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/*******************************************************************************
* Copyright (C) 2011, 2013 Dariusz Luksza <dariusz@luksza.org> and others.
*
* 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.synchronize;
import static org.eclipse.jgit.lib.ObjectId.zeroId;
import java.io.UnsupportedEncodingException;
import org.eclipse.jgit.lib.ObjectId;
import org.eclipse.jgit.lib.PersonIdent;
import org.eclipse.jgit.revwalk.RevCommit;
import org.eclipse.team.core.variants.CachedResourceVariant;
/**
* Base class for EGit's remote resource variants.
*
* @since 3.0
*/
public abstract class GitRemoteResource extends CachedResourceVariant {
private final String path;
private final RevCommit commitId;
private final ObjectId objectId;
GitRemoteResource(RevCommit commitId, ObjectId objectId, String path) {
this.path = path;
this.objectId = objectId;
this.commitId = commitId;
}
@Override
public String getName() {
int lastSeparator = path.lastIndexOf("/"); //$NON-NLS-1$
return path.substring(lastSeparator + 1, path.length());
}
@Override
public String getContentIdentifier() {
if (commitId == null)
return ""; //$NON-NLS-1$
StringBuilder s = new StringBuilder();
s.append(commitId.abbreviate(7).name());
s.append("..."); //$NON-NLS-1$
PersonIdent authorIdent = commitId.getAuthorIdent();
if (authorIdent != null) {
s.append(" ("); //$NON-NLS-1$
s.append(authorIdent.getName());
s.append(")"); //$NON-NLS-1$
}
return s.toString();
}
@Override
public byte[] asBytes() {
try {
return getObjectId().name().getBytes("UTF-8"); //$NON-NLS-1$
} catch (UnsupportedEncodingException e) {
throw new RuntimeException(e);
}
}
@Override
protected String getCachePath() {
return path;
}
@Override
protected String getCacheId() {
return "org.eclipse.egit"; //$NON-NLS-1$
}
boolean exists() {
return commitId != null;
}
/**
* @return the commit Id for this resource variant.
*/
public RevCommit getCommitId() {
return commitId;
}
/**
* @return object id, or {code {@link RevCommit#zeroId()} if object doesn't
* exist in repository
*/
ObjectId getObjectId() {
return objectId != null ? objectId : zeroId();
}
/**
* @return path to the resource.
*/
public String getPath() {
return path;
}
}
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