JavaMail 1.6.2 Source Code Files

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 * Copyright (c) 1997-2017 Oracle and/or its affiliates. All rights reserved.
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * or LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at LICENSE.txt.
 * GPL Classpath Exception:
 * Oracle designates this particular file as subject to the "Classpath"
 * exception as provided by Oracle in the GPL Version 2 section of the License
 * file that accompanied this code.
 * Modifications:
 * If applicable, add the following below the License Header, with the fields
 * enclosed by brackets [] replaced by your own identifying information:
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 * If you wish your version of this file to be governed by only the CDDL or
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 * only if the new code is made subject to such option by the copyright
 * holder.

package javax.mail;


 * The class Authenticator represents an object that knows how to obtain
 * authentication for a network connection.  Usually, it will do this
 * by prompting the user for information.
 * <p>
 * Applications use this class by creating a subclass, and registering
 * an instance of that subclass with the session when it is created.
 * When authentication is required, the system will invoke a method
 * on the subclass (like getPasswordAuthentication).  The subclass's
 * method can query about the authentication being requested with a
 * number of inherited methods (getRequestingXXX()), and form an
 * appropriate message for the user.
 * <p>
 * All methods that request authentication have a default implementation
 * that fails.
 * @see
 * @see javax.mail.Session#getInstance(java.util.Properties,
 *					javax.mail.Authenticator)
 * @see javax.mail.Session#getDefaultInstance(java.util.Properties,
 *					javax.mail.Authenticator)
 * @see javax.mail.Session#requestPasswordAuthentication
 * @see javax.mail.PasswordAuthentication
 * @author  Bill Foote
 * @author  Bill Shannon

// There are no abstract methods, but to be useful the user must
// subclass.
public abstract class Authenticator {

    private InetAddress requestingSite;
    private int requestingPort;
    private String requestingProtocol;
    private String requestingPrompt;
    private String requestingUserName;

     * Ask the authenticator for a password.
     * <p>
     * @param addr The InetAddress of the site requesting authorization,
     *             or null if not known.
     * @param port the port for the requested connection
     * @param protocol The protocol that's requesting the connection
     *          (@see
     * @param prompt A prompt string for the user
     * @return The username/password, or null if one can't be gotten.
    final synchronized PasswordAuthentication requestPasswordAuthentication(
				InetAddress addr, int port, String protocol,
				String prompt, String defaultUserName) {
	requestingSite = addr;
	requestingPort = port;
	requestingProtocol = protocol;
	requestingPrompt = prompt;
	requestingUserName = defaultUserName;
	return getPasswordAuthentication();

     * @return the InetAddress of the site requesting authorization, or null
     *		if it's not available.
    protected final InetAddress getRequestingSite() {
	return requestingSite;

     * @return the port for the requested connection
    protected final int getRequestingPort() {
	return requestingPort;

     * Give the protocol that's requesting the connection.  Often this
     * will be based on a URLName.
     * @return the protcol
     * @see javax.mail.URLName#getProtocol
    protected final String getRequestingProtocol() {
	return requestingProtocol;

     * @return the prompt string given by the requestor
    protected final String getRequestingPrompt() {
	return requestingPrompt;

     * @return the default user name given by the requestor
    protected final String getDefaultUserName() {
	return requestingUserName;

     * Called when password authentication is needed.  Subclasses should
     * override the default implementation, which returns null. <p>
     * Note that if this method uses a dialog to prompt the user for this
     * information, the dialog needs to block until the user supplies the
     * information.  This method can not simply return after showing the
     * dialog.
     * @return The PasswordAuthentication collected from the
     *		user, or null if none is provided.
    protected PasswordAuthentication getPasswordAuthentication() {
	return null;



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File name: javax.mail-1.6.2-sources.jar
File size: 851487 bytes
Release date: 2018-08-29


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