org.eclipse.jgit.api.ListNotesCommand Maven / Gradle / Ivy
/*
* Copyright (C) 2011, Chris Aniszczyk
* 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
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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package org.eclipse.jgit.api;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.api.errors.JGitInternalException;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Ref;
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.RevWalk;
/**
* List object notes.
*
* @see Git documentation about Notes
*/
public class ListNotesCommand extends GitCommand> {
private String notesRef = Constants.R_NOTES_COMMITS;
/**
* @param repo
*/
protected ListNotesCommand(Repository repo) {
super(repo);
}
/**
* @return the requested notes
*/
public List call() throws GitAPIException {
checkCallable();
List notes = new ArrayList();
RevWalk walk = new RevWalk(repo);
NoteMap map = NoteMap.newEmptyMap();
try {
Ref ref = repo.getRef(notesRef);
// if we have a notes ref, use it
if (ref != null) {
RevCommit notesCommit = walk.parseCommit(ref.getObjectId());
map = NoteMap.read(walk.getObjectReader(), notesCommit);
}
Iterator i = map.iterator();
while (i.hasNext())
notes.add(i.next());
} catch (IOException e) {
throw new JGitInternalException(e.getMessage(), e);
} finally {
walk.release();
}
return notes;
}
/**
* @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 ListNotesCommand setNotesRef(String notesRef) {
checkCallable();
this.notesRef = notesRef;
return this;
}
}