com.opsmatters.newrelic.httpclient.deserializers.alerts.conditions.ExternalServiceAlertConditionsDeserializer Maven / Gradle / Ivy
/*
* Copyright 2018 Gerald Curley
*
* 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.opsmatters.newrelic.httpclient.deserializers.alerts.conditions;
import java.util.Collection;
import java.util.List;
import java.util.ArrayList;
import java.lang.reflect.Type;
import com.google.gson.*;
import com.opsmatters.newrelic.api.model.alerts.conditions.ExternalServiceAlertCondition;
import com.opsmatters.newrelic.api.model.alerts.conditions.ApmExternalServiceAlertCondition;
import com.opsmatters.newrelic.api.model.alerts.conditions.MobileExternalServiceAlertCondition;
/**
* Deserializer class for external service alert conditions.
*
* @author Gerald Curley (opsmatters)
*/
public class ExternalServiceAlertConditionsDeserializer implements JsonDeserializer>
{
private static Gson gson = new Gson();
/**
* Gson invokes this call-back method during deserialization when it encounters a field of the specified type.
* @param element The Json data being deserialized
* @param type The type of the Object to deserialize to
* @param context The JSON deserialization context
* @return The alert conditions
*/
@Override
public Collection deserialize(JsonElement element, Type type, JsonDeserializationContext context)
throws JsonParseException
{
JsonObject obj = element.getAsJsonObject();
JsonArray conditions = obj.getAsJsonArray("external_service_conditions");
List values = new ArrayList();
if(conditions != null && conditions.isJsonArray())
{
for(JsonElement condition : conditions)
{
if(condition.isJsonObject())
{
JsonElement conditionType = condition.getAsJsonObject().get("type");
if(conditionType != null)
{
switch(ExternalServiceAlertCondition.ConditionType.fromValue(conditionType.getAsString()))
{
case APM:
values.add(gson.fromJson(condition, ApmExternalServiceAlertCondition.class));
case MOBILE:
values.add(gson.fromJson(condition, MobileExternalServiceAlertCondition.class));
}
}
}
}
}
return values;
}
}