Package org.apache.mina.common

Examples of org.apache.mina.common.WriteRequest


        byte[] chunk1 = new byte[] { 1, 2, 3, 4 };
        byte[] chunk2 = new byte[] { 5, 6, 7, 8 };
        byte[] chunk3 = new byte[] { 9, 10 };

        InputStream stream = new ByteArrayInputStream(data);
        WriteRequest writeRequest = new DefaultWriteRequest(stream,
                new DummyWriteFuture());

        WriteRequest chunk1Request = new DefaultWriteRequest(IoBuffer
                .wrap(chunk1));
        WriteRequest chunk2Request = new DefaultWriteRequest(IoBuffer
                .wrap(chunk2));
        WriteRequest chunk3Request = new DefaultWriteRequest(IoBuffer
                .wrap(chunk3));

        /*
         * Record expectations
         */
 
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        /*
         * Replay.  (We recorded *nothing* because nothing should occur.)
         */
        mockNextFilter.replay();

        WriteRequest wr = new DefaultWriteRequest(new Object(),
                new DummyWriteFuture());
        filter.filterWrite(nextFilter, session, wr);
        assertEquals(1, queue.size());
        assertSame(wr, queue.poll());

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    }

    public void testWritesWriteRequestQueueWhenFinished() throws Exception {
        StreamWriteFilter filter = new StreamWriteFilter();

        WriteRequest wrs[] = new WriteRequest[] {
                new DefaultWriteRequest(new Object(), new DummyWriteFuture()),
                new DefaultWriteRequest(new Object(), new DummyWriteFuture()),
                new DefaultWriteRequest(new Object(), new DummyWriteFuture()) };
        Queue<WriteRequest> queue = new LinkedList<WriteRequest>();
        queue.add(wrs[0]);
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                return;
            }
            if (session.isConnected()) {
                if (session.getLock().tryLock()) {
                    try {
                        WriteRequest req;
                        while ((req = queue.poll(session)) != null) {
                            Object message = req.getMessage();
                            Object messageCopy = message;
                            if (message instanceof IoBuffer) {
                                IoBuffer rb = (IoBuffer) message;
                                rb.mark();
                                IoBuffer wb = IoBuffer.allocate(rb.remaining());
                                wb.put(rb);
                                wb.flip();
                                rb.reset();
                                messageCopy = wb;
                            }

                            session.getRemoteSession().getFilterChain().fireMessageReceived(
                                    messageCopy);
                            session.getFilterChain().fireMessageSent(req);
                        }
                    } finally {
                        session.getLock().unlock();
                    }

                    flushPendingDataQueues(session);
                }
            } else {
                List<WriteRequest> failedRequests = new ArrayList<WriteRequest>();
                WriteRequest req;
                while ((req = queue.poll(session)) != null) {
                    failedRequests.add(req);
                }
               
                if (!failedRequests.isEmpty()) {
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            IoBuffer buffer = getNextBuffer(inputStream);

            if (buffer == null) {
                // End of stream reached.
                session.removeAttribute(CURRENT_STREAM);
                WriteRequest currentWriteRequest = (WriteRequest) session
                        .removeAttribute(CURRENT_WRITE_REQUEST);

                // Write queued WriteRequests.
                Queue<WriteRequest> queue = removeWriteRequestQueue(session);
                if (queue != null) {
                    WriteRequest wr = queue.poll();
                    while (wr != null) {
                        filterWrite(nextFilter, session, wr);
                        wr = queue.poll();
                    }
                }
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                session.getLock().lock();
                try {
                    if (queue.isEmpty(session)) {
                        return;
                    }
                    WriteRequest req;
                    long currentTime = System.currentTimeMillis();
                    while ((req = queue.poll(session)) != null) {
                        Object m = req.getMessage();
                        session.getRemoteSession().getFilterChain().fireMessageReceived(
                                getMessageCopy(m));
                        if (m instanceof IoBuffer) {
                            session.increaseWrittenBytes0(
                                    ((IoBuffer) m).remaining(), currentTime);
                        }
                        session.getFilterChain().fireMessageSent(req);
                    }
                } finally {
                    session.getLock().unlock();
                }

                flushPendingDataQueues(session);
            } else {
                List<WriteRequest> failedRequests = new ArrayList<WriteRequest>();
                WriteRequest req;
                while ((req = queue.poll(session)) != null) {
                    failedRequests.add(req);
                }
               
                if (!failedRequests.isEmpty()) {
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                return;
            }
            if (session.isConnected()) {
                if (session.getLock().tryLock()) {
                    try {
                        WriteRequest req;
                        while ((req = queue.poll(session)) != null) {
                            Object message = req.getMessage();
                            Object messageCopy = message;
                            if (message instanceof IoBuffer) {
                                IoBuffer rb = (IoBuffer) message;
                                rb.mark();
                                IoBuffer wb = IoBuffer.allocate(rb.remaining());
                                wb.put(rb);
                                wb.flip();
                                rb.reset();
                                messageCopy = wb;
                            }

                            session.getRemoteSession().getFilterChain().fireMessageReceived(
                                    messageCopy);
                            session.getFilterChain().fireMessageSent(req);
                        }
                    } finally {
                        session.getLock().unlock();
                    }

                    flushPendingDataQueues(session);
                }
            } else {
                List<WriteRequest> failedRequests = new ArrayList<WriteRequest>();
                WriteRequest req;
                while ((req = queue.poll(session)) != null) {
                    failedRequests.add(req);
                }
               
                if (!failedRequests.isEmpty()) {
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