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Commit 847b3d1
enabled annotation-based NPE analysis to JGit.
In so doing, it introduced a new dependency on the org.eclipse.jdt that
is undesirable. Follow Gerrit's lead by adding an internal Nullable type
(see
https://gerrit.googlesource.com/gerrit/+/stable-2.11/gerrit-common/src/main/java/com/google/gerrit/common/Nullable.java).
The javax.annotations.Nullable class uses a retention policy of RUNTIME,
whereas the org.eclipse.jdt.annotation.Nullable class used a policy of
CLASS. Since I'm not aware of tools that make use of the annotation at
runtime I chose the CLASS policy. If in the future there is a benefit to
retaining the annotations in the running binary we can update this
class.
Change-Id: I63dc8f9a6dc46b517cbde211bb5e2f8521a54d04
Signed-off-by: Terry Parker <tparker@google.com>
stable-4.2
Terry Parker
9 years ago
1 changed files with 67 additions and 0 deletions
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/* |
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* Copyright (C) 2015, Google Inc. |
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* and other copyright owners as documented in the project's IP log. |
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* |
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* This program and the accompanying materials are made available |
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* under the terms of the Eclipse Distribution License v1.0 which |
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* accompanies this distribution, is reproduced below, and is |
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* available at http://www.eclipse.org/org/documents/edl-v10.php
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* |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* |
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* - Neither the name of the Eclipse Foundation, Inc. nor the |
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* names of its contributors may be used to endorse or promote |
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* products derived from this software without specific prior |
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* written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package org.eclipse.jgit.annotations; |
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import static java.lang.annotation.ElementType.FIELD; |
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import static java.lang.annotation.ElementType.LOCAL_VARIABLE; |
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import static java.lang.annotation.ElementType.METHOD; |
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import static java.lang.annotation.ElementType.PARAMETER; |
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import java.lang.annotation.Documented; |
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import java.lang.annotation.Retention; |
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import java.lang.annotation.RetentionPolicy; |
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import java.lang.annotation.Target; |
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/** |
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* JGit's replacement for the {@code javax.annotations.Nullable}. |
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* <p> |
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* Denotes that a local variable, parameter, field, method return value can be |
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* {@code null}. |
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*/ |
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@Documented |
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@Retention(RetentionPolicy.CLASS) |
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@Target({ FIELD, METHOD, PARAMETER, LOCAL_VARIABLE }) |
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public @interface Nullable { |
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// marker annotation with no members
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} |
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