[jboss-user] [JBoss Seam] - Re: Usage for downloading uploaded file

[carloszaniolo]

Hi,

try this:

<s:link value="Donwload #{textm.name}" rendered="#{! empty textm.text}" action="#{textmcontroller.download}"  />

	public void download() {
  | 		if (textm.getText() != null) {
  | 			byte[] file = loadFile();
  | 			String name = getName();
  | 			String type = getContentType();
  | 			MyUtil.download(file, name, type);
  | 		}
  | 	}


       public static void download(byte[] file, String name, String type) {
  |     	   FacesContext facesContext =  (FacesContext) Component.getInstance("facesContext");
  | 	       if (!facesContext.getResponseComplete()) {
  | 	    	   HttpServletResponse response = (HttpServletResponse) facesContext.getExternalContext().getResponse();
  | 	    	   response.setContentType(type);
  | 	    	   response.setContentLength(file.length);
  | 	    	   response.setHeader("Content-disposition","attachment; filename=" + name);
  | 	    	   ServletOutputStream out;
  | 	    	   try {
  | 	    		   out = response.getOutputStream();
  | 	    		   out.write(file);
  | 	    		   out.flush();
  | 	    	   } catch (IOException e) {
  | 	    		//TODO: something  
  | 	    	   }
  | 	    	   facesContext.responseComplete();
  | 	       }
  |        }

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