Examples of javax.servlet.ReadListener.onDataAvailable()

javax.servlet.ReadListener.onDataAvailable()
When an instance of the ReadListener is registered with a {@link ServletInputStream}, this method will be invoked by the container the first time when it is possible to read data. Subsequently the container will invoke this method if and only if {@link javax.servlet.ServletInputStream#isReady()} methodhas been called and has returned false.

                        // dispatch with status OPEN_READ will be used to get
                        // execution back on a container thread for the
                        // onAllDataRead() event. Therefore, make sure
                        // onDataAvailable() is not called in this case.
                        if (!request.isFinished()) {
                            readListener.onDataAvailable();
                        }
                        if (request.isFinished() && req.sendAllDataReadEvent()) {
                            readListener.onAllDataRead();
                        }
                    } catch (Throwable t) {

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                            Thread.currentThread().getContextClassLoader();
                    ClassLoader newCL =
                            request.getContext().getLoader().getClassLoader();
                    try {
                        Thread.currentThread().setContextClassLoader(newCL);
                        readListener.onDataAvailable();
                        if (request.isFinished() && req.sendAllDataReadEvent()) {
                            readListener.onAllDataRead();
                        }
                    } catch (Throwable t) {
                        ExceptionUtils.handleThrowable(t);

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                        // dispatch with status OPEN_READ will be used to get
                        // execution back on a container thread for the
                        // onAllDataRead() event. Therefore, make sure
                        // onDataAvailable() is not called in this case.
                        if (!request.isFinished()) {
                            readListener.onDataAvailable();
                        }
                        if (request.isFinished() && req.sendAllDataReadEvent()) {
                            readListener.onAllDataRead();
                        }
                    } catch (Throwable t) {

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                    success = true;
                } else if (readListener != null && status == SocketStatus.OPEN_READ) {
                    ClassLoader oldCL = null;
                    try {
                        oldCL = request.getContext().bind(false, null);
                        readListener.onDataAvailable();
                        if (request.isFinished() && req.sendAllDataReadEvent()) {
                            readListener.onAllDataRead();
                        }
                    } catch (Throwable t) {
                        ExceptionUtils.handleThrowable(t);

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                        // dispatch with status OPEN_READ will be used to get
                        // execution back on a container thread for the
                        // onAllDataRead() event. Therefore, make sure
                        // onDataAvailable() is not called in this case.
                        if (!request.isFinished()) {
                            readListener.onDataAvailable();
                        }
                        if (request.isFinished() && req.sendAllDataReadEvent()) {
                            readListener.onAllDataRead();
                        }
                    } catch (Throwable t) {

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        try
        {
            if (error != null)
                listener.onError(error);
            else if (available)
                listener.onDataAvailable();
            else if (eof)
                listener.onAllDataRead();
            else
                unready();
        }

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                        // dispatch with status OPEN_READ will be used to get
                        // execution back on a container thread for the
                        // onAllDataRead() event. Therefore, make sure
                        // onDataAvailable() is not called in this case.
                        if (!request.isFinished()) {
                            readListener.onDataAvailable();
                        }
                        if (request.isFinished() && req.sendAllDataReadEvent()) {
                            readListener.onAllDataRead();
                        }
                    } catch (Throwable t) {

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        try
        {
            if (error != null)
                listener.onError(error);
            else if (available)
                listener.onDataAvailable();
            else if (eof)
                listener.onAllDataRead();
            else
                unready();
        }

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                        // dispatch with status OPEN_READ will be used to get
                        // execution back on a container thread for the
                        // onAllDataRead() event. Therefore, make sure
                        // onDataAvailable() is not called in this case.
                        if (!request.isFinished()) {
                            readListener.onDataAvailable();
                        }
                        if (request.isFinished() && req.sendAllDataReadEvent()) {
                            readListener.onAllDataRead();
                        }
                    } catch (Throwable t) {

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