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/*******************************************************************************
* Copyright (c) 2000, 2011 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
* Olexiy Buyanskyy <olexiyb@gmail.com> - Bug 76386 - [History View] CVS Resource History shows revisions from all branches
*******************************************************************************/
package org.eclipse.team.core.history.provider;
import java.net.URI;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IStorage;
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.ITag;
/**
* Abstract implementation of {@link IFileRevision} that can be implemented by
* clients.
*
* @see IFileRevision
*
* @since 3.2
*/
public abstract class FileRevision implements IFileRevision {
private static final class LocalFileRevision extends FileRevision {
private final IFile file;
private LocalFileRevision(IFile file) {
this.file = file;
}
public IStorage getStorage(IProgressMonitor monitor) {
return file;
}
public String getName() {
return file.getName();
}
public boolean exists() {
return file.exists();
}
public long getTimestamp() {
return file.getLocalTimeStamp();
}
public URI getURI() {
return file.getLocationURI();
}
public IFileRevision withAllProperties(IProgressMonitor monitor) throws CoreException {
return this;
}
public boolean isPropertyMissing() {
return false;
}
public int hashCode() {
return file.hashCode();
}
public boolean equals(Object obj) {
if (obj == this)
return true;
if (obj instanceof LocalFileRevision) {
LocalFileRevision other = (LocalFileRevision) obj;
return other.file.equals(this.file);
}
return false;
}
}
/**
* Return a file state representing the current state of the
* local file.
* @param file a local file
* @return a file state representing the current state of the
* local file
* @deprecated This method doesn't do anything useful so it has been deprecated.
*/
public static IFileRevision getFileRevisionFor(final IFile file) {
return new LocalFileRevision(file);
}
/* (non-Javadoc)
* @see org.eclipse.team.core.history.IFileState#getURI()
*/
public URI getURI() {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.team.core.history.IFileState#getTimestamp()
*/
public long getTimestamp() {
return -1;
}
/* (non-Javadoc)
* @see org.eclipse.team.core.history.IFileState#exists()
*/
public boolean exists() {
return true;
}
/* (non-Javadoc)
* @see org.eclipse.team.core.history.IFileRevision#getContentIdentifier()
*/
public String getContentIdentifier() {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.team.core.history.IFileRevision#getAuthor()
*/
public String getAuthor() {
return null;
}
/* (non-Javadoc)
* @see org.eclipse.team.core.history.IFileRevision#getComment()
*/
public String getComment() {
return null;
}
/**
* {@inheritDoc}
* @since 3.6
*/
public ITag[] getBranches() {
return new ITag[0];
}
/* (non-Javadoc)
* @see org.eclipse.team.core.history.IFileRevision#getTags()
*/
public ITag[] getTags() {
return new ITag[0];
}
}
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