src/java/org/apache/commons/vfs/provider/ftp/FtpClient.java

/*
 * Copyright 2002-2005 The Apache Software Foundation.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.apache.commons.vfs.provider.ftp;

import org.apache.commons.net.ftp.FTPFile;
import org.apache.commons.vfs.FileSystemException;

import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;

/**
 * What VFS expects from an ftp client to provide.
 */
public interface FtpClient
{
    boolean isConnected() throws FileSystemException;

    void disconnect() throws IOException;

    FTPFile[] listFiles(String key, String relPath) throws IOException;

    boolean removeDirectory(String relPath) throws IOException;

    boolean deleteFile(String relPath) throws IOException;

    boolean rename(String oldName, String newName) throws IOException;

    boolean makeDirectory(String relPath) throws IOException;

    boolean completePendingCommand() throws IOException;

    InputStream retrieveFileStream(String relPath) throws IOException;
    InputStream retrieveFileStream(String relPath, long restartOffset) throws IOException;

    OutputStream appendFileStream(String relPath) throws IOException;

    OutputStream storeFileStream(String relPath) throws IOException;

    public boolean abort() throws IOException;
}