INT-1909 added support for injecting JschSession with Properties configuration (e.g., session.setConfig(Properties) )

spring-integration-sftp/src/main/java/org/springframework/integration/sftp/session/DefaultSftpSessionFactory.java

@@ -16,6 +16,8 @@
 
 package org.springframework.integration.sftp.session;
 
+import java.util.Properties;
+
 import org.springframework.core.io.Resource;
 import org.springframework.integration.file.remote.session.Session;
 import org.springframework.integration.file.remote.session.SessionFactory;
@@ -48,11 +50,13 @@ public class DefaultSftpSessionFactory implements SessionFactory {
 	private volatile Resource privateKey;
 
 	private volatile String privateKeyPassphrase;
+	
+	private volatile Properties sessionConfig;
 
 	private final JSch jsch = new JSch();
 
 
-	public void setHost(String host) {
+	public void setHost(String host) {	
 		this.host = host;
 	}
 
@@ -79,6 +83,10 @@ public class DefaultSftpSessionFactory implements SessionFactory {
 	public void setPrivateKeyPassphrase(String privateKeyPassphrase) {
 		this.privateKeyPassphrase = privateKeyPassphrase;
 	}
+	
+	public void setSessionConfig(Properties sessionConfig) {
+		this.sessionConfig = sessionConfig;
+	}
 
 	public Session getSession() {
 		Assert.hasText(this.host, "host must not be empty");
@@ -118,6 +126,9 @@ public class DefaultSftpSessionFactory implements SessionFactory {
 			}
 		}
 		com.jcraft.jsch.Session jschSession = this.jsch.getSession(this.user, this.host, this.port);
+		if (this.sessionConfig != null){
+			jschSession.setConfig(this.sessionConfig);
+		}		
 		if (StringUtils.hasText(this.password)) {
 			jschSession.setPassword(this.password);
 		}

spring-integration-sftp/src/test/java/org/springframework/integration/sftp/config/InboundChannelAdapterParserCachingTests-context.xml

@@ -29,8 +29,12 @@
 		<beans:property name="password" value="hello"/>
 		<beans:property name="port" value="2222"/>
 		<beans:property name="user" value="oleg"/>
+		<beans:property name="sessionConfig" ref="sessionConfig"/>
 	</beans:bean>
 
+	<util:properties id="sessionConfig">
+		<beans:prop key="StrictHostKeyChecking">no</beans:prop>
+	</util:properties>
 	<sftp:inbound-channel-adapter id="defaultAdapter"
 			session-factory="sftpSessionFactory"
 			channel="requestChannel"

spring-integration-sftp/src/test/java/org/springframework/integration/sftp/config/InboundChannelAdapterParserCachingTests.java

@@ -16,8 +16,11 @@
 
 package org.springframework.integration.sftp.config;
 
+import static junit.framework.Assert.assertNotNull;
 import static org.junit.Assert.assertEquals;
 
+import java.util.Properties;
+
 import org.junit.Test;
 import org.junit.runner.RunWith;
 
@@ -40,12 +43,15 @@ public class InboundChannelAdapterParserCachingTests {
 	@Autowired private Object cachingAdapter;
 
 	@Autowired private Object nonCachingAdapter;
-
+	
 
 	@Test
 	public void defaultAdapter() {
 		Object sessionFactory = TestUtils.getPropertyValue(defaultAdapter, "source.synchronizer.sessionFactory");
 		assertEquals(CachingSessionFactory.class, sessionFactory.getClass());
+		Properties sessionConfig = TestUtils.getPropertyValue(sessionFactory, "sessionFactory.sessionConfig", Properties.class);
+		assertNotNull(sessionConfig);
+		assertEquals("no", sessionConfig.getProperty("StrictHostKeyChecking"));
 	}
 
 	@Test