223 lines
8.6 KiB
Java
223 lines
8.6 KiB
Java
/*******************************************************************************
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* Imixs Workflow Technology
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* Copyright (C) 2001, 2008 Imixs Software Solutions GmbH,
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* http://www.imixs.com
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You can receive a copy of the GNU General Public
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* License at http://www.gnu.org/licenses/gpl.html
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*
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* Contributors:
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* Imixs Software Solutions GmbH - initial API and implementation
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* Ralph Soika
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*******************************************************************************/
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package com.alexanderlogistics;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.util.Optional;
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import java.util.logging.Logger;
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import org.apache.commons.compress.archivers.ArchiveException;
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import org.apache.commons.net.ftp.FTP;
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import org.apache.commons.net.ftp.FTPClient;
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import org.apache.commons.net.ftp.FTPSClient;
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import org.eclipse.microprofile.config.inject.ConfigProperty;
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import org.imixs.workflow.FileData;
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import org.imixs.workflow.exceptions.PluginException;
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import jakarta.ejb.Stateless;
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import jakarta.inject.Inject;
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/**
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* The FTPConnector service provides methods to push invoices to cargosoft
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*
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* @version 1.0
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* @author rsoika
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*/
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@Stateless
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public class FTPConnector {
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public static final String FTP_ERROR = "FTP_ERROR";
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public static final String ENV_EXPORT_FTP_HOST = "cargosoft.export.ftp.host";
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public static final String ENV_EXPORT_FTP_PATH = "cargosoft.export.ftp.path";
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public static final String ENV_EXPORT_FTP_PORT = "cargosoft.export.ftp.port";
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public static final String ENV_EXPORT_FTP_USER = "cargosoft.export.ftp.user";
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public static final String ENV_EXPORT_FTP_PASSWORD = "cargosoft.export.ftp.password";
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public static final String ENV_EXPORT_FTP_MAX_ATTACHMENT_SIZED = "cargosoft.export.ftp.maxattachmentsize";
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private static Logger logger = Logger.getLogger(FTPConnector.class.getName());
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@Inject
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@ConfigProperty(name = ENV_EXPORT_FTP_HOST)
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Optional<String> ftpServer;
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@Inject
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@ConfigProperty(name = ENV_EXPORT_FTP_PATH)
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Optional<String> ftpPath;
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@Inject
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@ConfigProperty(name = ENV_EXPORT_FTP_PORT, defaultValue = "21")
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Optional<Integer> ftpPort;
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@Inject
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@ConfigProperty(name = ENV_EXPORT_FTP_USER)
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Optional<String> ftpUser;
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@Inject
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@ConfigProperty(name = ENV_EXPORT_FTP_PASSWORD)
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Optional<String> ftpPassword;
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/**
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* This method transfers a snapshot to a ftp server.
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*
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* @param fileData object
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* @throws PluginException
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*/
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public void put(FileData fileData) throws PluginException {
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if (!ftpServer.isPresent()) {
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throw new PluginException(CargosoftExportAdapter.class.getSimpleName(), FTP_ERROR,
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"FTP file transfer failed: no ftp host name provided (" + ENV_EXPORT_FTP_HOST + ")!");
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}
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String fileName = fileData.getName();
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// Compute file path
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String ftpWorkingPath = ftpPath.get();
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if (!ftpWorkingPath.startsWith("/")) {
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ftpWorkingPath = "/" + ftpWorkingPath;
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}
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if (!ftpWorkingPath.endsWith("/")) {
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ftpWorkingPath = ftpWorkingPath + "/";
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}
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InputStream writer = null;
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FTPClient ftpClient = null;
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try {
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logger.finest("......put " + fileName + " to FTP server: " + ftpServer + "...");
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ftpClient = new FTPSClient("TLS", false);
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ftpClient.setBufferSize(8192);
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ftpClient.connect(ftpServer.get(), ftpPort.get().intValue());
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if (ftpClient.login(ftpUser.get(), ftpPassword.get()) == false) {
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throw new PluginException(CargosoftExportAdapter.class.getSimpleName(), FTP_ERROR,
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"FTP file transfer failed: login failed!");
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}
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ftpClient.enterLocalPassiveMode();
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ftpClient.setFileType(FTP.ASCII_FILE_TYPE);
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ftpClient.setControlEncoding("UTF-8");
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// verify directories
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if (!ftpClient.changeWorkingDirectory(ftpWorkingPath)) {
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throw new PluginException(CargosoftExportAdapter.class.getSimpleName(), FTP_ERROR,
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"FTP file transfer failed: missing working directory '" + ftpWorkingPath + "' : "
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+ ftpClient.getReplyString());
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}
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// upload file to FTP server.
