Java tutorial
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(By way * of non-limiting example, you will not contribute any code obtained by you under the GNU General Public License or other * so-called "reciprocal" license.) *******************************************************************************/ package edu.stanford.epad.common.util; import java.io.BufferedOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileOutputStream; import java.io.InputStream; import java.io.OutputStream; import org.apache.commons.io.IOUtils; import org.apache.commons.net.ftp.FTP; import org.apache.commons.net.ftp.FTPClient; import org.apache.commons.net.ftp.FTPReply; public class FTPUtil { private String ftpHost; private String ftpUser; private String ftpPassword; private String ftpFolder; private int ftpPort = 21; public FTPUtil(String ftpHost, String ftpUser, String ftpPassword) { super(); this.ftpHost = ftpHost; this.ftpUser = ftpUser; this.ftpPassword = ftpPassword; } public FTPUtil(String ftpHost, String ftpUser, String ftpPassword, int ftpPort) { super(); this.ftpHost = ftpHost; this.ftpUser = ftpUser; this.ftpPassword = ftpPassword; this.ftpPort = ftpPort; } public void getFile(String remoteFile, File localFile) throws Exception { FTPClient ftpClient = new FTPClient(); OutputStream outputStream = null; try { ftpClient.connect(ftpHost, ftpPort); ftpClient.enterLocalPassiveMode(); if (ftpUser != null && ftpUser.length() > 0) ftpClient.login(ftpUser, ftpPassword); else ftpClient.login("anonymous", ""); ftpClient.setFileType(FTP.BINARY_FILE_TYPE); outputStream = new BufferedOutputStream(new FileOutputStream(localFile)); InputStream inputStream = ftpClient.retrieveFileStream(remoteFile); IOUtils.copy(inputStream, outputStream); outputStream.flush(); IOUtils.closeQuietly(outputStream); IOUtils.closeQuietly(inputStream); boolean commandOK = ftpClient.completePendingCommand(); //boolean success = ftpClient.retrieveFile(remoteFile, outputStream); //if (!success) { // throw new Exception("Error retrieving remote file: " + remoteFile); //} } finally { outputStream.close(); ftpClient.disconnect(); } } public boolean sendFile(String filePath, boolean delete) throws Exception { String fileName = filePath; int slash = fileName.lastIndexOf("/"); if (slash != -1) fileName = fileName.substring(slash + 1); slash = fileName.lastIndexOf("\\"); if (slash != -1) fileName = fileName.substring(slash + 1); boolean success = true; FTPClient ftp = new FTPClient(); try { ftp.connect(ftpHost, ftpPort); int reply = ftp.getReplyCode(); if (FTPReply.isPositiveCompletion(reply)) { if (ftp.login(ftpUser, ftpPassword)) { if (ftpFolder != null && ftpFolder.trim().length() > 0) { ftp.cwd(ftpFolder); System.out.print("ftp cd: " + ftp.getReplyString()); } ftp.setFileType(FTP.ASCII_FILE_TYPE); FileInputStream in = new FileInputStream(filePath); success = ftp.storeFile(fileName, in); in.close(); if (delete) { File file = new File(filePath); file.delete(); } } else success = false; } } finally { ftp.disconnect(); } return success; } }