com.opsmatters.newrelic.httpclient.deserializers.alerts.conditions.ExternalServiceAlertConditionsDeserializer Maven / Gradle / Ivy

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Java client library for the New Relic REST APIs built using Jersey and Gson. The library includes over 110 operations across all of the available 35 New Relic services. It can be used by applications to automate the configuration of New Relic Monitoring, Alerting and Dashboards, but can also be used for extracting incident and metric data, executing Insights queries, and uploading plugin metrics.

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/*
 * 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;
    }
}