fr.wseduc.smsproxy.Sms.java Source code

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Here is the source code for fr.wseduc.smsproxy.Sms.java

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/*
 * Copyright  WebServices pour l'ducation, 2014
 *
 * 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 fr.wseduc.smsproxy;

import java.util.ServiceLoader;

import io.vertx.core.Handler;
import io.vertx.core.eventbus.Message;
import io.vertx.core.json.JsonObject;

import fr.wseduc.smsproxy.providers.SmsProvider;
import org.vertx.java.busmods.BusModBase;

public class Sms extends BusModBase implements Handler<Message<JsonObject>> {

    private ServiceLoader<SmsProvider> implementations;
    private JsonObject providersList = new JsonObject();

    /**
     * Verticle start method.
     */
    @Override
    public void start() {
        super.start();
        vertx.eventBus().consumer(config.getString("address", "entcore.sms"), this);
        implementations = ServiceLoader.load(SmsProvider.class);
        providersList = config.getJsonObject("providers");

        if (providersList == null) {
            logger.error("providers.list.empty");
            return;
        }

        for (String field : providersList.fieldNames()) {
            for (SmsProvider provider : implementations) {
                if (provider.getClass().getSimpleName().equals(field + "SmsProvider")) {
                    provider.initProvider(vertx, providersList.getJsonObject(field));
                    logger.info("[Sms] " + provider.getClass().getName() + " registered.");
                }
            }
        }
    }

    //Return the instantiated provider given a provider name prefix
    private SmsProvider getService(String serviceName) {
        for (SmsProvider provider : implementations) {
            if (provider.getClass().getSimpleName().equals(serviceName + "SmsProvider"))
                return provider;
        }
        return null;
    }

    @Override
    public void handle(Message<JsonObject> message) {
        String action = message.body().getString("action", "");
        String providerName = message.body().getString("provider", "");

        SmsProvider provider = getService(providerName);
        if (provider == null) {
            sendError(message, "invalid.provider");
            return;
        }

        switch (action) {
        case ("send-sms"):
            provider.sendSms(message);
            break;
        case ("get-info"):
            provider.getInfo(message);
            break;
        case ("ping"):
            sendOK(message);
        default:
            sendError(message, "invalid.action");
        }
    }

}