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/*******************************************************************************
* Copyright (c) 2006 IBM Corporation and others.
*
* 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
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ui.history;
import java.net.URI;
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.team.internal.ui.StorageTypedElement;
import org.eclipse.ui.IEditorInput;
import com.ibm.icu.text.DateFormat;
/**
* An {@link ITypedElement} wrapper for {@link IFileRevision} for use with the
* Compare framework.
*/
public class FileRevisionTypedElement extends StorageTypedElement {
private IFileRevision fileRevision;
private String author;
/**
* Create a typed element that wraps the given file revision.
* @param fileRevision the file revision
*/
public FileRevisionTypedElement(IFileRevision fileRevision){
this(fileRevision, null);
}
/**
* Create a typed element that wraps the given file revision.
* @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;
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ui.StorageTypedElement#getName()
*/
@Override
public String getName() {
return fileRevision.getName();
}
/* (non-Javadoc)
* @see org.eclipse.team.internal.ui.StorageTypedElement#getElementStorage(org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
protected IStorage fetchContents(IProgressMonitor monitor) throws CoreException {
return fileRevision.getStorage(monitor);
}
/**
* Returns the unique content identifier for this element
* @return String the string contains a unique content id
*/
public String getContentIdentifier() {
return fileRevision.getContentIdentifier();
}
/**
* Return the human readable timestamp of this element.
* @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.
* @return the file revision of this element
*/
public IFileRevision getFileRevision(){
return fileRevision;
}
/**
* Return the human readable path of this element.
* @return the human readable path of this element
*/
public String getPath() {
URI uri = fileRevision.getURI();
if (uri != null)
return uri.getPath();
return getName();
}
/* (non-Javadoc)
* @see org.eclipse.compare.ISharedDocumentAdapter#getDocumentKey(java.lang.Object)
*/
@Override
public IEditorInput getDocumentKey(Object element) {
if (element == this && getBufferedStorage() != null) {
return new FileRevisionEditorInput(fileRevision, getBufferedStorage(), getLocalEncoding());
}
return null;
}
/* (non-Javadoc)
* @see java.lang.Object#hashCode()
*/
@Override
public int hashCode() {
return fileRevision.hashCode();
}
@Override
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;
}
public String getAuthor() {
if (author == null)
author = fileRevision.getAuthor();
return author;
}
public void setAuthor(String author) {
this.author = author;
}
public void fetchAuthor(IProgressMonitor monitor) throws CoreException {
if (getAuthor() == null && fileRevision.isPropertyMissing()) {
IFileRevision other = fileRevision.withAllProperties(monitor);
author = other.getAuthor();
}
}
public IFileRevision getRevision() {
return fileRevision;
}
}
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