Examples of org.eclipse.jetty.client.util.DeferredContentProvider

org.eclipse.jetty.client.util.DeferredContentProvider
try-with-resources to autoclose DeferredContentProvider try (DeferredContentProvider content = new DeferredContentProvider()) { httpClient.newRequest("localhost", 8080) .content(content) .send(new Response.CompleteListener() { @Override public void onComplete(Result result) { // Your logic here } }); // At a later time... content.offer(ByteBuffer.wrap("some content".getBytes())); }

                response.setHeader("Connection", "close");
                response.getOutputStream().write(data);
            }
        });


        DeferredContentProvider content = new DeferredContentProvider(ByteBuffer.wrap(new byte[]{0}));
        Request request = client.newRequest("localhost", connector.getLocalPort())
                .scheme(scheme)
                .content(content);
        FutureResponseListener listener = new FutureResponseListener(request);
        request.send(listener);
        // Wait some time to simulate a slow request.
        Thread.sleep(1000);
        content.close();


        ContentResponse response = listener.get(5, TimeUnit.SECONDS);


        Assert.assertEquals(200, response.getStatus());
        Assert.assertArrayEquals(data, response.getContent());

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    @Override
    protected ContentProvider proxyRequestContent(Request proxyRequest, HttpServletRequest request) throws IOException
    {
        ServletInputStream input = request.getInputStream();
        DeferredContentProvider provider = new DeferredContentProvider();
        input.setReadListener(newReadListener(proxyRequest, request, provider));
        return provider;
    }

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                    response.setHeader("Connection", "close");
                response.getOutputStream().write(data);
            }
        });


        DeferredContentProvider content = new DeferredContentProvider(ByteBuffer.wrap(new byte[]{0}));
        Request request = client.newRequest("localhost", connector.getLocalPort())
                .scheme(scheme)
                .version(version)
                .content(content);
        FutureResponseListener listener = new FutureResponseListener(request);
        request.send(listener);
        // Wait some time to simulate a slow request.
        Thread.sleep(1000);
        content.close();


        ContentResponse response = listener.get(5, TimeUnit.SECONDS);


        Assert.assertEquals(200, response.getStatus());
        Assert.assertArrayEquals(data, response.getContent());

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                .method(HttpMethod.fromString(method));
        addNonSpdyHeadersToRequest(version, headers, request);


        if (!clientSynInfo.isClose())
        {
            request.content(new DeferredContentProvider());
        }


        sendRequest(clientStream, request);


        return new StreamFrameListener.Adapter()
        {
            @Override
            public void onReply(Stream stream, ReplyInfo replyInfo)
            {
                // We proxy to HTTP so we do not receive replies
                throw new UnsupportedOperationException("Not Yet Implemented");
            }


            @Override
            public void onHeaders(Stream stream, HeadersInfo headersInfo)
            {
                throw new UnsupportedOperationException("Not Yet Implemented");
            }


            @Override
            public void onData(Stream clientStream, final DataInfo clientDataInfo)
            {
                if (LOG.isDebugEnabled())
                    LOG.debug("received clientDataInfo: {} for stream: {}", clientDataInfo, clientStream);


                DeferredContentProvider contentProvider = (DeferredContentProvider)request.getContent();
                contentProvider.offer(clientDataInfo.asByteBuffer(true));


                if (clientDataInfo.isClose())
                    contentProvider.close();
            }
        };
    }

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        HttpClient client = new HttpClient();
        client.start();


        final AtomicBoolean sendContent = new AtomicBoolean(true);
        DeferredContentProvider async = new DeferredContentProvider(ByteBuffer.wrap(new byte[]{0, 1, 2}));
        client.newRequest("localhost", 8080)
                .content(async)
                .send(new Response.Listener.Adapter()
                {
                    @Override
                    public void onBegin(Response response)
                    {
                        if (response.getStatus() == 404)
                            sendContent.set(false);
                    }
                });


        Thread.sleep(100);


        if (sendContent.get())
            async.offer(ByteBuffer.wrap(new byte[]{0}));


        Thread.sleep(100);


        if (sendContent.get())
            async.offer(ByteBuffer.wrap(new byte[]{0}));


        Thread.sleep(100);


        async.close();
    }

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            proxyServlet = new AsyncProxyServlet()
            {
                @Override
                protected ContentProvider proxyRequestContent(Request proxyRequest, HttpServletRequest request) throws IOException
                {
                    return new DeferredContentProvider()
                    {
                        @Override
                        public boolean offer(ByteBuffer buffer, Callback callback)
                        {
                            // Ignore all content to trigger the test condition.

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                IO.copy(request.getInputStream(), new ByteArrayOutputStream());
            }
        });


        final CountDownLatch latch = new CountDownLatch(1);
        try (DeferredContentProvider content = new DeferredContentProvider())
        {
            client.newRequest("localhost", connector.getLocalPort())
                    .scheme(scheme)
                    .content(content)
                    .send(new Response.CompleteListener()
                    {
                        @Override
                        public void onComplete(Result result)
                        {
                            if (result.isSucceeded() && result.getResponse().getStatus() == 200)
                                latch.countDown();
                        }
                    });


            // Make sure we provide the content *after* the request has been "sent".
            Thread.sleep(1000);


            try (ByteArrayInputStream input = new ByteArrayInputStream(new byte[1024]))
            {
                byte[] buffer = new byte[200];
                int read;
                while ((read = input.read(buffer)) >= 0)
                    content.offer(ByteBuffer.wrap(buffer, 0, read));
            }
        }
        Assert.assertTrue(latch.await(5, TimeUnit.SECONDS));
    }

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            }
        });


        final CountDownLatch latch = new CountDownLatch(1);
        final AtomicInteger succeeds = new AtomicInteger();
        try (DeferredContentProvider content = new DeferredContentProvider())
        {
            // Make the content immediately available.
            content.offer(ByteBuffer.allocate(1024), new Callback.Adapter()
            {
                @Override
                public void succeeded()
                {
                    succeeds.incrementAndGet();

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            }
        });


        final CountDownLatch latch = new CountDownLatch(1);
        final byte[] data = new byte[512];
        final DeferredContentProvider content = new DeferredContentProvider()
        {
            @Override
            public void setListener(Listener listener)
            {
                super.setListener(listener);

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        });


        final CountDownLatch latch = new CountDownLatch(1);
        final byte[] data = new byte[512];
        final AtomicReference<DeferredContentProvider> contentRef = new AtomicReference<>();
        final DeferredContentProvider content = new DeferredContentProvider()
        {
            @Override
            public Iterator<ByteBuffer> iterator()
            {
                return new Iterator<ByteBuffer>()

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