org.springframework.integration.ftp.filters.FtpPersistentAcceptOnceFileListFilter.java Source code

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Here is the source code for org.springframework.integration.ftp.filters.FtpPersistentAcceptOnceFileListFilter.java

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/*
 * 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();
    }

}