net.spy.memcached.auth.PlainCallbackHandler Maven / Gradle / Ivy
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package net.spy.memcached.auth;
import java.io.IOException;
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.TextOutputCallback;
import javax.security.auth.callback.UnsupportedCallbackException;
/**
* Callback handler for doing plain auth.
*/
public class PlainCallbackHandler implements CallbackHandler {
private final String username;
private final char[] password;
/**
* Construct a plain callback handler with the given username and password.
*
* @param u the username
* @param p the password
*/
public PlainCallbackHandler(String u, String p) {
username = u;
password = p.toCharArray();
}
public void handle(Callback[] callbacks) throws IOException,
UnsupportedCallbackException {
for (Callback cb : callbacks) {
if (cb instanceof TextOutputCallback) {
// Not implementing this one yet...
} else if (cb instanceof NameCallback) {
NameCallback nc = (NameCallback) cb;
nc.setName(username);
} else if (cb instanceof PasswordCallback) {
PasswordCallback pc = (PasswordCallback) cb;
pc.setPassword(password);
} else {
throw new UnsupportedCallbackException(cb);
}
}
}
}