Spring Integration Reference Manual
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Spring Integration Reference Manual
Mark
Fisher
Marius
Bogoevici
Iwein
Fuld
Jonas
Partner
Oleg
Zhurakousky
Gary
Russell
Dave
Syer
Josh
Long
David
Turanski
Gunnar
Hillert
Artem
Bilan
2.1.6.RELEASE
© SpringSource Inc., 2012
Table of Contents
Preface
1. Code Conventions
I. What's new?
1. What's new in Spring Integration 2.1?
1.1. New Components
1.1.1. JSR-223 Scripting Support
1.1.2. GemFire Support
1.1.3. AMQP Support
1.1.4. MongoDB Support
1.1.5. Redis Support
1.1.6. Support for Spring's Resource abstraction
1.1.7. Stored Procedure Components
1.1.8. XPath and XML Validating Filter
1.1.9. Payload Enricher
1.1.10. FTP and SFTP Outbound Gateways
1.1.11. FTP Session Caching
1.2. Framework Refactoring
1.2.1. Standardizing Router Configuration
1.2.2. XML Schemas updated to 2.1
1.3. Source Control Management and Build Infrastructure
1.3.1. Source Code now hosted on Github
1.3.2. Improved Source Code Visibility with Sonar
1.4. New Samples
II. Overview of Spring Integration Framework
2. Spring Integration Overview
2.1. Background
2.2. Goals and Principles
2.3. Main Components
2.3.1. Message
2.3.2. Message Channel
2.3.3. Message Endpoint
2.4. Message Endpoints
2.4.1. Transformer
2.4.2. Filter
2.4.3. Router
2.4.4. Splitter
2.4.5. Aggregator
2.4.6. Service Activator
2.4.7. Channel Adapter
III. Core Messaging
3. Messaging Channels
3.1. Message Channels
3.1.1. The MessageChannel Interface
PollableChannel
SubscribableChannel
3.1.2. Message Channel Implementations
PublishSubscribeChannel
QueueChannel
PriorityChannel
RendezvousChannel
DirectChannel
ExecutorChannel
Scoped Channel
3.1.3. Channel Interceptors
3.1.4. MessagingTemplate
3.1.5. Configuring Message Channels
DirectChannel Configuration
Datatype Channel Configuration
QueueChannel Configuration
PublishSubscribeChannel Configuration
ExecutorChannel
PriorityChannel Configuration
RendezvousChannel Configuration
Scoped Channel Configuration
Channel Interceptor Configuration
Global Channel Interceptor
Wire Tap
Global Wire Tap Configuration
3.1.6. Special Channels
3.2. Poller (Polling Consumer)
3.3. Channel Adapter
3.3.1. Configuring Inbound Channel Adapter
3.3.2. Configuring Outbound Channel Adapter
3.4. Messaging Bridge
3.4.1. Introduction
3.4.2. Configuring Bridge
4. Message Construction
4.1. Message
4.1.1. The Message Interface
4.1.2. Message Headers
4.1.3. Message Implementations
4.1.4. The MessageBuilder Helper Class
5. Message Routing
5.1. Routers
5.1.1. Overview
5.1.2. Common Router Parameters
Inside and Outside of a Chain
Top-Level (Outside of a Chain)
5.1.3. Router Implementations
PayloadTypeRouter
HeaderValueRouter
RecipientListRouter
XPath Router
Routing and Error handling
5.1.4. Configuring (Generic) Router
Configuring a Content Based Router with XML
Configuring a Router with Annotations
5.1.5. Dynamic Routers
Manage Router Mappings using the Control Bus
Manage Router Mappings using JMX
5.2. Filter
5.2.1. Introduction
5.2.2. Configuring Filter
Configuring a Filter with XML
Configuring a Filter with Annotations
5.3. Splitter
5.3.1. Introduction
5.3.2. Programming model
5.3.3. Configuring Splitter
Configuring a Splitter using XML
Configuring a Splitter with Annotations
5.4. Aggregator
5.4.1. Introduction
5.4.2. Functionality
5.4.3. Programming model
AggregatingMessageHandler
ReleaseStrategy
CorrelationStrategy
5.4.4. Configuring Aggregator
Configuring an Aggregator with XML
Configuring an Aggregator with Annotations
5.4.5. Managing State in an Aggregator: MessageGroupStore
5.5. Resequencer
5.5.1. Introduction
5.5.2. Functionality
5.5.3. Configuring a Resequencer
5.6. Message Handler Chain
5.6.1. Introduction
5.6.2. Configuring Chain
6. Message Transformation
6.1. Transformer
6.1.1. Introduction
6.1.2. Configuring Transformer
Configuring Transformer with XML
Configuring a Transformer with Annotations
6.1.3. Header Filter
6.2. Content Enricher
6.2.1. Introduction
6.2.2. Header Enricher
6.2.3. Payload Enricher
