| /* |
| * Copyright (C) 2012, Google Inc. and others |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Distribution License v. 1.0 which is available at |
| * https://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: BSD-3-Clause |
| */ |
| |
| package org.eclipse.jgit.transport; |
| |
| import java.util.List; |
| |
| /** |
| * {@link org.eclipse.jgit.transport.AdvertiseRefsHook} that delegates to a list |
| * of other hooks. |
| * <p> |
| * Hooks are run in the order passed to the constructor. A hook may inspect or |
| * modify the results of the previous hooks in the chain by calling |
| * {@link org.eclipse.jgit.transport.UploadPack#getAdvertisedRefs()}, or |
| * {@link org.eclipse.jgit.transport.ReceivePack#getAdvertisedRefs()} or |
| * {@link org.eclipse.jgit.transport.ReceivePack#getAdvertisedObjects()}. |
| */ |
| public class AdvertiseRefsHookChain implements AdvertiseRefsHook { |
| private final AdvertiseRefsHook[] 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 AdvertiseRefsHook newChain(List<? extends AdvertiseRefsHook> hooks) { |
| AdvertiseRefsHook[] newHooks = new AdvertiseRefsHook[hooks.size()]; |
| int i = 0; |
| for (AdvertiseRefsHook hook : hooks) |
| if (hook != AdvertiseRefsHook.DEFAULT) |
| newHooks[i++] = hook; |
| switch (i) { |
| case 0: |
| return AdvertiseRefsHook.DEFAULT; |
| case 1: |
| return newHooks[0]; |
| default: |
| return new AdvertiseRefsHookChain(newHooks, i); |
| } |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void advertiseRefs(ReceivePack rp) |
| throws ServiceMayNotContinueException { |
| for (int i = 0; i < count; i++) |
| hooks[i].advertiseRefs(rp); |
| } |
| |
| /** {@inheritDoc} */ |
| @Override |
| public void advertiseRefs(UploadPack rp) |
| throws ServiceMayNotContinueException { |
| for (int i = 0; i < count; i++) |
| hooks[i].advertiseRefs(rp); |
| } |
| |
| private AdvertiseRefsHookChain(AdvertiseRefsHook[] hooks, int count) { |
| this.hooks = hooks; |
| this.count = count; |
| } |
| } |