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/*******************************************************************************
* Copyright (c) 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.callbacks;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.Status;
import org.eclipse.osgi.util.NLS;
import org.eclipse.tcf.protocol.IChannel;
import org.eclipse.tcf.protocol.IPeer;
import org.eclipse.tcf.services.IFileSystem;
import org.eclipse.tcf.te.runtime.interfaces.callback.ICallback;
import org.eclipse.tcf.te.tcf.core.Tcf;
import org.eclipse.tcf.te.tcf.core.interfaces.IChannelManager;
import org.eclipse.tcf.te.tcf.filesystem.core.activator.CorePlugin;
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;
/**
* The callback to process the channel opened event for refreshing the state of a
* file system node.
*/
public class RefreshStateDoneOpenChannel extends CallbackBase implements IChannelManager.DoneOpenChannel{
// The node to be refreshed.
FSTreeNode node;
// The callback after the refreshing is done.
ICallback callback;
/**
* Create an instance.
*/
public RefreshStateDoneOpenChannel(FSTreeNode node, ICallback callback) {
this.node = node;
this.callback = callback;
}
/*
* (non-Javadoc)
* @see org.eclipse.tcf.te.tcf.core.interfaces.IChannelManager.DoneOpenChannel#doneOpenChannel(java.lang.Throwable, org.eclipse.tcf.protocol.IChannel)
*/
@Override
public void doneOpenChannel(Throwable error, IChannel channel) {
IPeer peer = node.peerNode.getPeer();
if (error != null) {
if(channel != null) {
Tcf.getChannelManager().closeChannel(channel);
}
if (!(error instanceof OperationCanceledException)) {
String message = getErrorMessage(error);
IStatus status = new Status(IStatus.ERROR, CorePlugin.getUniqueIdentifier(), message, error);
invokeCallback(status);
}
}
else {
IFileSystem service = channel.getRemoteService(IFileSystem.class);
if (service != null) {
String path = node.getLocation(true);
service.stat(path, new RefreshStateDoneStat(node, channel, callback));
}
else {
Tcf.getChannelManager().closeChannel(channel);
String message = NLS.bind(Messages.Operation_NoFileSystemError, peer.getID());
IStatus status = new Status(IStatus.ERROR, CorePlugin.getUniqueIdentifier(), message, new TCFFileSystemException(IStatus.ERROR, message));
invokeCallback(status);
}
}
}
/**
* Invoke the callback using the specified status, if the callback
* is not null.
*
* @param status The processing result.
*/
private void invokeCallback(IStatus status) {
if(callback != null) {
callback.done(this, status);
}
}
}
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