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/*******************************************************************************
* Copyright (c) 2000, 2003 IBM Corporation and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Common Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/cpl-v10.html
*
* Contributors:
* IBM Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.team.internal.ccvs.core;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.team.core.variants.IResourceVariant;
import org.eclipse.team.core.variants.IResourceVariantComparator;
import org.eclipse.team.internal.ccvs.core.resources.CVSWorkspaceRoot;
import org.eclipse.team.internal.ccvs.core.syncinfo.ResourceSyncInfo;
/**
* CVSRevisionNumberCompareCriteria
*/
public class CVSRevisionNumberCompareCriteria implements IResourceVariantComparator {
private boolean isThreeWay;
public CVSRevisionNumberCompareCriteria(boolean isThreeWay) {
this.isThreeWay = isThreeWay;
}
/* (non-Javadoc)
* @see ComparisonCriteria#compare(Object, Object, IProgressMonitor)
*/
public boolean compare(Object e1, Object e2) {
if(e1 instanceof IResource && e2 instanceof ICVSRemoteResource) {
return compare((IResource)e1, (ICVSRemoteResource)e2);
} else if(e1 instanceof ICVSRemoteResource && e2 instanceof ICVSRemoteResource) {
return compare((ICVSRemoteResource)e1, (ICVSRemoteResource)e2);
}
return false;
}
/**
* @see RemoteSyncElement#timestampEquals(IResourceVariant, IResourceVariant)
*/
protected boolean compare(ICVSRemoteResource e1, ICVSRemoteResource e2) {
if(e1.isContainer()) {
if(e2.isContainer()) {
return true;
}
return false;
}
return e1.equals(e2);
}
/**
* @see RemoteSyncElement#timestampEquals(IResource, IResourceVariant)
*/
protected boolean compare(IResource e1, ICVSRemoteResource e2) {
if(e1.getType() != IResource.FILE) {
if(e2.isContainer()) {
return true;
}
return false;
}
ICVSFile cvsFile = CVSWorkspaceRoot.getCVSFileFor((IFile)e1);
try {
byte[] syncBytes1 = cvsFile.getSyncBytes();
byte[] syncBytes2 = ((ICVSRemoteFile)e2).getSyncBytes();
if(syncBytes1 != null) {
if(ResourceSyncInfo.isDeletion(syncBytes1) || ResourceSyncInfo.isMerge(syncBytes1) || cvsFile.isModified(null)) {
return false;
}
return ResourceSyncInfo.getRevision(syncBytes1).equals(ResourceSyncInfo.getRevision(syncBytes2));
}
return false;
} catch(CVSException e) {
CVSProviderPlugin.log(e);
return false;
}
}
/* (non-Javadoc)
* @see org.eclipse.team.core.subscribers.IComparisonCriteria#compare(org.eclipse.core.resources.IResource, org.eclipse.team.core.subscribers.ISubscriberResource)
*/
public boolean compare(IResource local, IResourceVariant remote) {
return compare(local, (ICVSRemoteResource)remote);
}
/* (non-Javadoc)
* @see org.eclipse.team.core.subscribers.IComparisonCriteria#compare(org.eclipse.team.core.subscribers.ISubscriberResource, org.eclipse.team.core.subscribers.ISubscriberResource)
*/
public boolean compare(IResourceVariant base, IResourceVariant remote) {
return compare((ICVSRemoteResource)base, (ICVSRemoteResource)remote);
}
/* (non-Javadoc)
* @see org.eclipse.team.core.subscribers.ISubscriberResourceComparator#isThreeWay()
*/
public boolean isThreeWay() {
return isThreeWay;
}
}
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