update/org.eclipse.update.ui/src/org/eclipse/update/internal/ui/security/UpdateManagerAuthenticator.java

/*******************************************************************************
 * Copyright (c) 2000, 2003 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials 
 * are made available under the terms of the Common Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/cpl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.update.internal.ui.security;

import java.net.*;

/**
 * Update Manager Authenticator Sadly there can only be one registered per VM
 */
public class UpdateManagerAuthenticator extends Authenticator {
	private Authentication savedPasswordAuthentication;

	/*
	 * @see Authenticator#getPasswordAuthentication()
	 */
	protected PasswordAuthentication getPasswordAuthentication() {
		// String protocol = getRequestingProtocol();
		String host = getRequestingHost(); // can be null;
		InetAddress address = getRequestingSite(); // can be null;
		// int port = getRequestingPort();
		String prompt = getRequestingPrompt(); // realm or message, not documented that can be null
		// String scheme = getRequestingScheme(); // not documented that can be null

		String hostString = host;
		if (hostString == null && address != null) {
			address.getHostName();
		}
		if (hostString == null) {
			hostString = ""; //$NON-NLS-1$
		}
		String promptString = prompt;
		if (prompt == null) {
			promptString = ""; //$NON-NLS-1$
		}

		Authentication auth = UserValidationDialog.getAuthentication(
				hostString, promptString);
		if (auth != null)
			return new PasswordAuthentication(auth.getUser(), auth
					.getPassword().toCharArray());
		else
			return null;
	}
}