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/*
* 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 java.text.MessageFormat;
import java.util.Collection;
import org.eclipse.jgit.api.errors.GitAPIException;
import org.eclipse.jgit.api.errors.InvalidRefNameException;
import org.eclipse.jgit.api.errors.RefNotFoundException;
import org.eclipse.jgit.internal.JGitText;
import org.eclipse.jgit.lib.Constants;
import org.eclipse.jgit.lib.ReflogEntry;
import org.eclipse.jgit.lib.ReflogReader;
import org.eclipse.jgit.lib.Repository;
/**
* The reflog command
*
* @see <a
* href="http://www.kernel.org/pub/software/scm/git/docs/git-reflog.html"
* >Git documentation about reflog</a>
*/
public class ReflogCommand extends GitCommand<Collection<ReflogEntry>> {
private String ref = Constants.HEAD;
/**
* @param repo
*/
public ReflogCommand(Repository repo) {
super(repo);
}
/**
* The ref used for the reflog operation. If no ref is set, the default
* value of HEAD will be used.
*
* @param ref
* @return {@code this}
*/
public ReflogCommand setRef(String ref) {
checkCallable();
this.ref = ref;
return this;
}
/**
* Run the reflog command
*
* @throws GitAPIException
* @throws InvalidRefNameException
*/
@Override
public Collection<ReflogEntry> call() throws GitAPIException,
InvalidRefNameException {
checkCallable();
try {
ReflogReader reader = repo.getReflogReader(ref);
if (reader == null)
throw new RefNotFoundException(MessageFormat.format(
JGitText.get().refNotResolved, ref));
return reader.getReverseEntries();
} catch (IOException e) {
throw new InvalidRefNameException(MessageFormat.format(
JGitText.get().cannotRead, ref), e);
}
}
}
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