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/*******************************************************************************
* Copyright (c) 2015 Ericsson
*
* 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:
* Marc-Andre Laperle - Initial API and implementation
*******************************************************************************/
package org.eclipse.tracecompass.internal.tmf.ui.project.wizards.importtrace;
import java.io.File;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.List;
import org.apache.commons.compress.archivers.tar.TarArchiveEntry;
import org.apache.commons.compress.archivers.zip.ZipArchiveEntry;
import org.eclipse.ui.wizards.datatransfer.IImportStructureProvider;
/**
* An import provider that makes use of the IFileSystemObject abstraction
* instead of using plain file system objects (File, TarArchiveEntry, ZipArchiveEntry, etc)
*/
public class FileSystemObjectImportStructureProvider implements IImportStructureProvider {
private IImportStructureProvider fImportProvider;
private String fArchivePath;
/**
* Constructor
*
* @param importStructureProvider
* the {@link IImportStructureProvider}
* @param archivePath
* the path of the archive file
*/
public FileSystemObjectImportStructureProvider(IImportStructureProvider importStructureProvider, String archivePath) {
fImportProvider = importStructureProvider;
fArchivePath = archivePath;
}
@Override
public List<IFileSystemObject> getChildren(Object element) {
@SuppressWarnings("rawtypes")
List children = fImportProvider.getChildren(((IFileSystemObject) element).getRawFileSystemObject());
List<IFileSystemObject> adapted = new ArrayList<>(children.size());
for (Object o : children) {
adapted.add(getIFileSystemObject(o));
}
return adapted;
}
/**
* Get the IFileSystemObject corresponding to the specified raw object
*
* @param o
* the raw object
* @return the corresponding IFileSystemObject
*/
public IFileSystemObject getIFileSystemObject(Object o) {
if (o == null) {
return null;
}
if (o instanceof File) {
return new FileFileSystemObject((File) o);
} else if (o instanceof TarArchiveEntry) {
return new TarFileSystemObject((TarArchiveEntry) o, fArchivePath);
} else if (o instanceof ZipArchiveEntry) {
return new ZipFileSystemObject((ZipArchiveEntry) o, fArchivePath);
} else if (o instanceof GzipEntry) {
return new GzipFileSystemObject((GzipEntry) o, fArchivePath);
}
throw new IllegalArgumentException("Object type not handled"); //$NON-NLS-1$
}
@Override
public InputStream getContents(Object fileSystemObject) {
return fImportProvider.getContents(((IFileSystemObject) fileSystemObject).getRawFileSystemObject());
}
@Override
public String getFullPath(Object element) {
return fImportProvider.getFullPath(((IFileSystemObject) element).getRawFileSystemObject());
}
@Override
public String getLabel(Object element) {
return fImportProvider.getLabel(((IFileSystemObject) element).getRawFileSystemObject());
}
@Override
public boolean isFolder(Object element) {
return fImportProvider.isFolder(((IFileSystemObject) element).getRawFileSystemObject());
}
/**
* Disposes of the resources associated with the provider.
*/
public void dispose() {
// Do nothing
}
}
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