Migrate SMB extension project to respective module

* Removed deprecated replaceFile and useTempFile session configs
* Refactored to use AssertJ instead of JUnit asserts as per PR feedback
* Code clean up for SMB module

build.gradle

@@ -70,6 +70,7 @@ ext {
     h2Version = '2.1.210'
     jacksonVersion = '2.13.2'
     jaxbVersion = '3.0.2'
+    jcifsVersion = '2.1.29'
     jeroMqVersion = '0.5.2'
     jmsApiVersion = '3.0.0'
     jpaApiVersion = '3.0.2'
@@ -874,6 +875,16 @@ project('spring-integration-sftp') {
     }
 }
 
+project('spring-integration-smb') {
+    description = 'Spring Integration SMB Support'
+    dependencies {
+        api project(':spring-integration-file')
+        api "org.codelibs:jcifs:$jcifsVersion"
+
+        testImplementation project(':spring-integration-file').sourceSets.test.output
+    }
+}
+
 project('spring-integration-stomp') {
     description = 'Spring Integration STOMP Support'
     dependencies {

spring-integration-smb/src/main/java/org/springframework/integration/smb/config/SmbInboundChannelAdapterParser.java

@@ -0,0 +1,65 @@
+/*
+ * Copyright 2012-2022 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
+ *
+ *      https://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.smb.config;
+
+import org.springframework.integration.file.config.AbstractRemoteFileInboundChannelAdapterParser;
+import org.springframework.integration.file.filters.AbstractPersistentAcceptOnceFileListFilter;
+import org.springframework.integration.file.filters.FileListFilter;
+import org.springframework.integration.file.remote.synchronizer.InboundFileSynchronizer;
+import org.springframework.integration.smb.filters.SmbPersistentAcceptOnceFileListFilter;
+import org.springframework.integration.smb.filters.SmbRegexPatternFileListFilter;
+import org.springframework.integration.smb.filters.SmbSimplePatternFileListFilter;
+import org.springframework.integration.smb.inbound.SmbInboundFileSynchronizer;
+import org.springframework.integration.smb.inbound.SmbInboundFileSynchronizingMessageSource;
+
+/**
+ * Parser for the SMB 'inbound-channel-adapter' element.
+ *
+ * @author Markus Spann
+ * @author Artem Bilan
+ * @author Prafull Kumar Soni
+ *
+ * @since 6.0
+ */
+public class SmbInboundChannelAdapterParser extends AbstractRemoteFileInboundChannelAdapterParser {
+
+	@Override
+	protected String getMessageSourceClassname() {
+		return SmbInboundFileSynchronizingMessageSource.class.getName();
+	}
+
+	@Override
+	protected Class<? extends InboundFileSynchronizer> getInboundFileSynchronizerClass() {
+		return SmbInboundFileSynchronizer.class;
+	}
+
+	@Override
+	protected Class<? extends FileListFilter<?>> getSimplePatternFileListFilterClass() {
+		return SmbSimplePatternFileListFilter.class;
+	}
+
+	@Override
+	protected Class<? extends FileListFilter<?>> getRegexPatternFileListFilterClass() {
+		return SmbRegexPatternFileListFilter.class;
+	}
+
+	@Override
+	protected Class<? extends AbstractPersistentAcceptOnceFileListFilter<?>> getPersistentAcceptOnceFileListFilterClass() {
+		return SmbPersistentAcceptOnceFileListFilter.class;
+	}
+
+}

spring-integration-smb/src/main/java/org/springframework/integration/smb/config/SmbNamespaceHandler.java

@@ -0,0 +1,36 @@
+/*
+ * Copyright 2012-2022 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
+ *
+ *      https://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.smb.config;
+
+import org.springframework.integration.config.xml.AbstractIntegrationNamespaceHandler;
+
+/**
+ * Provides namespace support for using SMB.
+ *
+ * @author Markus Spann
+ * @author Artem Bilan
+ *
+ * @since 6.0
+ */
+public class SmbNamespaceHandler extends AbstractIntegrationNamespaceHandler {
+
+	public void init() {
+		registerBeanDefinitionParser("inbound-channel-adapter", new SmbInboundChannelAdapterParser());
+		registerBeanDefinitionParser("outbound-channel-adapter", new SmbOutboundChannelAdapterParser());
+	}
+
+}

spring-integration-smb/src/main/java/org/springframework/integration/smb/config/SmbOutboundChannelAdapterParser.java

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2017-2022 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
+ *
+ *      https://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.smb.config;
+
+import org.springframework.integration.file.config.RemoteFileOutboundChannelAdapterParser;
+import org.springframework.integration.file.remote.RemoteFileOperations;
+import org.springframework.integration.smb.session.SmbRemoteFileTemplate;
+
+/**
+ * The parser for {@code <Int-smb:outbound-channel-adapter>}.
+ *
+ * @author Artem Bilan
+ *
+ * @since 6.0
+ */
+public class SmbOutboundChannelAdapterParser extends RemoteFileOutboundChannelAdapterParser {
+
+	@Override
+	protected Class<? extends RemoteFileOperations<?>> getTemplateClass() {
+		return SmbRemoteFileTemplate.class;
+	}
+
+}

spring-integration-smb/src/main/java/org/springframework/integration/smb/config/package-info.java

