Example usage for javax.security.auth.callback NameCallback getClass

Introduction

In this page you can find the example usage for javax.security.auth.callback NameCallback getClass.

Prototype

@HotSpotIntrinsicCandidate
public final native Class<?> getClass();

Source Link

Document

Returns the runtime class of this Object .

Usage

From source file:edu.vt.middleware.ldap.jaas.AbstractLoginModule.java

/**
 * This attempts to retrieve credentials for the supplied name and password
 * callbacks. If useFirstPass or tryFirstPass is set, then name and password
 * data is retrieved from shared state. Otherwise a callback handler is used
 * to get the data. Set useCallback to force a callback handler to be used.
 *
 * @param  nameCb  to set name for//from  w  w  w .j  a va  2s .c  om
 * @param  passCb  to set password for
 * @param  useCallback  whether to force a callback handler
 *
 * @throws  LoginException  if the callback handler fails
 */
protected void getCredentials(final NameCallback nameCb, final PasswordCallback passCb,
        final boolean useCallback) throws LoginException {
    if (this.logger.isTraceEnabled()) {
        this.logger.trace("Begin getCredentials");
        this.logger.trace("  useFistPass = " + this.useFirstPass);
        this.logger.trace("  tryFistPass = " + this.tryFirstPass);
        this.logger.trace("  useCallback = " + useCallback);
        this.logger.trace("  callbackhandler class = " + this.callbackHandler.getClass().getName());
        this.logger.trace("  name callback class = " + nameCb.getClass().getName());
        this.logger.trace("  password callback class = " + passCb.getClass().getName());
    }
    try {
        if ((this.useFirstPass || this.tryFirstPass) && !useCallback) {
            nameCb.setName((String) this.sharedState.get(LOGIN_NAME));
            passCb.setPassword((char[]) this.sharedState.get(LOGIN_PASSWORD));
        } else if (this.callbackHandler != null) {
            this.callbackHandler.handle(new Callback[] { nameCb, passCb });
        } else {
            throw new LoginException("No CallbackHandler available. "
                    + "Set useFirstPass, tryFirstPass, or provide a CallbackHandler");
        }
    } catch (IOException e) {
        if (this.logger.isErrorEnabled()) {
            this.logger.error("Error reading data from callback handler", e);
        }
        this.loginSuccess = false;
        throw new LoginException(e.getMessage());
    } catch (UnsupportedCallbackException e) {
        if (this.logger.isErrorEnabled()) {
            this.logger.error("Unsupported callback", e);
        }
        this.loginSuccess = false;
        throw new LoginException(e.getMessage());
    }
}

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