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/*******************************************************************************
* Copyright (c) 2014 Wind River Systems, Inc.
* 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:
* Markus Schorn - initial API and implementation
*******************************************************************************/
package org.eclipse.tcf.te.tcf.remote.core.operation;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.core.filesystem.IFileStore;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.OperationCanceledException;
import org.eclipse.core.runtime.SubMonitor;
import org.eclipse.tcf.protocol.IToken;
import org.eclipse.tcf.services.IFileSystem;
import org.eclipse.tcf.services.IFileSystem.DirEntry;
import org.eclipse.tcf.services.IFileSystem.DoneClose;
import org.eclipse.tcf.services.IFileSystem.DoneOpen;
import org.eclipse.tcf.services.IFileSystem.DoneReadDir;
import org.eclipse.tcf.services.IFileSystem.FileSystemException;
import org.eclipse.tcf.services.IFileSystem.IFileHandle;
import org.eclipse.tcf.te.tcf.remote.core.TCFFileStore;
import org.eclipse.tcf.te.tcf.remote.core.operation.PeerInfo.DoneGetFileSystem;
public class TCFOperationChildStores extends TCFFileStoreOperation<IFileStore[]> {
private final List<IFileStore> fFileStores = new ArrayList<IFileStore>();
private IFileSystem fFileSystem;
private IFileHandle fFileHandle;
public TCFOperationChildStores(TCFFileStore filestore) {
super(filestore);
}
protected void setResult() {
setResult(fFileStores.toArray(new IFileStore[fFileStores.size()]));
}
protected final void setFileSystem(IFileSystem fileSystem) {
fFileSystem = fileSystem;
}
protected final void setFileHandle(IFileHandle fileHandle) {
fFileHandle = fileHandle;
}
@Override
protected IFileStore[] waitForResult(SubMonitor sm) throws CoreException, InterruptedException, OperationCanceledException {
return super.waitForResult(sm);
}
@Override
protected void doExecute() {
getFileSystem(new DoneGetFileSystem() {
@Override
public void done(final IFileSystem fileSystem, IStatus status) {
if (shallAbort(status))
return;
setFileSystem(fileSystem);
fileSystem.opendir(getPath(), new DoneOpen() {
@Override
public void doneOpen(IToken token, FileSystemException error, IFileHandle handle) {
if (shallAbort(error))
return;
setFileHandle(handle);
readDir();
}
});
}
});
}
protected void readDir() {
fFileSystem.readdir(fFileHandle, new DoneReadDir() {
@Override
public void doneReadDir(IToken token, FileSystemException error, DirEntry[] entries, boolean eof) {
if (shallAbort(error)) {
closeHandle();
return;
}
for (DirEntry dirEntry : entries) {
createFileStore(dirEntry);
}
if (eof) {
closeHandle();
setResult();
} else {
readDir();
}
}
});
}
protected void createFileStore(DirEntry dirEntry) {
IFileStore child = getFileStore().getChild(dirEntry.filename);
if (child instanceof TCFFileStore) {
((TCFFileStore) child).setAttributes(dirEntry.attrs);
}
fFileStores.add(child);
}
protected void closeHandle() {
if (fFileSystem != null && fFileHandle != null) {
fFileSystem.close(fFileHandle, new DoneClose() {
@Override
public void doneClose(IToken token, FileSystemException error) {
}
});
fFileSystem = null;
fFileHandle = null;
}
}
}
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