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- /*
- * Copyright 2009, Mahmood Ali.
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are
- * met:
- *
- * * Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * * Redistributions in binary form must reproduce the above
- * copyright notice, this list of conditions and the following disclaimer
- * in the documentation and/or other materials provided with the
- * distribution.
- * * Neither the name of Mahmood Ali. nor the names of its
- * contributors may be used to endorse or promote products derived from
- * this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
- * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
- * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
- * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
- * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
- * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- package com.notnoop.apns.internal;
- import java.util.Date;
- import java.util.Map;
- import java.util.concurrent.atomic.AtomicBoolean;
- import java.util.concurrent.BlockingQueue;
- import java.util.concurrent.Executors;
- import java.util.concurrent.LinkedBlockingQueue;
- import java.util.concurrent.ThreadFactory;
- import org.slf4j.Logger;
- import org.slf4j.LoggerFactory;
- import com.notnoop.apns.ApnsNotification;
- import com.notnoop.apns.ApnsService;
- import com.notnoop.exceptions.NetworkIOException;
- public class QueuedApnsService extends AbstractApnsService {
- private static final Logger logger = LoggerFactory.getLogger(QueuedApnsService.class);
-
- private ApnsService service;
- private BlockingQueue<ApnsNotification> queue;
- private AtomicBoolean started = new AtomicBoolean(false);
- public QueuedApnsService(ApnsService service) {
- this(service, null);
- }
- public QueuedApnsService(ApnsService service, final ThreadFactory tf) {
- super(null);
- this.service = service;
- this.queue = new LinkedBlockingQueue<ApnsNotification>();
- this.threadFactory = tf == null ? Executors.defaultThreadFactory() : tf;
- this.thread = null;
- }
- @Override
- public void push(ApnsNotification msg) {
- if (!started.get()) {
- throw new IllegalStateException("service hasn't be started or was closed");
- }
- queue.add(msg);
- }
- private final ThreadFactory threadFactory;
- private Thread thread;
- private volatile boolean shouldContinue;
- public void start() {
- if (started.getAndSet(true)) {
- // I prefer if we throw a runtime IllegalStateException here,
- // but I want to maintain semantic backward compatibility.
- // So it is returning immediately here
- return;
- }
- service.start();
- shouldContinue = true;
- thread = threadFactory.newThread(new Runnable() {
- public void run() {
- while (shouldContinue) {
- try {
- ApnsNotification msg = queue.take();
- service.push(msg);
- } catch (InterruptedException e) {
- // ignore
- } catch (NetworkIOException e) {
- // ignore: failed connect...
- } catch (Exception e) {
- // weird if we reached here - something wrong is happening, but we shouldn't stop the service anyway!
- logger.warn("Unexpected message caught... Shouldn't be here", e);
- }
- }
- }
- });
- thread.start();
- }
- public void stop() {
- started.set(false);
- shouldContinue = false;
- thread.interrupt();
- service.stop();
- }
- @Override
- public Map<String, Date> getInactiveDevices() throws NetworkIOException {
- return service.getInactiveDevices();
- }
- public void testConnection() throws NetworkIOException {
- service.testConnection();
- }
- }
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