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/*******************************************************************************
* Copyright (c) 2009 Remy Chi Jian Suen 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:
* Remy Chi Jian Suen <remy.suen@gmail.com> - initial API and implementation
******************************************************************************/
package org.eclipse.ecf.internal.sync.resources.core;
import java.io.ByteArrayInputStream;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IResource;
import org.eclipse.core.resources.IResourceDelta;
import org.eclipse.core.resources.ResourcesPlugin;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.NullProgressMonitor;
import org.eclipse.core.runtime.Path;
import org.eclipse.ecf.sync.ModelUpdateException;
import org.eclipse.ecf.sync.resources.core.preferences.PreferenceConstants;
public final class FileChangeMessage extends ResourceChangeMessage {
private static final long serialVersionUID = 1482601202361201103L;
FileChangeMessage(String path, int kind, byte[] contents) {
super(path, IResource.FILE, kind, contents);
}
public void applyToModel(Object model) throws ModelUpdateException {
try {
apply();
} catch (CoreException e) {
throw new ModelUpdateException(e, this, model);
}
}
private void apply() throws CoreException {
IPath resourcePath = new Path(path);
final IFile file = ResourcesPlugin.getWorkspace().getRoot().getFile(
resourcePath);
switch (kind) {
case IResourceDelta.ADDED:
switch (SyncResourcesCore
.getInt(PreferenceConstants.REMOTE_RESOURCE_ADDITION)) {
case PreferenceConstants.COMMIT_VALUE:
if (file.exists()) {
// file was added by a remote peer when it exists locally,
// this is a conflict, flag it as such
setConflicted(true);
// change the contents
file.setContents(new ByteArrayInputStream(contents), true,
true, null);
} else {
// file doesn't exist, create it
file.create(new ByteArrayInputStream(contents), true, null);
}
break;
case PreferenceConstants.IGNORE_CONFLICTS_VALUE:
if (file.exists()) {
// the file exists, this is a conflict, flag it
setConflicted(true);
// the user has set the system to ignore conflicts, flag it
setIgnored(true);
} else {
// file doesn't exist, create it
file.create(new ByteArrayInputStream(contents), true,
new NullProgressMonitor());
}
break;
case PreferenceConstants.IGNORE_VALUE:
setIgnored(true);
break;
}
break;
case IResourceDelta.CHANGED:
switch (SyncResourcesCore
.getInt(PreferenceConstants.REMOTE_RESOURCE_ADDITION)) {
case PreferenceConstants.COMMIT_VALUE:
if (file.exists()) {
file.setContents(new ByteArrayInputStream(contents), true,
true, null);
} else {
setConflicted(true);
file.create(new ByteArrayInputStream(contents), true, null);
}
break;
case PreferenceConstants.IGNORE_CONFLICTS_VALUE:
if (file.exists()) {
file.setContents(new ByteArrayInputStream(contents), true,
true, null);
} else {
setConflicted(true);
setIgnored(true);
}
break;
case PreferenceConstants.IGNORE_VALUE:
setIgnored(true);
break;
}
break;
case IResourceDelta.REMOVED:
switch (SyncResourcesCore
.getInt(PreferenceConstants.REMOTE_RESOURCE_DELETION)) {
case PreferenceConstants.COMMIT_VALUE:
if (file.exists()) {
// the file exists, commit the change by deleting it
file.delete(false, true, new NullProgressMonitor());
} else {
// if it doesn't exist, then there's nothing to delete, so
// we flag this change as having been ignored
setIgnored(true);
}
break;
case PreferenceConstants.IGNORE_VALUE:
setIgnored(true);
break;
}
}
}
}
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