Examples of java.io.PushbackInputStream.available()

java.io.PushbackInputStream.available()
Returns an estimate of the number of bytes that can be read (or skipped over) from this input stream without blocking by the next invocation of a method for this input stream. The next invocation might be the same thread or another thread. A single read or skip of this many bytes will not block, but may read or skip fewer bytes.
The method returns the sum of the number of bytes that have been pushed back and the value returned by {@link java.io.FilterInputStream#available available}. @return the number of bytes that can be read (or skipped over) fromthe input stream without blocking. @exception IOException if this input stream has been closed byinvoking its {@link #close()} method,or an I/O error occurs. @see java.io.FilterInputStream#in @see java.io.InputStream#available()

    @Override
    boolean process() throws IOException {
        byte[] buf;
        int readBytes;
        PushbackInputStream in = channel.getInputStream();
        int bytesToRead = in.available();
        if (bytesToRead > 0) {
            buf = new byte[bytesToRead];
            readBytes = in.read(buf);
        } else {
            int b = in.read();

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            byte[] boundary = ("--" + cType.getParameter("boundary")).getBytes();
            InputStream is = new BufferedInputStream(ds.getInputStream());
            PushbackInputStream pushbackInStream = new PushbackInputStream(is,
                    (boundary.length + 2));
            readTillFirstBoundary(pushbackInStream, boundary);
            while (pushbackInStream.available()>0){
                MimeBodyPartInputStream partStream;
                partStream = new MimeBodyPartInputStream(pushbackInStream,
                        boundary);
                addBodyPart(new MimeBodyPart(partStream));

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            }


            byte[] buf;
            int readBytes;
            try {
                int bytesToRead = in.available();
                if (bytesToRead > 0) {
                    buf = new byte[bytesToRead];
                    readBytes = in.read(buf);
                } else {
                    int b = in.read();

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            }


            byte[] buf;
            int readBytes;
            try {
                int bytesToRead = in.available();
                if (bytesToRead > 0) {
                    buf = new byte[bytesToRead];
                    readBytes = in.read(buf);
                } else {
                    int b = in.read();

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            }


            byte[] buf;
            int readBytes;
            try {
                int bytesToRead = in.available();
                if (bytesToRead > 0) {
                    buf = new byte[bytesToRead];
                    readBytes = in.read(buf);
                } else {
                    int b = in.read();

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     */
    private int bodyStartOctet(InputStream msgIn) throws IOException{
        // we need to pushback maximal 3 bytes
        PushbackInputStream in = new PushbackInputStream(msgIn,3);
        
        int bodyStartOctet = in.available();
        int i = -1;
        int count = 0;
        while ((i = in.read()) != -1 && in.available() > 4) {
            if (i == 0x0D) {
                int a = in.read();

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        PushbackInputStream in = new PushbackInputStream(msgIn,3);
        
        int bodyStartOctet = in.available();
        int i = -1;
        int count = 0;
        while ((i = in.read()) != -1 && in.available() > 4) {
            if (i == 0x0D) {
                int a = in.read();
                if (a == 0x0A) {
                    int b = in.read();

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     * @throws IOException
     */
    private int bodyStartOctet(InputStream msgIn) throws IOException {
        // we need to pushback maximal 3 bytes
        PushbackInputStream in = new PushbackInputStream(msgIn, 3);
        int bodyStartOctet = in.available();
        int i = -1;
        int count = 0;
        while ((i = in.read()) != -1 && in.available() > 4) {
            if (i == 0x0D) {
                int a = in.read();

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        // we need to pushback maximal 3 bytes
        PushbackInputStream in = new PushbackInputStream(msgIn, 3);
        int bodyStartOctet = in.available();
        int i = -1;
        int count = 0;
        while ((i = in.read()) != -1 && in.available() > 4) {
            if (i == 0x0D) {
                int a = in.read();
                if (a == 0x0A) {
                    int b = in.read();

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            }


            byte[] buf;
            int readBytes;
            try {
                int bytesToRead = in.available();
                if (bytesToRead > 0) {
                    buf = new byte[bytesToRead];
                    readBytes = in.read(buf);
                } else {
                    int b = in.read();

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