jgit/org.eclipse.jgit/src/org/eclipse/jgit/transport/resolver/UploadPackFactory.java

/*
 * Copyright (C) 2009-2010, Google Inc.
 * 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
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package org.eclipse.jgit.transport.resolver;

import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.transport.UploadPack;

/**
 * Create and configure {@link UploadPack} service instance.
 *
 * @param <C>
 *            the connection type
 */
public interface UploadPackFactory<C> {
	/** A factory disabling the UploadPack service for all repositories. */
	public static final UploadPackFactory<?> DISABLED = new UploadPackFactory<Object>() {
		public UploadPack create(Object req, Repository db)
				throws ServiceNotEnabledException {
			throw new ServiceNotEnabledException();
		}
	};

	/**
	 * Create and configure a new UploadPack instance for a repository.
	 *
	 * @param req
	 *            current request, in case information from the request may help
	 *            configure the UploadPack instance.
	 * @param db
	 *            the repository the upload would read from.
	 * @return the newly configured UploadPack instance, must not be null.
	 * @throws ServiceNotEnabledException
	 *             this factory refuses to create the instance because it is not
	 *             allowed on the target repository, by any user.
	 * @throws ServiceNotAuthorizedException
	 *             this factory refuses to create the instance for this HTTP
	 *             request and repository, such as due to a permission error.
	 */
	UploadPack create(C req, Repository db) throws ServiceNotEnabledException,
			ServiceNotAuthorizedException;
}