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ScheduledServiceDeserializer.java
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/
ScheduledServiceDeserializer.java
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/*
* Copyright © 2015 The Gravitee team (http://gravitee.io)
*
* 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 io.gravitee.definition.jackson.datatype.services.core.deser;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonProcessingException;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonMappingException;
import com.fasterxml.jackson.databind.JsonNode;
import io.gravitee.definition.model.services.schedule.ScheduledService;
import java.io.IOException;
import java.util.Arrays;
import java.util.List;
import java.util.concurrent.TimeUnit;
/**
* @author David BRASSELY (david.brassely at graviteesource.com)
* @author GraviteeSource Team
*/
public abstract class ScheduledServiceDeserializer<T extends ScheduledService> extends ServiceDeserializer<T> {
public ScheduledServiceDeserializer(Class<T> vc) {
super(vc);
}
@Override
protected void deserialize(T service, JsonParser jsonParser, JsonNode node, DeserializationContext ctxt) throws IOException {
super.deserialize(service, jsonParser, node, ctxt);
final JsonNode scheduleNode = node.get("schedule");
String schedule;
if (scheduleNode != null) {
schedule = scheduleNode.asText();
} else {
Long rate = null;
TimeUnit unit = null;
if (node.has("trigger")) {
final JsonNode triggerNode = node.get("trigger");
final JsonNode rateNode = triggerNode.get("rate");
if (rateNode != null) {
rate = rateNode.asLong();
} else {
throw JsonMappingException.from(ctxt, "[scheduled-service] Rate is required");
}
final JsonNode unitNode = triggerNode.get("unit");
if (unitNode != null) {
unit = TimeUnit.valueOf(unitNode.asText().toUpperCase());
} else {
throw JsonMappingException.from(ctxt, "[scheduled-service] Unit is required");
}
} else if (node.has("interval")) {
// Ensure backward compatibility
final JsonNode intervalNode = node.get("interval");
if (intervalNode != null) {
rate = intervalNode.asLong();
final JsonNode unitNode = node.get("unit");
if (unitNode != null) {
unit = TimeUnit.valueOf(unitNode.asText().toUpperCase());
} else {
throw JsonMappingException.from(ctxt, "[scheduled-service] Unit is required");
}
}
}
schedule = convertToCron(rate, unit);
}
service.setSchedule(schedule);
}
public static String convertToCron(Long rate, TimeUnit unit) {
if (rate == null || unit == null) {
return null;
}
String schedule;
List<String> scheduleList = Arrays.asList("*", "*", "*", "*", "*", "*");
List<TimeUnit> timeUnits = Arrays.asList(TimeUnit.SECONDS, TimeUnit.MINUTES, TimeUnit.HOURS, TimeUnit.DAYS);
int index = timeUnits.indexOf(unit);
for (int i = 0; i < index; i++) {
scheduleList.set(i, "0");
}
scheduleList.set(index, "*/" + rate);
schedule = String.join(" ", scheduleList);
return schedule;
}
}