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/*******************************************************************************
* Copyright (c) 2003, 2009 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.swt.browser;
import org.eclipse.swt.internal.SWTEventListener;
/**
* This listener interface may be implemented in order to receive
* an {@link AuthenticationEvent} notification when the {@link Browser}
* encounters a page that requires authentication.
*
* @see Browser#addAuthenticationListener(AuthenticationListener)
* @see Browser#removeAuthenticationListener(AuthenticationListener)
*
* @since 3.5
*/
public interface AuthenticationListener extends SWTEventListener {
/**
* This method is called when a page is navigated to that requires
* authentication.
* <p>
* Setting both the event's <code>user</code> and <code>password</code>
* fields causes these values to be used as credentials for authentication.
* Leaving one or both of these fields as <code>null</code> indicates
* that credentials are not known, so an authentication prompter should
* be shown to the user. Otherwise, setting the event's <code>doit</code>
* field to <code>false</code> cancels the authentication challenge, and
* the page will not be loaded.
* <p>
*
* <p>The following fields in the <code>AuthenticationEvent</code> apply:
* <ul>
* <li>(in) widget the <code>Browser</code> that is attempting to show the
* page that requires authentication
* <li>(in) location the location issuing the authentication challenge
* <li>(in/out) doit can be set to <code>false</code> to cancel the
* authentication challenge
* <li>(out) user the user name to authenticate with
* <li>(out) password the password to authenticate with
* </ul>
*
* @param event the <code>AuthenticationEvent</code> that can be used to
* either supply authentication credentials, defer credential input to
* an authentication prompter, or cancel an authentication challenge.
*/
public void authenticate(AuthenticationEvent event);
}
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