de.steilerdev.myVerein.server.apns.PushService.java Source code

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Here is the source code for de.steilerdev.myVerein.server.apns.PushService.java

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/**
 * Copyright (C) 2015 Frank Steiler <frank@steilerdev.de>
 * <p/>
 * This program is free software: you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation, either version 2 of the License, or (at your option) any later
 * version.
 * <p/>
 * 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 General Public License for more
 * details.
 * <p/>
 * You should have received a copy of the GNU General Public License along with this program.  If not, see
 * <http://www.gnu.org/licenses/>.
 */
package de.steilerdev.myVerein.server.apns;

import com.relayrides.pushy.apns.ApnsEnvironment;
import com.relayrides.pushy.apns.PushManager;
import com.relayrides.pushy.apns.PushManagerConfiguration;
import com.relayrides.pushy.apns.util.SSLContextUtil;
import com.relayrides.pushy.apns.util.SimpleApnsPushNotification;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.ClassPathResource;
import org.springframework.core.io.Resource;
import org.springframework.core.io.support.PropertiesLoaderUtils;

import java.io.IOException;
import java.io.InputStream;
import java.util.Properties;

public class PushService {
    private static Logger logger = LoggerFactory.getLogger(PushService.class);

    private static PushManager<SimpleApnsPushNotification> pushManager;
    private final static String apnsSettingsFile = "apns/apns.properties";
    private final static String fileKey = "file";
    private final static String passwordKey = "password";

    /**
     * This function creates a new APNS instance. If the function returns null, APNS is not supported.
     * @return The current APNS instance. If null APNS is not supported by this server.
     */
    public static PushManager<SimpleApnsPushNotification> getInstanced() {
        if (pushManager == null) {
            logger.debug("Creating new APNS instance");
            try {
                Resource settingsResource = new ClassPathResource(apnsSettingsFile);
                Properties settings = PropertiesLoaderUtils.loadProperties(settingsResource);

                InputStream certFile = Thread.currentThread().getContextClassLoader()
                        .getResourceAsStream(settings.getProperty(fileKey));

                pushManager = new PushManager<>(ApnsEnvironment.getSandboxEnvironment(),
                        SSLContextUtil.createDefaultSSLContext(certFile, settings.getProperty(passwordKey)), null, // Optional: custom event loop group
                        null, // Optional: custom ExecutorService for calling listeners
                        null, // Optional: custom BlockingQueue implementation
                        new PushManagerConfiguration(), "ExamplePushManager");

                logger.debug("Created new APNS instance, starting");
                //pushManager.start();
            } catch (IOException e) {
                logger.warn("Unable to load APNS settings file: {}", e.getMessage());
                return null;
            } catch (Exception e) {
                logger.warn("An unknown error occurred: {}", e.getMessage());
            }
        }
        logger.info("Returning APNS instance");
        return pushManager;
    }

    public void sendNotification() {

    }
}