Java tutorial
/* * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. * The ASF licenses this file to You 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.apache.tools.ant.taskdefs.optional.net; import org.apache.commons.net.ftp.FTPClient; import org.apache.commons.net.ftp.FTPClientConfig; import org.apache.tools.ant.BuildException; import org.apache.tools.ant.Project; /** * The sole purpose of this class is (note that it is package-private * is to serve as a separate, static compilation unit for importing * FTPClientConfig, to enable users who wish to use the FTP task * without using its new features to avoid the need to * upgrade to jakarta-commons-net 1.4.0, where FTPClientConfig was * introduced. */ // CheckStyle:HideUtilityClassConstructorCheck OFF (bc) class FTPConfigurator { /** * configures the supplied FTPClient with the various * attributes set in the supplied FTP task. * @param client the FTPClient to be configured * @param task the FTP task whose attributes are used to * configure the client * @return the client as configured. */ static FTPClient configure(FTPClient client, FTPTaskConfig task) { task.log("custom configuration", Project.MSG_VERBOSE); FTPClientConfig config; String systemTypeKey = task.getSystemTypeKey(); if (systemTypeKey != null && !"".equals(systemTypeKey)) { config = new FTPClientConfig(systemTypeKey); task.log("custom config: system key = " + systemTypeKey, Project.MSG_VERBOSE); } else { config = new FTPClientConfig(); task.log("custom config: system key = default (UNIX)", Project.MSG_VERBOSE); } String defaultDateFormatConfig = task.getDefaultDateFormatConfig(); if (defaultDateFormatConfig != null) { config.setDefaultDateFormatStr(defaultDateFormatConfig); task.log("custom config: default date format = " + defaultDateFormatConfig, Project.MSG_VERBOSE); } String recentDateFormatConfig = task.getRecentDateFormatConfig(); if (recentDateFormatConfig != null) { config.setRecentDateFormatStr(recentDateFormatConfig); task.log("custom config: recent date format = " + recentDateFormatConfig, Project.MSG_VERBOSE); } String serverLanguageCodeConfig = task.getServerLanguageCodeConfig(); if (serverLanguageCodeConfig != null) { if (!"".equals(serverLanguageCodeConfig) && !FTPClientConfig.getSupportedLanguageCodes().contains(serverLanguageCodeConfig)) { throw new BuildException("unsupported language code" + serverLanguageCodeConfig); } config.setServerLanguageCode(serverLanguageCodeConfig); task.log("custom config: server language code = " + serverLanguageCodeConfig, Project.MSG_VERBOSE); } String serverTimeZoneConfig = task.getServerTimeZoneConfig(); if (serverTimeZoneConfig != null) { config.setServerTimeZoneId(serverTimeZoneConfig); task.log("custom config: server time zone ID = " + serverTimeZoneConfig, Project.MSG_VERBOSE); } String shortMonthNamesConfig = task.getShortMonthNamesConfig(); if (shortMonthNamesConfig != null) { config.setShortMonthNames(shortMonthNamesConfig); task.log("custom config: short month names = " + shortMonthNamesConfig, Project.MSG_VERBOSE); } client.configure(config); return client; } }