From 9d41dbd9585794bacff736d7b353ee3f17bc5a2b Mon Sep 17 00:00:00 2001 From: Dave Borowitz Date: Tue, 14 Feb 2012 14:54:45 -0800 Subject: [PATCH] Add an AdvertiseRefsHookChain, similar to the other hook chains Change-Id: I3bb0dc86047fe0446d18e0055f714092a658d228 --- .../transport/AdvertiseRefsHookChain.java | 98 +++++++++++++++++++ 1 file changed, 98 insertions(+) create mode 100644 org.eclipse.jgit/src/org/eclipse/jgit/transport/AdvertiseRefsHookChain.java diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/AdvertiseRefsHookChain.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/AdvertiseRefsHookChain.java new file mode 100644 index 000000000..ec1e62d23 --- /dev/null +++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/AdvertiseRefsHookChain.java @@ -0,0 +1,98 @@ +/* + * Copyright (C) 2012, 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.List; + +/** + * {@link AdvertiseRefsHook} that delegates to a list of other hooks. + *

+ * 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 UploadPack#getAdvertisedRefs()}, or + * {@link ReceivePack#getAdvertisedRefs()} or + * {@link 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 hooks) { + AdvertiseRefsHook[] newHooks = new AdvertiseRefsHook[hooks.size()]; + int i = 0; + for (AdvertiseRefsHook hook : hooks) + if (hook != AdvertiseRefsHook.DEFAULT) + newHooks[i++] = hook; + if (i == 0) + return AdvertiseRefsHook.DEFAULT; + else if (i == 1) + return newHooks[0]; + else + return new AdvertiseRefsHookChain(newHooks, i); + } + + public void advertiseRefs(ReceivePack rp) + throws ServiceMayNotContinueException { + for (int i = 0; i < count; i++) + hooks[i].advertiseRefs(rp); + } + + 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; + } +}