public static String getContentType(Resource resource, ExternalContext externalContext) {
String contentType = resource.getContentType();
// the resource does not provide a content-type --> determine it via
// mime-type
if (contentType == null || contentType.length() == 0) {
String resourceName = getWrappedResourceName(resource);
if (resourceName != null) {
contentType = externalContext.getMimeType(resourceName);
}
}
return contentType;
}
public void download(String namePublicationSelected) {
Publication publicationSelected =
this.managePublicationsService.retrieveByName(namePublicationSelected);
String filepath = publicationSelected.getFilepath();
File file = new File(filepath);
FileInputStream input = null;
try {
input = new FileInputStream(file);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
ExternalContext externalContext = FacesContext.getCurrentInstance().getExternalContext();
setFileDownload(
new DefaultStreamedContent(
input, externalContext.getMimeType(file.getName()), file.getName()));
}
public void download(String fileName) {
for (ServerInfo info : servers) {
try (Socket server = info.getSocket();
OutputStream os = server.getOutputStream();
PrintWriter pw = new PrintWriter(os);
InputStream is = server.getInputStream()) {
/*Protocol*/
os.write(Protocol.DOWNLOAD);
pw.println(fileName);
pw.flush();
/*Check if file exists, 1 if present, 0 if otherwise*/
int reply = is.read();
if (reply == 1) {
/*Response header*/
FacesContext fc = FacesContext.getCurrentInstance();
ExternalContext ec = fc.getExternalContext();
ec.responseReset();
ec.setResponseContentType(ec.getMimeType(fileName));
ec.setResponseHeader("Content-Disposition", "attachment; filename=\"" + fileName + "\"");
/*Write bytes*/
transferBytes(is, ec.getResponseOutputStream());
fc.responseComplete();
System.out.println(
"File " + fileName + " was successfully downloaded with size " + file.getSize());
break;
}
} catch (ConnectException e) {
// Socket is closed
System.out.println(e + " download at " + info);
} catch (IOException ex) {
Logger.getLogger(ClientController.class.getName()).log(Level.SEVERE, null, ex);
}
}
}