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/*-
* ============LICENSE_START=======================================================
* appc
* ================================================================================
* Copyright (C) 2017 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.appc.util;
import java.lang.reflect.Type;
import java.time.Instant;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
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.JsonParseException;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
public final class Serialization {
public static DateTimeFormatter format = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSSSSSxxx");
public static class gsonUTCAdapter implements JsonSerializer<ZonedDateTime>, JsonDeserializer<ZonedDateTime> {
public ZonedDateTime deserialize(JsonElement element, Type type, JsonDeserializationContext context)
throws JsonParseException {
try {
return ZonedDateTime.parse(element.getAsString(), format);
} catch (Exception e) {
System.err.println(e);
}
return null;
}
public JsonElement serialize(ZonedDateTime datetime, Type type, JsonSerializationContext context) {
return new JsonPrimitive(datetime.format(format));
}
}
public static class gsonInstantAdapter implements JsonSerializer<Instant>, JsonDeserializer<Instant> {
@Override
public Instant deserialize(JsonElement json, Type typeOfT, JsonDeserializationContext context)
throws JsonParseException {
return Instant.ofEpochMilli(json.getAsLong());
}
@Override
public JsonElement serialize(Instant src, Type typeOfSrc, JsonSerializationContext context) {
return new JsonPrimitive(src.toEpochMilli());
}
}
public static final Gson gsonPretty = new GsonBuilder()
.disableHtmlEscaping()
.setPrettyPrinting()
.registerTypeAdapter(ZonedDateTime.class, new gsonUTCAdapter())
.registerTypeAdapter(Instant.class, new gsonInstantAdapter())
// .registerTypeAdapter(CommonHeader1607.class, new gsonCommonHeaderInstance())
// .registerTypeAdapter(ResponseStatus1607.class, new gsonResponseStatus())
.create();
}
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