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/*******************************************************************************
* Copyright (c) 2011, 2012 Wind River Systems, Inc. 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:
* Wind River Systems - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.filesystem.core.internal.operations;
import java.lang.reflect.InvocationTargetException;
import java.util.List;
import org.eclipse.core.runtime.IProgressMonitor;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.osgi.util.NLS;
import org.eclipse.tcf.protocol.IChannel;
import org.eclipse.tcf.protocol.IToken;
import org.eclipse.tcf.services.IFileSystem;
import org.eclipse.tcf.services.IFileSystem.DoneRename;
import org.eclipse.tcf.services.IFileSystem.FileSystemException;
import org.eclipse.tcf.te.tcf.core.Tcf;
import org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IConfirmCallback;
import org.eclipse.tcf.te.tcf.filesystem.core.internal.exceptions.TCFException;
import org.eclipse.tcf.te.tcf.filesystem.core.internal.exceptions.TCFFileSystemException;
import org.eclipse.tcf.te.tcf.filesystem.core.model.FSTreeNode;
import org.eclipse.tcf.te.tcf.filesystem.core.nls.Messages;
/**
* FSMove moves specified tree nodes to a destination folder.
*/
public class OpMove extends Operation {
// The file/folder nodes to be moved.
List<FSTreeNode> nodes;
// The destination folder to be moved to.
FSTreeNode dest;
// The callback
IConfirmCallback confirmCallback;
/**
* Create a move operation to move the specified nodes to the destination folder.
*
* @param nodes The nodes to be moved.
* @param dest the destination folder to move to.
*/
public OpMove(List<FSTreeNode> nodes, FSTreeNode dest) {
this(nodes, dest, null);
}
/**
* Create a move operation to move the specified nodes to the destination folder
* and a confirmation callback.
*
* @param nodes The nodes to be moved.
* @param dest the destination folder to move to.
* @param confirmCallback the confirmation callback.
*/
public OpMove(List<FSTreeNode> nodes, FSTreeNode dest, IConfirmCallback confirmCallback) {
super();
this.nodes = getAncestors(nodes);
this.dest = dest;
this.confirmCallback = confirmCallback;
}
/*
* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.filesystem.core.internal.operations.Operation#run(org.eclipse.core.runtime.IProgressMonitor)
*/
@Override
public void run(IProgressMonitor monitor) throws InvocationTargetException, InterruptedException {
super.run(monitor);
// Remove its self from the clipped nodes.
nodes.remove(dest);
IChannel channel = null;
try {
if (!nodes.isEmpty()) {
FSTreeNode head = nodes.get(0);
channel = openChannel(head.peerNode.getPeer());
if (channel != null) {
IFileSystem service = getBlockingFileSystem(channel);
if (service != null) {
for (FSTreeNode node : nodes) {
// Move each node.
moveNode(service, node, dest);
}
}
else {
String message = NLS.bind(Messages.Operation_NoFileSystemError, head.peerNode.getPeerId());
throw new TCFFileSystemException(IStatus.ERROR, message);
}
}
}
}
catch (TCFException e) {
throw new InvocationTargetException(e, e.getMessage());
}
finally {
if (channel != null) Tcf.getChannelManager().closeChannel(channel);
monitor.done();
}
}
/**
* Move the file/folder to the destination folder using the specified file system service.
*
* @param monitor The monitor used to report the moving progress.
* @param service The file system service used to move the remote files.
* @param node The file/folder node to be moved.
* @param dest The destination folder.
* @throws TCFFileSystemException The exception thrown during moving.
* @throws InterruptedException Thrown when the operation is canceled.
*/
void moveNode(IFileSystem service, final FSTreeNode node, FSTreeNode dest) throws TCFFileSystemException, InterruptedException {
if (monitor.isCanceled()) throw new InterruptedException();
monitor.subTask(NLS.bind(Messages.OpMove_Moving, node.name));
FSTreeNode copy = findChild(service, dest, node.name);
if (copy == null || !copy.equals(node) && confirmReplace(node, confirmCallback)) {
if (copy != null && copy.isDirectory() && node.isDirectory()) {
List<FSTreeNode> children = getChildren(node, service);
for (FSTreeNode child : children) {
moveNode(service, child, copy);
}
removeFolder(node, service);
monitor.worked(1);
}
else if (copy != null && copy.isFile() && node.isDirectory()) {
String error = NLS.bind(Messages.OpMove_FileExistsError, copy.name);
throw new TCFFileSystemException(IStatus.ERROR, error);
}
else if (copy != null && copy.isDirectory() && node.isFile()) {
String error = NLS.bind(Messages.OpMove_FolderExistsError, copy.name);
throw new TCFFileSystemException(IStatus.ERROR, error);
}
else {
if (copy != null && copy.isFile() && node.isFile()) {
removeFile(copy, service);
}
else if (copy == null) {
copy = (FSTreeNode) node.clone();
}
addChild(service, dest, copy);
String dst_path = copy.getLocation(true);
String src_path = node.getLocation(true);
final FSTreeNode copyNode = copy;
final TCFFileSystemException[] errors = new TCFFileSystemException[1];
service.rename(src_path, dst_path, new DoneRename() {
@Override
public void doneRename(IToken token, FileSystemException error) {
if (error != null) {
String message = NLS.bind(Messages.OpMove_CannotMove, node.name, error);
errors[0] = new TCFFileSystemException(IStatus.ERROR, message, error);
}
else {
cleanUpNode(node, copyNode);
}
}
});
if (errors[0] != null) {
removeChild(service, dest, copy);
throw errors[0];
}
monitor.worked(1);
}
}
}
/**
* Clean up the node after successful moving.
*
* @param node The node being moved.
* @param copyNode The target node that is moved to.
*/
void cleanUpNode(FSTreeNode node, FSTreeNode copyNode) {
if (node.isFile()) {
super.cleanUpFile(node);
}
else if (node.isDirectory()) {
super.cleanUpFolder(node);
List<FSTreeNode> children = node.getChildren();
copyNode.addChidren(children);
for (FSTreeNode child : children) {
child.setParent(copyNode);
}
}
}
/*
* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IOperation#getName()
*/
@Override
public String getName() {
return Messages.OpMove_MovingFile;
}
/*
* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.filesystem.core.interfaces.IOperation#getTotalWork()
*/
@Override
public int getTotalWork() {
return nodes == null ? IProgressMonitor.UNKNOWN : nodes.size();
}
}
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