Configuration
Examples
6.3. Claim Check
6.3.1. Introduction
6.3.2. Incoming Claim Check Transformer
6.3.3. Outgoing Claim Check Transformer
6.3.4. A word on Message Store
7. Messaging Endpoints
7.1. Message Endpoints
7.1.1. Message Handler
7.1.2. Event Driven Consumer
7.1.3. Polling Consumer
7.1.4. Namespace Support
7.1.5. Change Polling Rate at Runtime
7.1.6. Payload Type Conversion
7.1.7. Asynchronous polling
7.2. Messaging Gateways
7.2.1. Enter the GatewayProxyFactoryBean
7.2.2. Gateway XML Namespace Support
7.2.3. Setting the Default Reply Channel
7.2.4. Gateway Configuration with Annotations and/or XML
7.2.5. Invoking No-Argument Methods
7.2.6. Error Handling
7.2.7. Asynchronous Gateway
7.2.8. Gateway behavior when no response arrives
7.3. Service Activator
7.3.1. Introduction
7.3.2. Configuring Service Activator
7.4. Delayer
7.4.1. Introduction
7.4.2. Configuring Delayer
7.5. Scripting support
7.5.1. Script configuration
7.6. Groovy support
7.6.1. Groovy configuration
7.6.2. Control Bus
8. System Management
8.1. JMX Support
8.1.1. Notification Listening Channel Adapter
8.1.2. Notification Publishing Channel Adapter
8.1.3. Attribute Polling Channel Adapter
8.1.4. Operation Invoking Channel Adapter
8.1.5. Operation Invoking outbound Gateway
8.1.6. MBean Exporter
MBean ObjectNames
MessageChannel MBean Features
8.2. Message History
8.2.1. Message History Configuration
8.3. Message Store
8.4. Control Bus
IV. Integration Adapters
9. AMQP Support
9.1. Introduction
9.2. Inbound Channel Adapter
9.3. Outbound Channel Adapter
9.4. Inbound Gateway
9.5. Outbound Gateway
9.6. AMQP Backed Message Channels
9.7. AMQP Samples
10. Spring ApplicationEvent Support
10.1. Receiving Spring ApplicationEvents
10.2. Sending Spring ApplicationEvents
11. Feed Adapter
11.1. Introduction
11.2. Feed Inbound Channel Adapter
12. File Support
12.1. Introduction
12.2. Reading Files
12.3. Writing files
12.4. File Transformers
13. FTP/FTPS Adapters
13.1. Introduction
13.2. FTP Session Factory
13.3. FTP Inbound Channel Adapter
13.4. FTP Outbound Channel Adapter
13.5. FTP Outbound Gateway
13.6. FTP Session Caching
14. GemFire Support
14.1. Introduction
14.2. Inbound Channel Adapter
14.3. Continuous Query Inbound Channel Adapter
14.4. Outbound Channel Adapter
14.5. Gemfire Message Store
15. HTTP Support
15.1. Introduction
15.2. Http Inbound Gateway
15.3. Http Outbound Gateway
15.4. HTTP Namespace Support
15.5. Timeout Handling
15.6. HTTP Proxy configuration
15.7. HTTP Header Mappings
15.8. HTTP Samples
15.8.1. Multipart HTTP request - RestTemplate (client) and Http Inbound Gateway (server)
16. TCP and UDP Support
16.1. Introduction
16.2. UDP Adapters
16.3. TCP Connection Factories
16.4. TCP Connection Interceptors
16.5. TCP Adapters
16.6. TCP Gateways
16.7. TCP Message Correlation
16.7.1. Overview
16.7.2. Gateways
16.7.3. Collaborating Outbound and Inbound Channel Adapters
16.8. A Note About NIO
16.9. IP Configuration Attributes
17. JDBC Support
17.1. Inbound Channel Adapter
17.1.1. Polling and Transactions
17.2. Outbound Channel Adapter
17.3. Outbound Gateway
17.4. JDBC Message Store
17.4.1. Initializing the Database
17.4.2. Partitioning a Message Store
17.5. Stored Procedures
17.5.1. Supported Databases
17.5.2. Configuration
17.5.3. Common Configuration Attributes
17.5.4. Common Configuration Sub-Elements
17.5.5. Defining Parameter Sources
17.5.6. Stored Procedure Inbound Channel Adapter
17.5.7. Stored Procedure Outbound Channel Adapter
17.5.8. Stored Procedure Outbound Gateway
17.5.9. Examples
18. JMS Support
18.1. Inbound Channel Adapter
18.2. Message-Driven Channel Adapter
18.3. Outbound Channel Adapter
18.4. Inbound Gateway
18.5. Outbound Gateway
18.6. Mapping Message Headers to/from JMS Message
18.7. Message Conversion, Marshalling and Unmarshalling
18.8. JMS Backed Message Channels
18.9. JMS Samples
19. Mail Support
19.1. Mail-Sending Channel Adapter
19.2. Mail-Receiving Channel Adapter
19.3. Mail Namespace Support
19.4. Email Message Filtering
