com.streamsets.pipeline.api.ext.json.delegate.LocalDateTimeDelegate Maven / Gradle / Ivy
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/*
* Copyright 2021 StreamSets Inc.
*
* 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.
*/
package com.streamsets.pipeline.api.ext.json.delegate;
import com.streamsets.pipeline.api.ext.json.JsonDelegate;
import com.streamsets.pipeline.api.ext.json.JsonRule;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.Map;
/**
* JSON Delegate used to produce Human-readable strings from LocalDateTime objects.
*/
public class LocalDateTimeDelegate implements JsonDelegate {
private final JsonRule annotation;
public LocalDateTimeDelegate(JsonRule annotation) {
this.annotation = annotation;
}
@Override
public JsonRule annotation() {
return this.annotation;
}
@Override
public String serialize(LocalDateTime value, Map options) {
return String.valueOf(value.atZone(getZoneId(options)).toEpochSecond());
}
@Override
public LocalDateTime deserialize(String value, Map options) {
return value == null ?
null : LocalDateTime.ofInstant(Instant.ofEpochSecond(Long.parseLong(value)), getZoneId(options));
}
private final ZoneId getZoneId(Map options) {
Object zoneId = findOption(options, Parameters.ZONE_ID);
return zoneId == null ? ZoneId.systemDefault() : (ZoneId) zoneId;
}
public interface Parameters {
String ZONE_ID = "zoneId";
}
}