/*
* Copyright 2012 jMethods, Inc.
*
* 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 com.myjavaworld.jftp.actions;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import com.myjavaworld.jftp.FTPSession;
import com.myjavaworld.jftp.JFTP;
/**
* An implementation of <code>Action</code> interface used by the Upload menu
* item and tool bar button.
*
* @author Sai Pullabhotla, psai [at] jMethods [dot] com
* @version 2.0
*
*/
public class UploadAction implements ActionListener {
private JFTP jftp = null;
private static UploadAction instance = null;
private UploadAction(JFTP jftp) {
super();
this.jftp = jftp;
}
public static synchronized UploadAction getInstance(JFTP jftp) {
if (instance == null) {
if (instance == null) {
instance = new UploadAction(jftp);
}
}
return instance;
}
public void actionPerformed(ActionEvent evt) {
FTPSession session = jftp.getCurrentSession();
if (session == null || !session.isConnected()) {
return;
}
session.upload();
}
}