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/*******************************************************************************
* Copyright (c) 2005, 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.examples.filesystem.ui;
import org.eclipse.core.resources.mapping.ResourceTraversal;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.team.core.TeamException;
import org.eclipse.team.core.diff.*;
import org.eclipse.team.core.subscribers.SubscriberScopeManager;
import org.eclipse.team.examples.filesystem.FileSystemProvider;
import org.eclipse.team.examples.filesystem.Policy;
import org.eclipse.team.examples.filesystem.subscriber.FileSystemSubscriber;
import org.eclipse.ui.IWorkbenchPart;
/**
* Operation for copying the selected resources to the file system location
*/
public class PutOperation extends FileSystemOperation {
private boolean overwriteIncoming;
/**
* Create the put operation
* @param part the originating part
* @param manager the scope manager
*/
protected PutOperation(IWorkbenchPart part, SubscriberScopeManager manager) {
super(part, manager);
}
/* (non-Javadoc)
* @see org.eclipse.team.examples.filesystem.ui.FileSystemOperation#execute(org.eclipse.team.examples.filesystem.FileSystemProvider, org.eclipse.core.resources.mapping.ResourceTraversal[], org.eclipse.core.runtime.SubProgressMonitor)
*/
protected void execute(FileSystemProvider provider,
ResourceTraversal[] traversals, IProgressMonitor monitor)
throws CoreException {
provider.getOperations().checkin(traversals, isOverwriteIncoming(), monitor);
if (!isOverwriteIncoming() && hasOutgoingChanges(traversals)) {
throw new TeamException("Could not put all changes due to conflicts.");
}
}
private boolean hasOutgoingChanges(ResourceTraversal[] traversals) throws CoreException {
final RuntimeException found = new RuntimeException();
try {
FileSystemSubscriber.getInstance().accept(traversals, new IDiffVisitor() {
public boolean visit(IDiff diff) {
if (diff instanceof IThreeWayDiff) {
IThreeWayDiff twd = (IThreeWayDiff) diff;
if (twd.getDirection() == IThreeWayDiff.OUTGOING || twd.getDirection() == IThreeWayDiff.CONFLICTING) {
throw found;
}
}
return false;
}
});
} catch (RuntimeException e) {
if (e == found)
return true;
throw e;
}
return false;
}
/* (non-Javadoc)
* @see org.eclipse.team.examples.filesystem.ui.FileSystemOperation#getTaskName()
*/
protected String getTaskName() {
return Policy.bind("PutAction.working"); //$NON-NLS-1$
}
/**
* Return whether incoming changes should be overwritten.
* @return whether incoming changes should be overwritten
*/
public boolean isOverwriteIncoming() {
return overwriteIncoming;
}
/**
* Set whether incoming changes should be overwritten.
* @param overwriteIncoming whether incoming changes should be overwritten
*/
public void setOverwriteIncoming(boolean overwriteIncoming) {
this.overwriteIncoming = overwriteIncoming;
}
}
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