/*
* Copyright 2014-2017 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.sftp.dsl;
import java.io.File;
import java.util.Comparator;
import org.springframework.integration.file.dsl.RemoteFileInboundChannelAdapterSpec;
import org.springframework.integration.file.filters.CompositeFileListFilter;
import org.springframework.integration.file.filters.FileListFilter;
import org.springframework.integration.file.remote.session.SessionFactory;
import org.springframework.integration.metadata.SimpleMetadataStore;
import org.springframework.integration.sftp.filters.SftpPersistentAcceptOnceFileListFilter;
import org.springframework.integration.sftp.filters.SftpRegexPatternFileListFilter;
import org.springframework.integration.sftp.filters.SftpSimplePatternFileListFilter;
import org.springframework.integration.sftp.inbound.SftpInboundFileSynchronizer;
import org.springframework.integration.sftp.inbound.SftpInboundFileSynchronizingMessageSource;
import com.jcraft.jsch.ChannelSftp;
/**
* A {@link RemoteFileInboundChannelAdapterSpec} for a {@link SftpInboundFileSynchronizingMessageSource}.
*
* @author Artem Bilan
* @since 5.0
*/
public class SftpInboundChannelAdapterSpec
extends RemoteFileInboundChannelAdapterSpec<ChannelSftp.LsEntry, SftpInboundChannelAdapterSpec,
SftpInboundFileSynchronizingMessageSource> {
SftpInboundChannelAdapterSpec(SessionFactory<ChannelSftp.LsEntry> sessionFactory, Comparator<File> comparator) {
super(new SftpInboundFileSynchronizer(sessionFactory));
this.target = new SftpInboundFileSynchronizingMessageSource(this.synchronizer, comparator);
}
/**
* @param pattern the Ant style pattern filter to use.
* @see SftpSimplePatternFileListFilter
* @see #filter(org.springframework.integration.file.filters.FileListFilter)
*/
@Override
public SftpInboundChannelAdapterSpec patternFilter(String pattern) {
return filter(composeFilters(new SftpSimplePatternFileListFilter(pattern)));
}
/**
* @param regex the RegExp pattern to use.
* @see SftpRegexPatternFileListFilter
* @see #filter(org.springframework.integration.file.filters.FileListFilter)
*/
@Override
public SftpInboundChannelAdapterSpec regexFilter(String regex) {
return filter(composeFilters(new SftpRegexPatternFileListFilter(regex)));
}
@SuppressWarnings("unchecked")
private CompositeFileListFilter<ChannelSftp.LsEntry> composeFilters(FileListFilter<ChannelSftp.LsEntry>
fileListFilter) {
CompositeFileListFilter<ChannelSftp.LsEntry> compositeFileListFilter = new CompositeFileListFilter<>();
compositeFileListFilter.addFilters(fileListFilter,
new SftpPersistentAcceptOnceFileListFilter(new SimpleMetadataStore(), "sftpMessageSource"));
return compositeFileListFilter;
}
}