org.mobicents.servlet.restcomm.http.NotificationsEndpoint.java Source code

Introduction

Here is the source code for org.mobicents.servlet.restcomm.http.NotificationsEndpoint.java

Source

/*
 * TeleStax, Open Source Cloud Communications
 * Copyright 2011-2014, Telestax Inc and individual contributors
 * by the @authors tag.
 *
 * This program is free software: you can redistribute it and/or modify
 * under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation; either version 3 of
 * the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>
 *
 */
package org.mobicents.servlet.restcomm.http;

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.thoughtworks.xstream.XStream;

import java.util.List;

import static javax.ws.rs.core.MediaType.*;

import javax.annotation.PostConstruct;
import javax.servlet.ServletContext;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;

import static javax.ws.rs.core.Response.*;
import static javax.ws.rs.core.Response.Status.*;

import org.apache.commons.configuration.Configuration;
import org.apache.shiro.authz.AuthorizationException;
import org.mobicents.servlet.restcomm.annotations.concurrency.NotThreadSafe;
import org.mobicents.servlet.restcomm.dao.AccountsDao;
import org.mobicents.servlet.restcomm.dao.DaoManager;
import org.mobicents.servlet.restcomm.dao.NotificationsDao;
import org.mobicents.servlet.restcomm.entities.Notification;
import org.mobicents.servlet.restcomm.entities.NotificationList;
import org.mobicents.servlet.restcomm.entities.RestCommResponse;
import org.mobicents.servlet.restcomm.entities.Sid;
import org.mobicents.servlet.restcomm.http.converter.NotificationConverter;
import org.mobicents.servlet.restcomm.http.converter.NotificationListConverter;
import org.mobicents.servlet.restcomm.http.converter.RestCommResponseConverter;

/**
 * @author quintana.thomas@gmail.com (Thomas Quintana)
 */
@NotThreadSafe
public abstract class NotificationsEndpoint extends AbstractEndpoint {
    @Context
    protected ServletContext context;
    protected Configuration configuration;
    protected NotificationsDao dao;
    protected Gson gson;
    protected XStream xstream;
    protected AccountsDao accountsDao;

    public NotificationsEndpoint() {
        super();
    }

    @PostConstruct
    public void init() {
        final DaoManager storage = (DaoManager) context.getAttribute(DaoManager.class.getName());
        configuration = (Configuration) context.getAttribute(Configuration.class.getName());
        configuration = configuration.subset("runtime-settings");
        super.init(configuration);
        dao = storage.getNotificationsDao();
        accountsDao = storage.getAccountsDao();
        final NotificationConverter converter = new NotificationConverter(configuration);
        final GsonBuilder builder = new GsonBuilder();
        builder.registerTypeAdapter(Notification.class, converter);
        builder.setPrettyPrinting();
        gson = builder.create();
        xstream = new XStream();
        xstream.alias("RestcommResponse", RestCommResponse.class);
        xstream.registerConverter(converter);
        xstream.registerConverter(new NotificationListConverter(configuration));
        xstream.registerConverter(new RestCommResponseConverter(configuration));
    }

    protected Response getNotification(final String accountSid, final String sid, final MediaType responseType) {
        try {
            secure(accountsDao.getAccount(accountSid), "RestComm:Read:Notifications");
        } catch (final AuthorizationException exception) {
            return status(UNAUTHORIZED).build();
        }
        final Notification notification = dao.getNotification(new Sid(sid));
        if (notification == null) {
            return status(NOT_FOUND).build();
        } else {
            try {
                secureLevelControl(accountsDao, accountSid, String.valueOf(notification.getAccountSid()));
            } catch (final AuthorizationException exception) {
                return status(UNAUTHORIZED).build();
            }
            if (APPLICATION_JSON_TYPE == responseType) {
                return ok(gson.toJson(notification), APPLICATION_JSON).build();
            } else if (APPLICATION_XML_TYPE == responseType) {
                final RestCommResponse response = new RestCommResponse(notification);
                return ok(xstream.toXML(response), APPLICATION_XML).build();
            } else {
                return null;
            }
        }
    }

    protected Response getNotifications(final String accountSid, final MediaType responseType) {
        try {
            secure(accountsDao.getAccount(accountSid), "RestComm:Read:Notifications");
            secureLevelControl(accountsDao, accountSid, null);
        } catch (final AuthorizationException exception) {
            return status(UNAUTHORIZED).build();
        }
        final List<Notification> notifications = dao.getNotifications(new Sid(accountSid));
        if (APPLICATION_JSON_TYPE == responseType) {
            return ok(gson.toJson(notifications), APPLICATION_JSON).build();
        } else if (APPLICATION_XML_TYPE == responseType) {
            final RestCommResponse response = new RestCommResponse(new NotificationList(notifications));
            return ok(xstream.toXML(response), APPLICATION_XML).build();
        } else {
            return null;
        }
    }
}