| /* |
| * Copyright (C) 2011, 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 |
| * |
| * 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.util.Collection; |
| import java.util.List; |
| |
| import org.eclipse.jgit.lib.ObjectId; |
| |
| /** |
| * {@link org.eclipse.jgit.transport.PreUploadHook} that delegates to a list of |
| * other hooks. |
| * <p> |
| * Hooks are run in the order passed to the constructor. If running a method on |
| * one hook throws an exception, execution of remaining hook methods is aborted. |
| */ |
| public class PreUploadHookChain implements PreUploadHook { |
| private final PreUploadHook[] hooks; |
| private final int count; |
| |
| /** |
| * Create a new hook chaining the given hooks together. |
| * |
| * @param hooks |
| * hooks to execute, in order. |
| * @return a new hook chain of the given hooks. |
| */ |
| public static PreUploadHook newChain(List<? extends PreUploadHook> hooks) { |
| PreUploadHook[] newHooks = new PreUploadHook[hooks.size()]; |
| int i = 0; |
| for (PreUploadHook hook : hooks) |
| if (hook != PreUploadHook.NULL) |
| newHooks[i++] = hook; |
| if (i == 0) |
| return PreUploadHook.NULL; |
| else if (i == 1) |
| return newHooks[0]; |
| else |
| return new PreUploadHookChain(newHooks, i); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void onBeginNegotiateRound(UploadPack up, |
| Collection<? extends ObjectId> wants, int cntOffered) |
| throws ServiceMayNotContinueException { |
| for (int i = 0; i < count; i++) |
| hooks[i].onBeginNegotiateRound(up, wants, cntOffered); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void onEndNegotiateRound(UploadPack up, |
| Collection<? extends ObjectId> wants, int cntCommon, |
| int cntNotFound, boolean ready) |
| throws ServiceMayNotContinueException { |
| for (int i = 0; i < count; i++) |
| hooks[i].onEndNegotiateRound(up, wants, cntCommon, cntNotFound, ready); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void onSendPack(UploadPack up, |
| Collection<? extends ObjectId> wants, |
| Collection<? extends ObjectId> haves) |
| throws ServiceMayNotContinueException { |
| for (int i = 0; i < count; i++) |
| hooks[i].onSendPack(up, wants, haves); |
| } |
| |
| private PreUploadHookChain(PreUploadHook[] hooks, int count) { |
| this.hooks = hooks; |
| this.count = count; |
| } |
| } |