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/*******************************************************************************
* Copyright (c) 2006, 2017 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.ui.history;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.runtime.Adapters;
import org.eclipse.team.core.RepositoryProvider;
import org.eclipse.team.core.history.IFileHistoryProvider;
import org.eclipse.team.internal.ui.Utils;
/**
* Abstract HistoryPageSource class.
* @see IHistoryPageSource
* @since 3.2
*/
public abstract class HistoryPageSource implements IHistoryPageSource {
/**
* Convenience method that returns the history page source for the
* given object. This method only finds a source. It does not query the source
* to see if the source can display history for the given object.
* @param object the object
* @return he history page source for the
* given object
*/
public static IHistoryPageSource getHistoryPageSource(Object object) {
IResource resource = Utils.getResource(object);
if (resource != null) {
RepositoryProvider provider = RepositoryProvider.getProvider(resource.getProject());
if (provider != null) {
IFileHistoryProvider fileHistoryProvider = provider.getFileHistoryProvider();
if (fileHistoryProvider != null) {
IHistoryPageSource pageSource = Adapters.adapt(fileHistoryProvider, IHistoryPageSource.class);
if (pageSource != null)
return pageSource;
}
IHistoryPageSource pageSource = Adapters.adapt(provider, IHistoryPageSource.class);
if (pageSource != null)
return pageSource;
}
}
IHistoryPageSource pageSource = Adapters.adapt(object, IHistoryPageSource.class);
return pageSource;
}
}
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