Java tutorial
/* * Copyright 2015 EMBL-European Bioinformatics Institute * * 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 org.ensembl.gti.seqstore.database.cramstore; import java.io.File; import java.io.FileInputStream; import java.io.IOException; import org.apache.commons.net.ftp.FTPClient; import org.slf4j.Logger; import org.slf4j.LoggerFactory; public class EnaCramUploader { private final Logger log = LoggerFactory.getLogger(this.getClass()); private final FTPClient ftpClient; private final String ftpUri; private final String user; private final String password; public EnaCramUploader(String ftpUri, String user, String password) { this.ftpUri = ftpUri; this.user = user; this.password = password; ftpClient = new FTPClient(); } protected File compressFile(File file) throws IOException, InterruptedException { File gzipFile = new File(file.getPath() + ".gz"); log.info("Compressing " + file.getPath() + " to " + gzipFile.getPath()); Process exec = Runtime.getRuntime().exec("gzip " + file.getPath()); exec.waitFor(); log.info("Completed compressing " + file.getPath() + " to " + gzipFile.getPath()); file.delete(); return gzipFile; } protected void uploadFile(File file) { log.info("Uploading file " + file); try { ftpClient.connect(ftpUri); ftpClient.login(user, password); ftpClient.mode(FTPClient.BINARY_FILE_TYPE); ftpClient.enterLocalPassiveMode(); ftpClient.storeFile(file.getName(), new FileInputStream(file)); ftpClient.disconnect(); } catch (IOException e) { e.printStackTrace(); } log.info("Completed uploading file " + file); } }