/**
* This file is part of muCommander, http://www.mucommander.com
* Copyright (C) 2002-2016 Maxence Bernard
*
* muCommander is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* muCommander is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.mucommander.commons.file.protocol.s3;
import com.mucommander.commons.file.*;
import com.mucommander.commons.io.RandomAccessInputStream;
import org.jets3t.service.S3Service;
import org.jets3t.service.S3ServiceException;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
/**
* <code>S3Root</code> represents the Amazon S3 root resource, also known as 'service'.
*
* @author Maxence Bernard
*/
public class S3Root extends S3File {
private SimpleFileAttributes atts;
/** Default permissions for the S3 root */
private final static FilePermissions DEFAULT_PERMISSIONS = new SimpleFilePermissions(448); // rwx------
protected S3Root(FileURL url, S3Service service) {
super(url, service);
atts = new SimpleFileAttributes();
atts.setPath("/");
atts.setExists(true);
atts.setDate(0);
atts.setSize(0);
atts.setDirectory(true);
atts.setPermissions(DEFAULT_PERMISSIONS);
atts.setOwner(null);
atts.setGroup(null);
}
///////////////////////////
// S3File implementation //
///////////////////////////
@Override
public FileAttributes getFileAttributes() {
return atts;
}
/////////////////////////////////
// ProtocolFile implementation //
/////////////////////////////////
@Override
public String getOwner() {
return null;
}
@Override
public boolean canGetOwner() {
return false;
}
@Override
public AbstractFile[] ls() throws IOException {
try {
org.jets3t.service.model.S3Bucket buckets[] = service.listAllBuckets();
int nbBuckets = buckets.length;
AbstractFile bucketFiles[] = new AbstractFile[nbBuckets];
FileURL bucketURL;
for(int i=0; i<nbBuckets; i++) {
bucketURL = (FileURL)fileURL.clone();
bucketURL.setPath("/"+buckets[i].getName());
bucketFiles[i] = FileFactory.getFile(bucketURL, null, service, buckets[i]);
}
return bucketFiles;
}
catch(S3ServiceException e) {
throw getIOException(e);
}
}
// Unsupported operations
/**
* Always throws an {@link UnsupportedFileOperationException}.
*/
@Override
@UnsupportedFileOperation
public void mkdir() throws UnsupportedFileOperationException {
throw new UnsupportedFileOperationException(FileOperation.CREATE_DIRECTORY);
}
/**
* Always throws an {@link UnsupportedFileOperationException}.
*/
@Override
@UnsupportedFileOperation
public InputStream getInputStream() throws UnsupportedFileOperationException {
throw new UnsupportedFileOperationException(FileOperation.READ_FILE);
}
/**
* Always throws an {@link UnsupportedFileOperationException}.
*/
@Override
@UnsupportedFileOperation
public OutputStream getOutputStream() throws UnsupportedFileOperationException {
throw new UnsupportedFileOperationException(FileOperation.WRITE_FILE);
}
/**
* Always throws an {@link UnsupportedFileOperationException}.
*/
@Override
@UnsupportedFileOperation
public RandomAccessInputStream getRandomAccessInputStream() throws UnsupportedFileOperationException {
throw new UnsupportedFileOperationException(FileOperation.RANDOM_READ_FILE);
}
/**
* Always throws an {@link UnsupportedFileOperationException}.
*/
@Override
@UnsupportedFileOperation
public void delete() throws UnsupportedFileOperationException {
throw new UnsupportedFileOperationException(FileOperation.DELETE);
}
@Override
@UnsupportedFileOperation
public void copyRemotelyTo(AbstractFile destFile) throws UnsupportedFileOperationException {
throw new UnsupportedFileOperationException(FileOperation.COPY_REMOTELY);
}
@Override
@UnsupportedFileOperation
public void renameTo(AbstractFile destFile) throws UnsupportedFileOperationException {
throw new UnsupportedFileOperationException(FileOperation.RENAME);
}
}