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/*******************************************************************************
* Copyright (C) 2006, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* Copyright (C) 2013, Robin Stocker <robin@nibor.org>
* Copyright (C) 2017, Thomas Wolf <thomas.wolf@paranor.ch>
*
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*******************************************************************************/
package org.eclipse.egit.core.internal.storage;
import java.net.URI;
import java.net.URISyntaxException;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.team.core.history.IFileRevision;
import org.eclipse.team.core.history.provider.FileRevision;
import org.eclipse.jgit.dircache.DirCacheCheckout.CheckoutMetadata;
import org.eclipse.jgit.dircache.DirCacheEntry;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.Repository;
import org.eclipse.jgit.revwalk.RevCommit;
/**
* A Git related {@link IFileRevision}. It references a version and a resource,
* i.e. the version we think corresponds to the resource in specific version.
*/
public abstract class GitFileRevision extends FileRevision {
/** Content identifier for the working copy. */
public static final String WORKSPACE = "Workspace"; //$NON-NLS-1$
/** Content identifier for the working tree version.
/* Used to access non workspace files */
public static final String WORKING_TREE = "Working Tree"; //$NON-NLS-1$
/** Content identifier for the content staged in the index. */
public static final String INDEX = "Index"; //$NON-NLS-1$
/**
* Obtain a file revision for a specific blob of an existing commit.
*
* @param db
* the repository this commit was loaded out of, and that this
* file's blob should also be reachable through.
* @param commit
* the commit the blob was identified to be within.
* @param path
* path within the commit's tree of the file.
* @param blobId
* unique name of the content.
* @param metadata
* Smudge filters and EOL stream type to apply when the content
* is to be gotten.
* @return revision implementation for this file in the given commit.
*/
public static GitFileRevision inCommit(final Repository db,
final RevCommit commit, final String path, final ObjectId blobId,
CheckoutMetadata metadata) {
return new CommitFileRevision(db, commit, path, blobId, metadata);
}
/**
* @param db
* the repository which contains the index to use.
* @param path
* path of the resource in the index
* @return revision implementation for the given path in the index
*/
public static GitFileRevision inIndex(final Repository db, final String path) {
return new IndexFileRevision(db, path);
}
/**
* @param db
* the repository which contains the index to use.
* @param path
* path of the resource in the index
* @param stage
* stage of the index entry to get, use one of the
* {@link DirCacheEntry} constants (e.g.
* {@link DirCacheEntry#STAGE_2})
* @return revision implementation for the given path in the index
*/
public static GitFileRevision inIndex(final Repository db,
final String path, int stage) {
return new IndexFileRevision(db, path, stage);
}
private final String path;
GitFileRevision(final String path) {
this.path = path;
}
@Override
public String getName() {
final int last = path.lastIndexOf('/');
return last >= 0 ? path.substring(last + 1) : path;
}
@Override
public boolean isPropertyMissing() {
return false;
}
@Override
public IFileRevision withAllProperties(final IProgressMonitor monitor)
throws CoreException {
return this;
}
@Override
public URI getURI() {
try {
return new URI(null, null, path, null);
} catch (URISyntaxException e) {
return null;
}
}
}
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