RepeatingFilePasswordProvider.java

/*
 * Copyright (C) 2018, Thomas Wolf <thomas.wolf@paranor.ch>
 * and other copyright owners as documented in the project's IP log.
 *
 * This program and the accompanying materials are made available
 * under the terms of the Eclipse Distribution License v1.0 which
 * accompanies this distribution, is reproduced below, and is
 * available at http://www.eclipse.org/org/documents/edl-v10.php
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the following
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 *
 * - Redistributions of source code must retain the above copyright
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 *
 * - Redistributions in binary form must reproduce the above
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 *   with the distribution.
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 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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package org.eclipse.jgit.internal.transport.sshd;

import org.apache.sshd.common.config.keys.FilePasswordProvider;

/**
 * A {@link FilePasswordProvider} augmented to support repeatedly asking for
 * passwords.
 *
 */
public interface RepeatingFilePasswordProvider extends FilePasswordProvider {

	/**
	 * Define the maximum number of attempts to get a password that should be
	 * attempted for one identity resource through this provider.
	 *
	 * @param numberOfPasswordPrompts
	 *            number of times to ask for a password;
	 *            {@link IllegalArgumentException} may be thrown if <= 0
	 */
	void setAttempts(int numberOfPasswordPrompts);

	/**
	 * Gets the maximum number of attempts to get a password that should be
	 * attempted for one identity resource through this provider.
	 *
	 * @return the maximum number of attempts to try, always >= 1.
	 */
	default int getAttempts() {
		return 1;
	}

}