20. MongoDb Support
20.1. Introduction
20.2. Connecting to MongoDb
20.3. MongoDB Message Store
21. Redis Support
21.1. Introduction
21.2. Connecting to Redis
21.3. Messaging with Redis
21.3.1. Redis Publish/Subscribe channel
21.3.2. Redis Inbound Channel Adapter
21.3.3. Redis Outbound Channel Adapter
21.4. Redis Message Store
22. Resource Support
22.1. Introduction
22.2. Resource Inbound Channel Adapter
23. RMI Support
23.1. Introduction
23.2. Outbound RMI
23.3. Inbound RMI
23.4. RMI namespace support
24. SFTP Adapters
24.1. Introduction
24.2. SFTP Session Factory
24.3. SFTP Inbound Channel Adapter
24.4. SFTP Outbound Channel Adapter
24.5. SFTP Outbound Gateway
24.6. SFTP/JSCH Logging
24.7. SFTP Session Caching
25. Stream Support
25.1. Introduction
25.2. Reading from streams
25.3. Writing to streams
25.4. Stream namespace support
26. Twitter Adapter
26.1. Introduction
26.2. Twitter OAuth Configuration
26.3. Twitter Template
26.4. Twitter Inbound Adapters
26.4.1. Inbound Message Channel Adapter
26.4.2. Direct Inbound Message Channel Adapter
26.4.3. Mentions Inbound Message Channel Adapter
26.4.4. Search Inbound Message Channel Adapter
26.5. Twitter Outbound Adapter
26.5.1. Twitter Outbound Update Channel Adapter
26.5.2. Twitter Outbound Direct Message Channel Adapter
27. Web Services Support
27.1. Outbound Web Service Gateways
27.2. Inbound Web Service Gateways
27.3. Web Service Namespace Support
28. XML Support - Dealing with XML Payloads
28.1. Introduction
28.2. Namespace Support
28.2.1. XPath Expressions
Providing Namespaces (Optional) to XPath Expressions
28.3. Transforming XML Payloads
28.3.1. Configuring Transformers as Beans
28.3.2. Namespace Support for XML Transformers
28.4. Transforming XML Messages Using XPath
28.5. Splitting XML Messages
28.6. Routing XML Messages Using XPath
28.6.1. XML Payload Converter
28.7. XPath Header Enricher
28.8. Using the XPath Filter
28.9. XML Validating Filter
29. XMPP Support
29.1. Introduction
29.2. XMPP Connection
29.3. XMPP Messages
29.3.1. Inbound Message Channel Adapter
29.3.2. Outbound Message Channel Adapter
29.4. XMPP Presence
29.4.1. Inbound Presence Message Channel Adapter
29.4.2. Outbound Presence Message Channel Adapter
29.5. Appendices
V. Appendices
30. Message Publishing
30.1. Message Publishing Configuration
30.1.1. Annotation-driven approach via @Publisher annotation
30.1.2. XML-based approach via the <publishing-interceptor> element
30.1.3. Producing and publishing messages based on a scheduled trigger
31. Transaction Support
31.1. Understanding Transactions in Message flows
31.1.1. Poller Transaction Support
31.2. Transaction Boundaries
32. Security in Spring Integration
32.1. Introduction
32.2. Securing channels
A. Spring Integration Samples
A.1. Introduction
A.2. Where to get Samples
A.3. Submitting Samples or Sample Requests
A.4. Samples Structure
A.5. Samples
A.5.1. Loan Broker
A.5.2. The Cafe Sample
A.5.3. The XML Messaging Sample
B. Configuration
B.1. Introduction
B.2. Namespace Support
B.3. Configuring the Task Scheduler
B.4. Error Handling
B.5. Annotation Support
B.6. Message Mapping rules and conventions
B.6.1. Simple Scenarios
B.6.2. Complex Scenarios
C. Additional Resources
C.1. Spring Integration Home
D. Change History
D.1. Changes between 1.0 and 2.0
D.1.1. Spring 3 support
Support for the Spring Expression Language (SpEL)
ConversionService and Converter
TaskScheduler and Trigger
RestTemplate and HttpMessageConverter
D.1.2. Enterprise Integration Pattern Additions
Message History
Message Store
Claim Check
Control Bus
D.1.3. New Channel Adapters and Gateways
TCP/UDP Adapters
Twitter Adapters
XMPP Adapters
FTP/FTPS Adapters
SFTP Adapters
Feed Adapters
D.1.4. Other Additions
Groovy Support
Map Transformers
JSON Transformers
Serialization Transformers
D.1.5. Framework Refactoring
D.1.6. New Source Control Management and Build Infrastructure
D.1.7. New Spring Integration Samples
D.1.8. SpringSource Tool Suite Visual Editor for Spring Integration
D.2. Changes between 2.0 and 2.1