<dependency>
    <groupId>org.springframework.integration</groupId>
    <artifactId>spring-integration-smb</artifactId>
    <version>1.2.0.RELEASE</version>
</dependency>

Changes

Version 1.1

Updated to use the latest version of the JCIFS library
SMB2 (2.02 protocol level) support, some SMB3 support

Version 1.2

Ability to set the SMB min/max versions in the SmbSessionFactory via configuration in the JCIFS library
Ability to use a custom implementation of the jcifs.CIFSContext interface in the SmbSessionFactory

Overview

The Java CIFS Client Library has been chosen as a Java implementation for the CIFS/SMB networking protocol. Its SmbFile abstraction is simply wrapped to the Spring Integration "Remote File" foundations like SmbSession, SmbRemoteFileTemplate, etc.

The SMB Channel Adapters and support classes implementations are fully similar to existing components for (S)FTP or AWS S3 protocols. So, if you familiar with those components, it is pretty straightforward to use this extension. But any way here are several words about existing components:

SMB Inbound Channel Adapter

To download SMB files locally the SmbInboundFileSynchronizingMessageSource is provided. It is simple extension of the AbstractInboundFileSynchronizingMessageSource which requires SmbInboundFileSynchronizer injection. For filtering remote files you still can use any existing FileListFilter implementations, but particular SmbRegexPatternFileListFilter and SmbSimplePatternFileListFilter are provided. For XML configuration the <int-smb:inbound-channel-adapter> component is provided.

SMB Outbound Channel Adapter

There is no (yet) some SMB specific requirements for files transferring to SMB, so for XML <int-smb:outbound-channel-adapter> component we simply reuse an existing FileTransferringMessageHandler. In case of Java configuration that FileTransferringMessageHandler should be supplied with the SmbSessionFactory (or SmbRemoteFileTemplate).

@ServiceActivator(inputChannel = "storeToSmb")
@Bean
public MessageHandler smbMessageHandler(SmbSessionFactory smbSessionFactory) {
    FileTransferringMessageHandler<SmbFile> handler =
                new FileTransferringMessageHandler<>(smbSessionFactory);
    handler.setRemoteDirectoryExpression(
                new LiteralExpression("remote-target-dir"));
    handler.setFileNameGenerator(m ->
                m.getHeaders().get(FileHeaders.FILENAME, String.class) + ".test");
    handler.setAutoCreateDirectory(true);
    return handler;
}

Setting SMB Protocol Min/Max Versions

Example: To set a minimum version of SMB 2.1 and a maximum version of SMB 3.1.1

@Bean
public SmbSessionFactory smbSessionFactory() {
    SmbSessionFactory smbSession = new SmbSessionFactory();
    smbSession.setHost("myHost");
    smbSession.setPort(445);
    smbSession.setDomain("myDomain");
    smbSession.setUsername("myUser");
    smbSession.setPassword("myPassword");
    smbSession.setShareAndDir("myShareAndDir");
    smbSession.setSmbMinVersion(DialectVersion.SMB210);
    smbSession.setSmbMaxVersion(DialectVersion.SMB311);
    return smbSession;
}

Intializing SmbSessionFactory with a custom implementation of the jcifs.CIFSContext interface

NOTE: Setting of the SMB protocol min/max versions must be done in your implementation of jcifs.CIFSContext

@Bean
public SmbSessionFactory smbSessionFactory() {
    SmbSessionFactory smbSession = new SmbSessionFactory(new MyCIFSContext());
    smbSession.setHost("myHost");
    smbSession.setPort(445);
    smbSession.setDomain("myDomain");
    smbSession.setUsername("myUser");
    smbSession.setPassword("myPassword");
    smbSession.setShareAndDir("myShareAndDir");
    return smbSession;
}