Example usage for org.springframework.web.multipart MultipartHttpServletRequest setAttribute

Introduction

In this page you can find the example usage for org.springframework.web.multipart MultipartHttpServletRequest setAttribute.

Prototype

public void setAttribute(String name, Object o);

Source Link

Document

Stores an attribute in this request.

Usage

From source file:com.jaspersoft.jasperserver.war.MultipartRequestWrapperFilter.java

public void doFilter(ServletRequest request, ServletResponse response, FilterChain chain)
        throws IOException, ServletException {

    // unwrap multipart request
    try {//from   ww  w.  ja  va 2s .c om
        if (multipartResolver.isMultipart((HttpServletRequest) request) && request.getContentLength() > 0) {
            MultipartHttpServletRequest multipartHttpServletRequest = multipartResolver
                    .resolveMultipart((HttpServletRequest) request);
            request = new MultipartHttpServletRequestWrapper(multipartHttpServletRequest);

            // support for file resource and olap schema wizards
            {
                MultipartHttpServletRequest mreq = (MultipartHttpServletRequest) request;
                Iterator iterator = mreq.getFileNames();
                String fieldName = null;
                while (iterator.hasNext()) {
                    fieldName = (String) iterator.next();
                    // Assuming only 1 file is uploaded per page
                    // can be modified to handle multiple uploads per request
                }
                MultipartFile file = mreq.getFile(fieldName);
                if (file != null) {
                    String fullName = file.getOriginalFilename();
                    if (fullName != null && fullName.trim().length() != 0) {
                        int lastIndex = fullName.lastIndexOf(".");
                        if (lastIndex != -1) {
                            String fileName = fullName.substring(0, lastIndex);
                            String extension = fullName.substring(lastIndex + 1);
                            mreq.setAttribute(JasperServerConst.UPLOADED_FILE_NAME, fileName);
                            mreq.setAttribute(JasperServerConst.UPLOADED_FILE_EXT, extension);
                        } else {
                            mreq.setAttribute(JasperServerConst.UPLOADED_FILE_NAME, fullName);
                        }
                    }
                }
            }

        }
    } catch (MultipartException e) {
        log.error("Cannot resolve multipart data", e);
    }

    chain.doFilter(request, response);

}

---