| /******************************************************************************* |
| * Copyright (c) 2000, 2007 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 |
| *******************************************************************************/ |
| |
| 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; |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.team.core.history.IFileRevision#getTags() |
| */ |
| public ITag[] getTags() { |
| return new ITag[0]; |
| } |
| |
| } |