com.hazelcast.jet.sql.impl.expression.json.JsonCreationUtil Maven / Gradle / Ivy
/*
* Copyright 2021 Hazelcast Inc.
*
* Licensed under the Hazelcast Community License (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://hazelcast.com/hazelcast-community-license
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.jet.sql.impl.expression.json;
import com.hazelcast.com.google.gson.Gson;
import com.hazelcast.com.google.gson.GsonBuilder;
import com.hazelcast.com.google.gson.JsonPrimitive;
import com.hazelcast.core.HazelcastJsonValue;
import com.hazelcast.sql.impl.type.converter.Converter;
import com.hazelcast.sql.impl.type.converter.Converters;
public final class JsonCreationUtil {
private static final Gson SERIALIZER = new GsonBuilder()
.disableHtmlEscaping()
.serializeNulls()
.create();
private JsonCreationUtil() { }
public static String serializeValue(final Object value) {
if (value == null) {
return "null";
}
if (value instanceof HazelcastJsonValue) {
return value.toString();
}
final Converter converter = Converters.getConverter(value.getClass());
final Object result;
switch (converter.getTypeFamily()) {
case TIME:
case DATE:
case TIMESTAMP:
case TIMESTAMP_WITH_TIME_ZONE:
result = converter.asVarchar(value);
break;
default:
result = value;
}
return SERIALIZER.toJson(result);
}
public static String serializeString(String string) {
if (string == null) {
return "null";
}
return SERIALIZER.toJson(new JsonPrimitive(string));
}
}
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