INT-1580 this is a beanfactory that knows how to factory an SSL XMPPConnection (as opposed to the regular XmppConnectionFactory)

spring-integration-xmpp/src/main/java/org/springframework/integration/xmpp/SslXmppConnectionFactory.java

@@ -0,0 +1,110 @@
+package org.springframework.integration.xmpp;
+
+import org.jivesoftware.smack.ConnectionConfiguration;
+
+import org.springframework.core.io.Resource;
+
+import org.springframework.util.Assert;
+import org.springframework.util.StringUtils;
+
+import javax.net.SocketFactory;
+import javax.net.ssl.SSLSocketFactory;
+
+
+/**
+ * An extension of {@link org.springframework.integration.xmpp.XmppConnectionFactory} that handles factorying a secure XMPP connection factory.
+ * <p/>
+ * This is interchangeable with existing {@link org.jivesoftware.smack.XMPPConnection} references, of course.
+ *
+ * @author Josh Long
+ */
+public class SslXmppConnectionFactory extends XmppConnectionFactory {
+    private volatile String trustStorePassword;
+    private volatile String trustStoreType;
+    private volatile Resource trustStore;
+    private volatile boolean securityEnabled = true ;
+    private volatile SocketFactory socketFactory;
+	private volatile ConnectionConfiguration.SecurityMode securityMode = ConnectionConfiguration.SecurityMode.enabled;
+
+	/**
+	 * This method is a callback provided by the super type that lets us plugin to the configuration mechanism
+	 *
+	 * @param connectionConfiguration the connection Configuration 
+	 * @throws Exception
+	 */
+
+    @Override
+    protected void setupConnectionConfiguration( ConnectionConfiguration connectionConfiguration)  throws Exception {
+
+		this.securityEnabled = securityMode != null &&
+				(ConnectionConfiguration.SecurityMode.enabled.equals(securityMode)||
+				ConnectionConfiguration.SecurityMode.required.equals(securityMode) );
+
+        if (this.securityEnabled) {
+            if (this.socketFactory == null) {
+                this.socketFactory = SSLSocketFactory.getDefault();
+            }
+
+            Assert.notNull(this.trustStore, "'trustStore' must not be null");
+
+			String trustStorePath = this.trustStore.toString();
+			connectionConfiguration.setTruststorePath( trustStorePath);
+
+			// not required
+			if(StringUtils.hasText( this.trustStorePassword))
+				connectionConfiguration.setTruststorePassword(this.trustStorePassword);
+
+			// not required
+			if(StringUtils.hasText(this.trustStoreType))
+				connectionConfiguration.setTruststoreType( this.trustStoreType);
+        }
+    }
+
+	/**
+	 * Not required. If not specified, we will load reference using {@link javax.net.ssl.SSLSocketFactory#getDefault()}
+	 *
+	 * @param socketFactory the socket factory to be passed to the {@link org.jivesoftware.smack.ConnectionConfiguration}
+	 *
+	 */
+    public void setSocketFactory(SocketFactory socketFactory) {
+        this.socketFactory = socketFactory;
+    }
+
+	/**
+	 * the password to use to access the trust store (optional)
+	 *
+	 * @param trustStorePassword
+	 */
+    public void setTrustStorePassword(String trustStorePassword) {
+        this.trustStorePassword = trustStorePassword;
+    }
+
+	/**
+	 * This is required and specifies the path to the keystore (ie: /path/to/foo.jks)
+	 *
+	 * @param trustStore a {@link org.springframework.core.io.Resource} to the path itself
+	 *
+	 */
+    public void setTrustStore(Resource trustStore) {
+        this.trustStore = trustStore;
+    }
+
+	/**
+	 * the type of trust store.
+	 *
+	 * @param trustStoreType the type of trust store
+	 */
+    public void setTrustStoreType(String trustStoreType) {
+        this.trustStoreType = trustStoreType;
+    }
+
+
+	/**
+	 * used on {@link org.jivesoftware.smack.ConnectionConfiguration#setSecurityMode(org.jivesoftware.smack.ConnectionConfiguration.SecurityMode)}
+	 *
+	 * basically, if you're using this class we assume you want security enabled. If you don't you can always override it by specifying {@link org.jivesoftware.smack.ConnectionConfiguration.SecurityMode#disabled}
+	 */
+	public void setSecurityMode(ConnectionConfiguration.SecurityMode securityMode) {
+		this.securityMode = securityMode;
+	}
+}

spring-integration-xmpp/src/main/java/org/springframework/integration/xmpp/XmppConnectionFactory.java

