| /* |
| * Copyright (C) 2009, Constantine Plotnikov <constantine.plotnikov@gmail.com> |
| * Copyright (C) 2008, Google Inc. |
| * Copyright (C) 2008, Marek Zawirski <marek.zawirski@gmail.com> |
| * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org> |
| * 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 |
| * conditions are met: |
| * |
| * - Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * - Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials provided |
| * with the distribution. |
| * |
| * - Neither the name of the Eclipse Foundation, Inc. nor the |
| * names of its contributors may be used to endorse or promote |
| * products derived from this software without specific prior |
| * written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
| * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
| * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
| * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
| * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
| * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| package org.eclipse.jgit.transport; |
| |
| import java.io.IOException; |
| import java.io.InputStream; |
| |
| import org.eclipse.jgit.errors.NotSupportedException; |
| import org.eclipse.jgit.errors.TransportException; |
| import org.eclipse.jgit.internal.JGitText; |
| import org.eclipse.jgit.lib.Repository; |
| |
| /** |
| * Single shot fetch from a streamed Git bundle. |
| * <p> |
| * The bundle is read from an unbuffered input stream, which limits the |
| * transport to opening at most one FetchConnection before needing to recreate |
| * the transport instance. |
| */ |
| public class TransportBundleStream extends Transport implements TransportBundle { |
| private InputStream src; |
| |
| /** |
| * Create a new transport to fetch objects from a streamed bundle. |
| * <p> |
| * The stream can be unbuffered (buffering is automatically provided |
| * internally to smooth out short reads) and unpositionable (the stream is |
| * read from only once, sequentially). |
| * <p> |
| * When the FetchConnection or the this instance is closed the supplied |
| * input stream is also automatically closed. This frees callers from |
| * needing to keep track of the supplied stream. |
| * |
| * @param db |
| * repository the fetched objects will be loaded into. |
| * @param uri |
| * symbolic name of the source of the stream. The URI can |
| * reference a non-existent resource. It is used only for |
| * exception reporting. |
| * @param in |
| * the stream to read the bundle from. |
| */ |
| public TransportBundleStream(final Repository db, final URIish uri, |
| final InputStream in) { |
| super(db, uri); |
| src = in; |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public FetchConnection openFetch() throws TransportException { |
| if (src == null) |
| throw new TransportException(uri, JGitText.get().onlyOneFetchSupported); |
| try { |
| return new BundleFetchConnection(this, src); |
| } finally { |
| src = null; |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public PushConnection openPush() throws NotSupportedException { |
| throw new NotSupportedException( |
| JGitText.get().pushIsNotSupportedForBundleTransport); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void close() { |
| if (src != null) { |
| try { |
| src.close(); |
| } catch (IOException err) { |
| // Ignore a close error. |
| } finally { |
| src = null; |
| } |
| } |
| } |
| } |