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writer = new ByteArrayInputStream(fileData.getContent());
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if (!ftpClient.storeFile(fileName, writer)) {
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throw new PluginException(CargosoftExportAdapter.class.getSimpleName(), FTP_ERROR,
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"FTP file transfer failed: unable to write '" + ftpWorkingPath + fileName + "' : "
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+ ftpClient.getReplyString());
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}
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logger.finest("...." + ftpWorkingPath + fileName + " transfered successfull to " + ftpServer);
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} catch (IOException e) {
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throw new PluginException(CargosoftExportAdapter.class.getSimpleName(), FTP_ERROR,
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"FTP file transfer failed: " + e.getMessage(), e);
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} finally {
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// do logout....
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try {
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if (writer != null) {
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writer.close();
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}
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ftpClient.logout();
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ftpClient.disconnect();
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} catch (IOException e) {
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throw new PluginException(CargosoftExportAdapter.class.getSimpleName(), FTP_ERROR,
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"FTP file transfer failed: " + e.getMessage(), e);
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}
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}
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}
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/**
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* This method reads data form the current working directory
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*
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* @param snapshot
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* @throws ArchiveException
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* @return data
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*/
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public byte[] get(FTPClient ftpClient, String fileName) throws PluginException {
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if (ftpClient == null) {
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throw new PluginException(CargosoftExportAdapter.class.getSimpleName(), FTP_ERROR,
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"FTP file transfer failed: no ftpClient provided!");
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}
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long l = System.currentTimeMillis();
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ByteArrayOutputStream bos = null;
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try {
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bos = new ByteArrayOutputStream();
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ftpClient.retrieveFile(fileName, bos);
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byte[] result = bos.toByteArray();
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logger.finest("......" + fileName + " transfered successfull from " + ftpServer + " in "
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+ (System.currentTimeMillis() - l) + "ms");
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return result;
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} catch (IOException e) {
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throw new PluginException(CargosoftExportAdapter.class.getSimpleName(), FTP_ERROR,
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"FTP file transfer failed: " + e.getMessage(), e);
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} finally {
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// do logout....
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try {
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if (bos != null) {
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bos.close();
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}
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} catch (IOException e) {
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throw new PluginException(CargosoftExportAdapter.class.getSimpleName(), FTP_ERROR,
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"FTP file transfer failed: " + e.getMessage(), e);
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}
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}
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}
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/**
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* This method changes the current working sub-directy. If no corresponding
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* directory exits the method creats one.
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*
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* @throws ArchiveException
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*/
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@SuppressWarnings("unused")
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private void changeWorkingDirectory(FTPClient ftpClient, String subDirectory) throws PluginException {
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// test if we have the subdreictory
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try {
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if (!ftpClient.changeWorkingDirectory(subDirectory)) {
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// try to creat it....
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if (!ftpClient.makeDirectory(subDirectory)) {
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throw new PluginException(CargosoftExportAdapter.class.getSimpleName(), FTP_ERROR,
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"FTP Error: unable to create sub-directory '" + subDirectory + "' : "
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+ ftpClient.getReplyString());
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}
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ftpClient.changeWorkingDirectory(subDirectory);
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}
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} catch (IOException e) {
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throw new PluginException(CargosoftExportAdapter.class.getSimpleName(), FTP_ERROR,
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"FTP file transfer failed: " + e.getMessage(), e);
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}
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}
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}
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