01: /*
02: * ChainBuilder ESB
03: * Visual Enterprise Integration
04: *
05: * Copyright (C) 2006 Bostech Corporation
06: *
07: * This program is free software; you can redistribute it and/or modify
08: * it under the terms of the GNU General Public License as published by
09: * the Free Software Foundation; either version 2 of the License, or
10: * (at your option) any later version.
11: *
12: * This program is distributed in the hope that it will be useful,
13: * but WITHOUT ANY WARRANTY; without even the implied warranty of
14: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15: * General Public License for more details.
16: *
17: * You should have received a copy of the GNU General Public License
18: * along with this program; if not, write to the Free Software
19: * Foundation, Inc.,59 Temple Place, Suite 330, Boston, MA 02111-1307
20: * USA
21: *
22: *
23: * $Id: Logout.java 11093 2007-12-21 18:22:22Z mpreston $
24: */
25: package com.bostechcorp.cbesb.runtime.ftp.interpreter;
26:
27: import java.io.IOException;
28: import java.util.Map;
29:
30: import org.apache.commons.logging.Log;
31: import org.apache.commons.logging.LogFactory;
32: import org.apache.commons.net.ftp.FTPClient;
33:
34: /**
35: * Logs out from an FTP server.
36: *
37: * @author j.zhang
38: * @version 1.0.0
39: */
40: public class Logout extends AbstractCommandExpression {
41:
42: protected final transient Log logger = LogFactory
43: .getLog(getClass());
44:
45: @Override
46: /* (non-Javadoc)
47: * @see com.bostechcorp.cbesb.runtime.ftp.AbstractCommandExpression#interpret(java.util.Map)
48: */
49: public void interpret(Map<String, String> paramMap) {
50: }
51:
52: @Override
53: /* (non-Javadoc)
54: * @see com.bostechcorp.cbesb.runtime.ftp.AbstractCommandExpression#execute(org.apache.commons.net.ftp.FTPClient)
55: */
56: public Object execute(FtpExecContext context) {
57: FTPClient ftp = context.getFtpclient();
58: logger.debug("logout:");
59: boolean logoutFlag = false;
60: try {
61: logoutFlag = ftp.logout();
62: if (!logoutFlag) {
63: throw new Exception("Logout failed!");
64: }
65: } catch (IOException ioe) {
66: // ioe.printStackTrace();
67: return ioe;
68: } catch (Exception e) {
69: // e.printStackTrace();
70: return e;
71: }
72: return true;
73: }
74: }
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