Reading file from the server file path and Downloading through struts2 web application

Reading file from the server file path and Downloading through struts2 web application

Fix for Unable to download - IE8

        HttpServletResponse  httpResponse = ServletActionContext.getResponse();
        response.setContentType("application/octet-stream");
        response.setHeader("Cache-control","public");
        response.setHeader("Content-Disposition","inline; filename="+document_name);
        ServletOutputStream serveltOutputStream = null;
        File file = null;
        FileInputStream fis = null;
        try {
          
            serveltOutputStream = httpResponse.getOutputStream();
            file = new File("server_file_path" + document_name);
            fis = new FileInputStream(file);
            byte[] byteBuff = new byte[1024];
            int read = 0;
            while((read = fis.read(byteBuff ))!= -1){
                serveltOutputStream.write(byteBuff ,0, read);
            }
            serveltOutputStream.flush();  
          
        } catch (Exception exception) {
            e.printStackTrace();
        } finally {
            try {
                serveltOutputStream.close();
                log.info("finally Ends....");
            } catch (Exception exception1) {
            }
          
        }