/*
* Copyright (C) 2011, GitHub 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
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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package org.eclipse.jgit.api;
import java.io.IOException;
import java.text.MessageFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.List;
import org.eclipse.jgit.JGitText;
import org.eclipse.jgit.api.errors.InvalidRefNameException;
import org.eclipse.jgit.api.errors.JGitInternalException;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.jgit.revwalk.RevWalk;
import org.eclipse.jgit.storage.file.ReflogEntry;
/**
* Command class to list the stashed commits in a repository.
*
* @see <a href="http://www.kernel.org/pub/software/scm/git/docs/git-stash.html"
* >Git documentation about Stash</a>
*/
public class StashListCommand extends GitCommand<Collection<RevCommit>> {
/**
* Create a new stash list command
*
* @param repo
*/
public StashListCommand(final Repository repo) {
super(repo);
}
public Collection<RevCommit> call() throws Exception {
checkCallable();
try {
if (repo.getRef(Constants.R_STASH) == null)
return Collections.emptyList();
} catch (IOException e) {
throw new InvalidRefNameException(MessageFormat.format(
JGitText.get().cannotRead, Constants.R_STASH), e);
}
final ReflogCommand refLog = new ReflogCommand(repo);
refLog.setRef(Constants.R_STASH);
final Collection<ReflogEntry> stashEntries = refLog.call();
if (stashEntries.isEmpty())
return Collections.emptyList();
final List<RevCommit> stashCommits = new ArrayList<RevCommit>(
stashEntries.size());
final RevWalk walk = new RevWalk(repo);
walk.setRetainBody(true);
try {
for (ReflogEntry entry : stashEntries)
try {
stashCommits.add(walk.parseCommit(entry.getNewId()));
} catch (IOException e) {
throw new JGitInternalException(MessageFormat.format(
JGitText.get().cannotReadCommit, entry.getNewId()),
e);
}
} finally {
walk.dispose();
}
return stashCommits;
}
}