Examples with MRfQ org.compiere.model.MRfQ used on opensource projects

Example 11 with MRfQ

use of org.compiere.model.MRfQ in project adempiere by adempiere.

the class RfQServlet method streamAttachment.

//  doGet
/**
	 * 	Stream Attachment
	 * 	@param request request
	 * 	@param response response
	 * 	@return "" or error message
	 */
private String streamAttachment(HttpServletRequest request, HttpServletResponse response) {
    //	Get Note ID
    int C_RfQ_ID = WebUtil.getParameterAsInt(request, "C_RfQ_ID");
    if (C_RfQ_ID == 0) {
        log.fine("streamAttachment - no ID)");
        return "No RfQ ID";
    }
    //	Get Note
    Properties ctx = JSPEnv.getCtx(request);
    MRfQ doc = new MRfQ(ctx, C_RfQ_ID, null);
    if (doc.getC_RfQ_ID() != C_RfQ_ID) {
        log.fine("streamAttachment - RfQ not found - ID=" + C_RfQ_ID);
        return "RfQ not found";
    }
    if (!doc.isPdfAttachment())
        return "No PDF Attachment found";
    byte[] data = doc.getPdfAttachment();
    if (data == null)
        return "No PDF Attachment";
    //	Send PDF
    try {
        //	2k Buffer
        int bufferSize = 2048;
        int fileLength = data.length;
        //
        response.setContentType("application/pdf");
        response.setBufferSize(bufferSize);
        response.setContentLength(fileLength);
        //
        log.fine("streamAttachment - length=" + fileLength);
        //	timer start
        long time = System.currentTimeMillis();
        //
        ServletOutputStream out = response.getOutputStream();
        out.write(data);
        out.flush();
        out.close();
        //
        time = System.currentTimeMillis() - time;
        double speed = (fileLength / 1024) / ((double) time / 1000);
        log.fine("streamInvoice - length=" + fileLength + " - " + time + " ms - " + speed + " kB/sec");
    } catch (IOException ex) {
        log.log(Level.SEVERE, "streamAttachment - " + ex);
        return "Streaming error";
    }
    return null;
}