/*
* JBoss, Home of Professional Open Source.
* See the COPYRIGHT.txt file distributed with this work for information
* regarding copyright ownership. Some portions may be licensed
* to Red Hat, Inc. under one or more contributor license agreements.
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
* 02110-1301 USA.
*/
package org.teiid.resource.adapter.ftp;
import java.io.Closeable;
import java.io.IOException;
import java.io.InputStream;
import java.util.Collections;
import java.util.Map;
import javax.resource.ResourceException;
import javax.resource.spi.InvalidPropertyException;
import org.apache.commons.net.ftp.FTPClient;
import org.jboss.vfs.VFS;
import org.jboss.vfs.VirtualFile;
import org.teiid.core.BundleUtil;
import org.teiid.file.VirtualFileConnection;
import org.teiid.resource.spi.BasicConnection;
public class FtpFileConnectionImpl extends BasicConnection implements VirtualFileConnection {
public static final BundleUtil UTIL = BundleUtil.getBundleUtil(FtpFileConnectionImpl.class);
private VirtualFile mountPoint;
private Map<String, String> fileMapping;
private Closeable closeable;
private final FTPClient client;
public FtpFileConnectionImpl(FTPClient client, String pathname, Map<String, String> fileMapping) throws ResourceException {
this.client = client;
if(fileMapping == null) {
this.fileMapping = Collections.emptyMap();
} else {
this.fileMapping = fileMapping;
}
try {
if(this.client.cwd(pathname) != 250) {
throw new InvalidPropertyException(UTIL.getString("parentdirectory_not_set")); //$NON-NLS-1$
}
this.client.changeWorkingDirectory(pathname);
this.mountPoint = VFS.getChild(pathname);
this.closeable = VFS.mount(mountPoint, new FtpFileSystem(this.client));
} catch (IOException e) {
throw new ResourceException(UTIL.getString("vfs_mount_error", pathname), e); //$NON-NLS-1$
}
}
@Override
public void close() throws ResourceException {
try {
this.closeable.close();
} catch (IOException e) {
throw new ResourceException(e);
}
}
@Override
public VirtualFile[] getFiles(String pattern) throws ResourceException {
if(this.getFile(pattern).exists()) {
return new VirtualFile[]{this.getFile(pattern)};
}
throw new ResourceException("Can not open multiple ftp stream based file in one connection"); //$NON-NLS-1$
}
@Override
public VirtualFile getFile(String path) throws ResourceException {
if(path == null) {
return this.mountPoint;
}
String altPath = fileMapping.get(path);
if (altPath != null) {
path = altPath;
}
return this.mountPoint.getChild(path);
}
@Override
public boolean add(InputStream in, VirtualFile file) throws ResourceException {
try {
return this.client.storeFile(file.getName(), in);
} catch (IOException e) {
throw new ResourceException(UTIL.getString("ftp_failed_write", file.getName(), this.client.getReplyString()), e); //$NON-NLS-1$
}
}
@Override
public boolean remove(String path) throws ResourceException {
return this.mountPoint.getChild(path).delete();
}
}