| /* |
| * Copyright (C) 2011, Chris Aniszczyk <caniszczyk@gmail.com> |
| * 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.api; |
| |
| import java.io.IOException; |
| |
| import org.eclipse.jgit.api.errors.GitAPIException; |
| import org.eclipse.jgit.api.errors.JGitInternalException; |
| import org.eclipse.jgit.lib.CommitBuilder; |
| import org.eclipse.jgit.lib.Constants; |
| import org.eclipse.jgit.lib.ObjectId; |
| import org.eclipse.jgit.lib.ObjectInserter; |
| import org.eclipse.jgit.lib.PersonIdent; |
| import org.eclipse.jgit.lib.Ref; |
| import org.eclipse.jgit.lib.RefUpdate; |
| import org.eclipse.jgit.lib.Repository; |
| import org.eclipse.jgit.notes.Note; |
| import org.eclipse.jgit.notes.NoteMap; |
| import org.eclipse.jgit.revwalk.RevCommit; |
| import org.eclipse.jgit.revwalk.RevObject; |
| import org.eclipse.jgit.revwalk.RevWalk; |
| |
| /** |
| * Remove object notes. |
| * |
| * @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-notes.html" |
| * >Git documentation about Notes</a> |
| */ |
| public class RemoveNoteCommand extends GitCommand<Note> { |
| |
| private RevObject id; |
| |
| private String notesRef = Constants.R_NOTES_COMMITS; |
| |
| /** |
| * @param repo |
| */ |
| protected RemoveNoteCommand(Repository repo) { |
| super(repo); |
| } |
| |
| public Note call() throws GitAPIException { |
| checkCallable(); |
| RevWalk walk = new RevWalk(repo); |
| ObjectInserter inserter = repo.newObjectInserter(); |
| NoteMap map = NoteMap.newEmptyMap(); |
| RevCommit notesCommit = null; |
| try { |
| Ref ref = repo.getRef(notesRef); |
| // if we have a notes ref, use it |
| if (ref != null) { |
| notesCommit = walk.parseCommit(ref.getObjectId()); |
| map = NoteMap.read(walk.getObjectReader(), notesCommit); |
| } |
| map.set(id, null, inserter); |
| commitNoteMap(walk, map, notesCommit, inserter, |
| "Notes removed by 'git notes remove'"); |
| return map.getNote(id); |
| } catch (IOException e) { |
| throw new JGitInternalException(e.getMessage(), e); |
| } finally { |
| inserter.release(); |
| walk.release(); |
| } |
| } |
| |
| /** |
| * Sets the object id of object you want to remove a note |
| * |
| * @param id |
| * @return {@code this} |
| */ |
| public RemoveNoteCommand setObjectId(RevObject id) { |
| checkCallable(); |
| this.id = id; |
| return this; |
| } |
| |
| private void commitNoteMap(RevWalk walk, NoteMap map, |
| RevCommit notesCommit, |
| ObjectInserter inserter, |
| String msg) |
| throws IOException { |
| // commit the note |
| CommitBuilder builder = new CommitBuilder(); |
| builder.setTreeId(map.writeTree(inserter)); |
| builder.setAuthor(new PersonIdent(repo)); |
| builder.setCommitter(builder.getAuthor()); |
| builder.setMessage(msg); |
| if (notesCommit != null) |
| builder.setParentIds(notesCommit); |
| ObjectId commit = inserter.insert(builder); |
| inserter.flush(); |
| RefUpdate refUpdate = repo.updateRef(notesRef); |
| if (notesCommit != null) |
| refUpdate.setExpectedOldObjectId(notesCommit); |
| else |
| refUpdate.setExpectedOldObjectId(ObjectId.zeroId()); |
| refUpdate.setNewObjectId(commit); |
| refUpdate.update(walk); |
| } |
| |
| /** |
| * @param notesRef |
| * the ref to read notes from. Note, the default value of |
| * {@link Constants#R_NOTES_COMMITS} will be used if nothing is |
| * set |
| * @return {@code this} |
| * |
| * @see Constants#R_NOTES_COMMITS |
| */ |
| public RemoveNoteCommand setNotesRef(String notesRef) { |
| checkCallable(); |
| this.notesRef = notesRef; |
| return this; |
| } |
| |
| } |