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