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public void upload() throws ServletException,IOException,SmartUploadException
    {
        int i = 0;
        //boolean flag = false;
        boolean flag1 = false;
        //boolean flag2 = false;
        long l = 0L;
        //String s = "";//new String();
        //String s2 = "";//new String();
        String s4 = ""; //new String();
        String s5 = ""; //new String();
        String s6 = ""; //new String();
        String s7 = ""; //new String();
        String s8 = ""; //new String();
        String s9 = ""; //new String();
        String s10 = ""; //new String();
        m_totalBytes = m_request.getContentLength();
        m_binArray = new byte[m_totalBytes];
        int j;
        for(;i < m_totalBytes;i += j)
        {
            try
            {
                m_request.getInputStream();
                j = m_request.getInputStream().read(m_binArray,i,m_totalBytes - i);
            }
            catch(Exception exception)
            {
                throw new SmartUploadException("Unable to upload.");
            }
        }

        for(;!flag1 && m_currentIndex < m_totalBytes;m_currentIndex++)
        {
            if(m_binArray[m_currentIndex] == 13)
            {
                flag1 = true;
            }
            else
            {
                m_boundary = m_boundary + (char)m_binArray[m_currentIndex];

            }
        }
        if(m_currentIndex == 1)
        {
            return;
        }
        for(m_currentIndex++;m_currentIndex < m_totalBytes;m_currentIndex = m_currentIndex + 2)
        {
            String s1 = getDataHeader();
            m_currentIndex = m_currentIndex + 2;
            boolean flag3 = s1.indexOf("filename") > 0;
            String s3 = getDataFieldValue(s1,"name");
            if(flag3)
            {
                s6 = getDataFieldValue(s1,"filename");
                s4 = getFileName(s6);
                s5 = getFileExt(s4);
                s7 = getContentType(s1);
                s8 = getContentDisp(s1);
                s9 = getTypeMIME(s7);
                s10 = getSubTypeMIME(s7);
            }
            getDataSection();
            if(flag3 && s4.length() > 0)
            {
                if(m_deniedFilesList.contains(s5))
                {
                    throw new SecurityException("The extension of the file is denied to be uploaded (1015).");
                }
                if(!m_allowedFilesList.isEmpty() && !m_allowedFilesList.contains(s5))
                {
                    throw new SecurityException("The extension of the file is not allowed to be uploaded (1010).");
                }
                if(m_maxFileSize > 0L && (long)((m_endData - m_startData) + 1) > m_maxFileSize)
                {
                    throw new SecurityException("Size exceeded for this file : " + s4 + " (1105).");
                }
                l += (m_endData - m_startData) + 1;
                if(m_totalMaxFileSize > 0L && l > m_totalMaxFileSize)
                {
                    throw new SecurityException("Total File Size exceeded (1110).");
                }
            }
            if(flag3)
            {
                SmartFile file = new SmartFile();
                file.setParent(this);
                file.setFieldName(s3);
                file.setFileName(s4);
                file.setFileExt(s5);
                file.setFilePathName(s6);
                file.setIsMissing(s6.length() == 0);
                file.setContentType(s7);
                file.setContentDisp(s8);
                file.setTypeMIME(s9);
                file.setSubTypeMIME(s10);
                if(s7.indexOf("application/x-macbinary") > 0)
                {
                    m_startData = m_startData + 128;
                }
                file.setSize((m_endData - m_startData) + 1);
                file.setStartData(m_startData);
                file.setEndData(m_endData);
                m_files.addFile(file);
            }
            else
            {
                String s11 = new String(m_binArray,m_startData,(m_endData - m_startData) + 1);
                m_formRequest.putParameter(s3,s11);
            }
            if((char)m_binArray[m_currentIndex + 1] == '-')
            {
                break;
            }
        }
    }