@@ -0,0 +1,4 @@
+/**
+ * SMB-specific file list filter classes.
+ */
+package org.springframework.integration.smb.config;

spring-integration-smb/src/main/java/org/springframework/integration/smb/filters/SmbPersistentAcceptOnceFileListFilter.java

@@ -0,0 +1,48 @@
+/*
+ * Copyright 2018-2022 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
+ *
+ *      https://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.smb.filters;
+
+import org.springframework.integration.file.filters.AbstractPersistentAcceptOnceFileListFilter;
+import org.springframework.integration.metadata.ConcurrentMetadataStore;
+
+import jcifs.smb.SmbFile;
+
+/**
+ * Implementation of {@link AbstractPersistentAcceptOnceFileListFilter} for SMB.
+ *
+ * @author Prafull Kumar Soni
+ *
+ * @since 6.0
+ */
+public class SmbPersistentAcceptOnceFileListFilter extends AbstractPersistentAcceptOnceFileListFilter<SmbFile> {
+
+
+	public SmbPersistentAcceptOnceFileListFilter(ConcurrentMetadataStore store, String prefix) {
+		super(store, prefix);
+	}
+
+	@Override
+	protected long modified(SmbFile file) {
+		return file.getLastModified();
+	}
+
+	@Override
+	protected String fileName(SmbFile file) {
+		return file.getName();
+	}
+
+}

spring-integration-smb/src/main/java/org/springframework/integration/smb/filters/SmbRegexPatternFileListFilter.java

@@ -0,0 +1,66 @@
+/*
+ * Copyright 2012-2022 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
+ *
+ *      https://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.smb.filters;
+
+import java.io.UncheckedIOException;
+import java.util.regex.Pattern;
+
+import org.springframework.integration.file.filters.AbstractRegexPatternFileListFilter;
+
+import jcifs.smb.SmbException;
+import jcifs.smb.SmbFile;
+
+/**
+ * Implementation of {@link AbstractRegexPatternFileListFilter} for SMB.
+ *
+ * @author Markus Spann
+ * @author Prafull Kumar Soni
+ *
+ * @since 6.0
+ */
+public class SmbRegexPatternFileListFilter extends AbstractRegexPatternFileListFilter<SmbFile> {
+
+	public SmbRegexPatternFileListFilter(String pattern) {
+		this(Pattern.compile(pattern));
+	}
+
+	public SmbRegexPatternFileListFilter(Pattern pattern) {
+		super(pattern);
+	}
+
+	/**
+	 * Gets the specified SMB file's name.
+	 * @param file SMB file object
+	 * @return file name
+	 * @see AbstractRegexPatternFileListFilter#getFilename(java.lang.Object)
+	 */
+	@Override
+	protected String getFilename(SmbFile file) {
+		return (file != null ? file.getName() : null);
+	}
+
+	@Override
+	protected boolean isDirectory(SmbFile file) {
+		try {
+			return file.isDirectory();
+		}
+		catch (SmbException e) {
+			throw new UncheckedIOException(e);
+		}
+	}
+
+}

spring-integration-smb/src/main/java/org/springframework/integration/smb/filters/SmbSimplePatternFileListFilter.java

@@ -0,0 +1,62 @@
+/*
+ * Copyright 2018-2022 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
+ *
+ *      https://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.smb.filters;
+
+import java.io.UncheckedIOException;
+
+import org.springframework.integration.file.filters.AbstractSimplePatternFileListFilter;
+
+import jcifs.smb.SmbException;
+import jcifs.smb.SmbFile;
+
+/**
+ * Implementation of {@link AbstractSimplePatternFileListFilter} for SMB.
+ *
+ * @author Markus Spann
+ * @author Prafull Kumar Soni
+ *
+ * @since 6.0
+ */
+public class SmbSimplePatternFileListFilter extends AbstractSimplePatternFileListFilter<SmbFile> {
+
+	public SmbSimplePatternFileListFilter(String pathPattern) {
+		super(pathPattern);
+	}
+
+	/**
+	 * Gets the specified SMB file's name.
+	 * @param file SMB file object
+	 * @return file name
+	 * @see AbstractSimplePatternFileListFilter#getFilename(java.lang.Object)
+	 */
+	@Override
+	protected String getFilename(SmbFile file) {
+		return (file != null) ? file.getName() : null;
+	}
+
+
+	@Override
+	protected boolean isDirectory(SmbFile file) {
+		try {
+			return file.isDirectory();
+		}
+		catch (SmbException e) {
+			throw new UncheckedIOException(e);
+		}
+	}
+
+}