject();
output.add("output", responseJson);
return output;
}
@Override
public PciResponse deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
return gsonPretty.fromJson(json.getAsJsonObject().get("output"), PciResponse.class);
}
}
public static class InstantAdapter implements JsonSerializer<Instant>, JsonDeserializer<Instant> {
@Override
public Instant deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
return Instant.parse(json.getAsString());
}
@Override
public JsonElement serialize(Instant src, Type typeOfSrc, JsonSerializationContext context) {
return new JsonPrimitive(src.toString());
}
}
public static class InstantJunitAdapter implements JsonSerializer<Instant>, JsonDeserializer<Instant> {
@Override
public Instant deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context) {
return Instant.ofEpochMilli(json.getAsLong());
}
@Override
public JsonElement serialize(Instant src, Type typeOfSrc, JsonSerializationContext context) {
return new JsonPrimitive(src.toEpochMilli());
}
}
}
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