/* * Copyright 2013-2016 the original author or authors. * * 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.springframework.integration.ftp.filters; import org.apache.commons.net.ftp.FTPFile; import org.springframework.integration.file.filters.AbstractPersistentAcceptOnceFileListFilter; import org.springframework.integration.metadata.ConcurrentMetadataStore; /** * Persistent file list filter using the server's file timestamp to detect if we've already * 'seen' this file. * * @author Gary Russell * @since 3.0 * */ public class FtpPersistentAcceptOnceFileListFilter extends AbstractPersistentAcceptOnceFileListFilter<FTPFile> { public FtpPersistentAcceptOnceFileListFilter(ConcurrentMetadataStore store, String prefix) { super(store, prefix); } @Override protected long modified(FTPFile file) { return file.getTimestamp().getTimeInMillis(); } @Override protected String fileName(FTPFile file) { return file.getName(); } }