01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package org.apache.commons.vfs.provider.ftp;
18:
19: import org.apache.commons.net.ftp.FTPFile;
20: import org.apache.commons.vfs.FileSystemException;
21:
22: import java.io.IOException;
23: import java.io.InputStream;
24: import java.io.OutputStream;
25:
26: /**
27: * What VFS expects from an ftp client to provide.
28: */
29: public interface FtpClient {
30: boolean isConnected() throws FileSystemException;
31:
32: void disconnect() throws IOException;
33:
34: FTPFile[] listFiles(String relPath) throws IOException;
35:
36: boolean removeDirectory(String relPath) throws IOException;
37:
38: boolean deleteFile(String relPath) throws IOException;
39:
40: boolean rename(String oldName, String newName) throws IOException;
41:
42: boolean makeDirectory(String relPath) throws IOException;
43:
44: boolean completePendingCommand() throws IOException;
45:
46: InputStream retrieveFileStream(String relPath) throws IOException;
47:
48: InputStream retrieveFileStream(String relPath, long restartOffset)
49: throws IOException;
50:
51: OutputStream appendFileStream(String relPath) throws IOException;
52:
53: OutputStream storeFileStream(String relPath) throws IOException;
54:
55: public boolean abort() throws IOException;
56:
57: public String getReplyString() throws IOException;
58: }
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