com.sos.VirtualFileSystem.FTPS.SOSVfsFtpS.java Source code

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Here is the source code for com.sos.VirtualFileSystem.FTPS.SOSVfsFtpS.java

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/**
 * Copyright (C) 2014 BigLoupe http://bigloupe.github.io/SoS-JobScheduler/
 *
 * 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
 */
/********************************************************* begin of preamble
**
** Copyright (C) 2003-2012 Software- und Organisations-Service GmbH. 
** All rights reserved.
**
** This file may be used under the terms of either the 
**
**   GNU General Public License version 2.0 (GPL)
**
**   as published by the Free Software Foundation
**   http://www.gnu.org/licenses/gpl-2.0.txt and appearing in the file
**   LICENSE.GPL included in the packaging of this file. 
**
** or the
**  
**   Agreement for Purchase and Licensing
**
**   as offered by Software- und Organisations-Service GmbH
**   in the respective terms of supply that ship with this file.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
** IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
** THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
** PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
** BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
** CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
** SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
** INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
** CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
** ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
** POSSIBILITY OF SUCH DAMAGE.
********************************************************** end of preamble*/
package com.sos.VirtualFileSystem.FTPS;

import java.security.NoSuchAlgorithmException;

import org.apache.commons.net.ftp.FTPClientConfig;
import org.apache.commons.net.ftp.FTPSClient;
import org.apache.log4j.Logger;

import com.sos.JSHelper.Exceptions.JobSchedulerException;
import com.sos.VirtualFileSystem.FTP.SOSFtpClientLogger;
import com.sos.VirtualFileSystem.FTP.SOSVfsFtpBaseClass;
import com.sos.i18n.annotation.I18NResourceBundle;

@I18NResourceBundle(baseName = "SOSVirtualFileSystem", defaultLocale = "en")
public class SOSVfsFtpS extends SOSVfsFtpBaseClass {
    @SuppressWarnings("unused")
    private final String conClassName = this.getClass().getSimpleName();
    @SuppressWarnings("unused")
    private static final String conSVNVersion = "$Id: SOSVfsFtpS.java 20723 2013-07-18 18:19:56Z kb $";
    @SuppressWarnings("unused")
    private final Logger logger = Logger.getLogger(this.getClass());
    private FTPSClient objFTPClient = null;

    /**
     *
     * \brief SOSVfsFtpS
     *
     * \details
     *
     */
    public SOSVfsFtpS() {
    }

    public FTPSClient getClient() {
        return Client();
    }

    @Override
    protected FTPSClient Client() {
        if (objFTPClient == null) {
            try {
                String strProtocol = objConnection2Options.FtpS_protocol.Value();
                objFTPClient = new FTPSClient(strProtocol);
            } catch (NoSuchAlgorithmException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
                throw new JobSchedulerException("can not create FTPS-Client");
            }
            FTPClientConfig conf = new FTPClientConfig();
            //         conf.setServerLanguageCode("fr");
            //         objFTPClient.configure(conf);
            /**
             * This listener is to write all commands and response from commands to system.out
             *
             */
            objProtocolCommandListener = new SOSFtpClientLogger(HostID(""));
            // TODO create a hidden debug-option to activate this listener
            if (objConnection2Options != null) {
                if (objConnection2Options.ProtocolCommandListener.isTrue()) {
                    objFTPClient.addProtocolCommandListener(objProtocolCommandListener);
                }
            }

            String strAddFTPProtocol = System.getenv("AddFTPProtocol");
            if (strAddFTPProtocol != null && strAddFTPProtocol.equalsIgnoreCase("true")) {
                objFTPClient.addProtocolCommandListener(objProtocolCommandListener);
            }

        }
        return objFTPClient;
    }

    @Override
    public void connect(final String phost, final int pport) {
        try {
            if (isConnected() == false) {
                super.connect(phost, pport);

                /**
                 * PBSZ (protection buffer size) command, as detailed in [RFC-2228],
                 * is compulsory prior to any PROT command.
                 */
                Client().execPBSZ(0);
                LogReply();
                Client().execPROT("P"); // Secure Data channel, see http://www.faqs.org/rfcs/rfc2228.html
                LogReply();
                Client().enterLocalPassiveMode();
                LogReply();

            } else {
                logger.warn(SOSVfs_D_0102.params(host, port));
            }
        } catch (Exception e) {
            String strM = HostID("connect returns an exception");
            e.printStackTrace(System.err);
            logger.error(strM, e);
            // throw new RuntimeException(strM, e);
        }
    }

}