package org.jboss.security.auth.callback;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.NameCallback;
import javax.security.auth.callback.PasswordCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
public class UsernamePasswordHandler implements CallbackHandler
{
private transient String username;
private transient char[] password;
private transient Object credential;
public UsernamePasswordHandler(String username, char[] password)
{
this.username = username;
this.password = password;
this.credential = password;
}
public UsernamePasswordHandler(String username, Object credential)
{
this.username = username;
this.credential = credential;
}
public void handle(Callback[] callbacks) throws
UnsupportedCallbackException
{
for (int i = 0; i < callbacks.length; i++)
{
Callback c = callbacks[i];
if (c instanceof NameCallback)
{
NameCallback nc = (NameCallback) c;
nc.setName(username);
}
else if (c instanceof PasswordCallback)
{
PasswordCallback pc = (PasswordCallback) c;
if( password == null )
{
if( credential != null )
{
String tmp = credential.toString();
password = tmp.toCharArray();
}
}
pc.setPassword(password);
}
else if (c instanceof ObjectCallback)
{
ObjectCallback oc = (ObjectCallback) c;
oc.setCredential(credential);
}
else
{
throw new UnsupportedCallbackException(callbacks[i], "Unrecognized Callback");
}
}
}
}