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authorDave Borowitz2011-12-08 11:21:01 (EST)
committer Dave Borowitz2011-12-09 12:05:40 (EST)
commit629c61513c96920efe44da9d5fe2a7669bf943bb (patch)
treee31c934b0594fcf0c2897d9d1032aa018753e4f3
parentd6172dc0de2cbaeb0bd38a9d30278dd5f9b140b3 (diff)
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Add simple chain implementations of transport hooks and loggersrefs/changes/69/4769/3
Allows callers to effectively run multiple hooks and loggers without modifying the UploadPack/ReceivePack interface. Change-Id: I5b388816b63036ffff08ef3a9b857ccb764cb8c4
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/PostReceiveHookChain.java90
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/PreReceiveHookChain.java89
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/PreUploadHookChain.java115
-rw-r--r--org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPackLoggerChain.java90
4 files changed, 384 insertions, 0 deletions
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PostReceiveHookChain.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PostReceiveHookChain.java
new file mode 100644
index 0000000..da86525
--- /dev/null
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PostReceiveHookChain.java
@@ -0,0 +1,90 @@
+/*
+ * 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;
+
+/**
+ * {@link PostReceiveHook} that delegates to a list of other hooks.
+ * <p>
+ * Hooks are run in the order passed to the constructor.
+ */
+public class PostReceiveHookChain implements PostReceiveHook {
+ private final PostReceiveHook[] 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 PostReceiveHook newChain(
+ List<? extends PostReceiveHook> hooks) {
+ PostReceiveHook[] newHooks = new PostReceiveHook[hooks.size()];
+ int i = 0;
+ for (PostReceiveHook hook : hooks)
+ if (hook != PostReceiveHook.NULL)
+ newHooks[i++] = hook;
+ if (i == 0)
+ return PostReceiveHook.NULL;
+ else if (i == 1)
+ return newHooks[0];
+ else
+ return new PostReceiveHookChain(newHooks, i);
+ }
+
+ public void onPostReceive(ReceivePack rp,
+ Collection<ReceiveCommand> commands) {
+ for (int i = 0; i < count; i++)
+ hooks[i].onPostReceive(rp, commands);
+ }
+
+ private PostReceiveHookChain(PostReceiveHook[] hooks, int count) {
+ this.hooks = hooks;
+ this.count = count;
+ }
+}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PreReceiveHookChain.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PreReceiveHookChain.java
new file mode 100644
index 0000000..bd4441f
--- /dev/null
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PreReceiveHookChain.java
@@ -0,0 +1,89 @@
+/*
+ * 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;
+
+/**
+ * {@link PreReceiveHook} that delegates to a list of other hooks.
+ * <p>
+ * Hooks are run in the order passed to the constructor.
+ */
+public class PreReceiveHookChain implements PreReceiveHook {
+ private final PreReceiveHook[] 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 PreReceiveHook newChain(List<? extends PreReceiveHook> hooks) {
+ PreReceiveHook[] newHooks = new PreReceiveHook[hooks.size()];
+ int i = 0;
+ for (PreReceiveHook hook : hooks)
+ if (hook != PreReceiveHook.NULL)
+ newHooks[i++] = hook;
+ if (i == 0)
+ return PreReceiveHook.NULL;
+ else if (i == 1)
+ return newHooks[0];
+ else
+ return new PreReceiveHookChain(newHooks, i);
+ }
+
+ public void onPreReceive(ReceivePack rp,
+ Collection<ReceiveCommand> commands) {
+ for (int i = 0; i < count; i++)
+ hooks[i].onPreReceive(rp, commands);
+ }
+
+ private PreReceiveHookChain(PreReceiveHook[] hooks, int count) {
+ this.hooks = hooks;
+ this.count = count;
+ }
+}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/PreUploadHookChain.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PreUploadHookChain.java
new file mode 100644
index 0000000..93f8eef
--- /dev/null
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/PreUploadHookChain.java
@@ -0,0 +1,115 @@
+/*
+ * 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 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);
+ }
+
+ public void onPreAdvertiseRefs(UploadPack up)
+ throws UploadPackMayNotContinueException {
+ for (int i = 0; i < count; i++)
+ hooks[i].onPreAdvertiseRefs(up);
+ }
+
+ public void onBeginNegotiateRound(UploadPack up,
+ Collection<? extends ObjectId> wants, int cntOffered)
+ throws UploadPackMayNotContinueException {
+ for (int i = 0; i < count; i++)
+ hooks[i].onBeginNegotiateRound(up, wants, cntOffered);
+ }
+
+ public void onEndNegotiateRound(UploadPack up,
+ Collection<? extends ObjectId> wants, int cntCommon,
+ int cntNotFound, boolean ready)
+ throws UploadPackMayNotContinueException {
+ for (int i = 0; i < count; i++)
+ hooks[i].onEndNegotiateRound(up, wants, cntCommon, cntNotFound, ready);
+ }
+
+ public void onSendPack(UploadPack up,
+ Collection<? extends ObjectId> wants,
+ Collection<? extends ObjectId> haves)
+ throws UploadPackMayNotContinueException {
+ 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;
+ }
+}
diff --git a/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPackLoggerChain.java b/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPackLoggerChain.java
new file mode 100644
index 0000000..a6a2dad
--- /dev/null
+++ b/org.eclipse.jgit/src/org/eclipse/jgit/transport/UploadPackLoggerChain.java
@@ -0,0 +1,90 @@
+/*
+ * 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.List;
+
+import org.eclipse.jgit.storage.pack.PackWriter;
+
+/**
+ * {@link UploadPackLogger} that delegates to a list of other loggers.
+ * <p>
+ * loggers are run in the order passed to the constructor.
+ */
+public class UploadPackLoggerChain implements UploadPackLogger {
+ private final UploadPackLogger[] loggers;
+ private final int count;
+
+ /**
+ * Create a new logger chaining the given loggers together.
+ *
+ * @param loggers
+ * loggers to execute, in order.
+ * @return a new logger chain of the given loggers.
+ */
+ public static UploadPackLogger newChain(
+ List<? extends UploadPackLogger> loggers) {
+ UploadPackLogger[] newLoggers = new UploadPackLogger[loggers.size()];
+ int i = 0;
+ for (UploadPackLogger logger : loggers)
+ if (logger != UploadPackLogger.NULL)
+ newLoggers[i++] = logger;
+ if (i == 0)
+ return UploadPackLogger.NULL;
+ else if (i == 1)
+ return newLoggers[0];
+ else
+ return new UploadPackLoggerChain(newLoggers, i);
+ }
+
+ public void onPackStatistics(PackWriter.Statistics stats) {
+ for (int i = 0; i < count; i++)
+ loggers[i].onPackStatistics(stats);
+ }
+
+ private UploadPackLoggerChain(UploadPackLogger[] loggers, int count) {
+ this.loggers = loggers;
+ this.count = count;
+ }
+}