@@ -149,23 +149,49 @@ public class XmppConnectionFactory extends AbstractFactoryBean<XMPPConnection> {
 		this.subscriptionMode = subscriptionMode;
 	}
 
+
 	@Override
 	public Class<? extends XMPPConnection> getObjectType() {
 		return XMPPConnection.class;
 	}
 
-	private XMPPConnection configureAndConnect(String usr, String pw, String host, int port, String serviceName, String resource, String saslMechanismSupported, int saslMechanismSupportedIndex) {
+	/**
+	 * this provides a hook for subclasses to provide extra setup before the {@link org.jivesoftware.smack.XMPPConnection} is created
+	 *
+	 * @param xmppConnection the connection to configure
+	 * @throws Exception
+	 */
+	protected void setupXmppConnectionConfiguration(XMPPConnection xmppConnection) throws Exception {
+		// noop
+	}
+
+	/**
+	 * this provides a hook for subclasses to provide extra setup before the {@link org.jivesoftware.smack.ConnectionConfiguration} is created.
+	 *
+	 * @param connectionConfiguration
+	 * @throws Exception
+	 */
+	protected void setupConnectionConfiguration(ConnectionConfiguration connectionConfiguration) throws Exception {
+		// noop
+	}
+
+	protected XMPPConnection configureAndConnect(String usr, String pw, String host, int port, String serviceName, String resource, String saslMechanismSupported, int saslMechanismSupportedIndex) {
 		if (logger.isDebugEnabled()) {
 			logger.debug(String.format("usr=%s, pw=%s, host=%s, port=%s, serviceName=%s, resource=%s, saslMechanismSupported=%s, saslMechanismSupportedIndex=%s", usr, pw, host, port, serviceName,
 					resource, saslMechanismSupported, saslMechanismSupportedIndex));
 		}
 
-		XMPPConnection.DEBUG_ENABLED = false; // default
-
-		ConnectionConfiguration connectionConfiguration = new ConnectionConfiguration(host, port, serviceName);
-		XMPPConnection connection = new XMPPConnection(connectionConfiguration);
-
 		try {
+
+			XMPPConnection.DEBUG_ENABLED = false; // default
+
+			ConnectionConfiguration connectionConfiguration = new ConnectionConfiguration(host, port, serviceName);
+			setupConnectionConfiguration(connectionConfiguration);
+			XMPPConnection connection = new XMPPConnection(connectionConfiguration);
+
+
+			setupXmppConnectionConfiguration(connection);
+
 			connection.connect();
 
 			// You have to put this code before you login
@@ -173,6 +199,7 @@ public class XmppConnectionFactory extends AbstractFactoryBean<XMPPConnection> {
 				SASLAuthentication.supportSASLMechanism(saslMechanismSupported, saslMechanismSupportedIndex);
 			}
 
+
 			// You have to specify the resoure (e.g. "@host.com") at the end
 			if (StringUtils.hasText(resource)) {
 				connection.login(usr, pw, resource);
@@ -188,11 +215,12 @@ public class XmppConnectionFactory extends AbstractFactoryBean<XMPPConnection> {
 			if (logger.isDebugEnabled()) {
 				logger.debug("authenticated? " + connection.isAuthenticated());
 			}
+
+			return connection;
 		} catch (Exception e) {
 			logger.warn("failed to establish XMPP connnection", e);
 		}
-
-		return connection;
+		return null;
 	}