/*******************************************************************************
* Copyright (c) 2006 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.egit.ui.internal.revision;
import java.net.URI;
import java.text.DateFormat;
import java.util.Date;
import org.eclipse.compare.ITypedElement;
import org.eclipse.core.resources.IStorage;
import org.eclipse.core.runtime.Assert;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.team.core.history.IFileRevision;
import org.eclipse.ui.IEditorInput;
/**
* An {@link ITypedElement} wrapper for {@link IFileRevision} for use with the
* Compare framework.
*/
public class FileRevisionTypedElement extends StorageTypedElement {
private IFileRevision fileRevision;
private String author;
/**
* @param fileRevision
* the file revision
* @param localEncoding
* the encoding of the local file that corresponds to the given
* file revision
*/
public FileRevisionTypedElement(IFileRevision fileRevision,
String localEncoding) {
super(localEncoding);
Assert.isNotNull(fileRevision);
this.fileRevision = fileRevision;
}
public String getName() {
return fileRevision.getName();
}
protected IStorage fetchContents(IProgressMonitor monitor)
throws CoreException {
return fileRevision.getStorage(monitor);
}
/**
* @return String the string contains a unique content id
*/
public String getContentIdentifier() {
return fileRevision.getContentIdentifier();
}
/**
* @return the human readable timestamp of this element
*/
public String getTimestamp() {
long date = fileRevision.getTimestamp();
Date dateFromLong = new Date(date);
return DateFormat.getDateTimeInstance().format(dateFromLong);
}
/**
* @return the file revision of this element
*/
public IFileRevision getFileRevision() {
return fileRevision;
}
/**
* @return the human readable path of this element
*/
public String getPath() {
URI uri = fileRevision.getURI();
if (uri != null)
return uri.getPath();
return getName();
}
public IEditorInput getDocumentKey(Object element) {
if (element == this && getBufferedStorage() != null) {
return new FileRevisionEditorInput(fileRevision,
getBufferedStorage(), getLocalEncoding());
}
return null;
}
public int hashCode() {
return fileRevision.hashCode();
}
public boolean equals(Object obj) {
if (obj == this)
return true;
if (obj instanceof FileRevisionTypedElement) {
FileRevisionTypedElement other = (FileRevisionTypedElement) obj;
return other.getFileRevision().equals(getFileRevision());
}
return false;
}
/**
* @return the author
*/
public String getAuthor() {
if (author == null)
author = fileRevision.getAuthor();
return author;
}
/**
* @param author
* the author
*/
public void setAuthor(String author) {
this.author = author;
}
/**
* @param monitor
* @throws CoreException
*/
public void fetchAuthor(IProgressMonitor monitor) throws CoreException {
if (getAuthor() == null && fileRevision.isPropertyMissing()) {
IFileRevision other = fileRevision.withAllProperties(monitor);
author = other.getAuthor();
}
}
/**
* @return the revision
*/
public IFileRevision getRevision() {
return fileRevision;
}
}