Download link encodedKeyStore - jsf-2

Question

I've been generated a PKCS12 keystore through a API, but the return of the process is a KeyStore object. I need to send it, directly to the browser to be downloaded when the client send the requisition.
How can I do that?
I'm using java and jboss 5AS.

Answer 1

You can use KeyStore#store() to write it out to an OutputStream.
keyStore.store(outputStream, password);
That's basically it. The OutputStream could be the one of the HTTP response. For a generic kickoff example of how to provide a file download in JSF wherein you need to integrate this line, head to this answer: How to provide a file download from a JSF backing bean? Use a content type of application/x-pkcs12.

Answer 2

Here is the code:
public void cadastrar () throws Exception
{
byte[] encodedKeyStore = controlador.cadastrar(certificadoModel);
java.security.KeyStore keyStore = java.security.KeyStore.getInstance("PKCS12");
keyStore.load(new ByteArrayInputStream(encodedKeyStore), certificadoModel.getPassword().toCharArray());
FacesContext fc = FacesContext.getCurrentInstance();
ExternalContext ec = fc.getExternalContext();
ec.responseReset();
ec.setResponseContentType("application/x-pkcs12");
//ec.setResponseContentLength(contentLength);
ec.setResponseHeader("Content-Disposition", "attachment; filename=\"" + certificadoModel.getUsername() + ".p12" + "\"");
OutputStream output = ec.getResponseOutputStream();
keyStore.store(output, certificadoModel.getPassword().toCharArray());
fc.responseComplete();
}