Nice briefing Saminda.... any chance you can make this a maven site webpage (xdocs/whatsinM1.xml). This would be really good to put into the site.


On 1/20/06, Saminda Abeyruwan <> wrote:

Hi all,

What's available in Synapse-M1

Rule Configuration

Rule reconfiguration elements, {Nodes}

  1. Regular expression <regex/>

  2. Xpath <xpath/>

Grouping and Referencing Elements {Nodes}

  1. Grouping a Set of Rules for human readability <stage/>

  2. Grouping of Mediators that need to be called in IN direction <in/> {this is default}

  3. Grouping of Mediators that need to be called in OUT direction <out/> {yet to be stabilize}

  4. Grouping of Mediators that need NOT to be executed in any direction <never/>

  5. Referencing of Mediator <ref/>. A mediator can be referenced if that mediator's tag contain "name" attribute only. Lookup of the mediators from Synapse Environment done using @name. {Leaf}

Core built mediators {Leaves}

  1. <engage-addressing-in/> engage addressing per message basis.

  2. <log/> basic message logging mechanism. Logging uses log4j. So altering rule administrator can set the logging properties.

  3. <fault/> Response will be a SOAP1.1 default false envelope.

  4. <send/> This is the tag corresponding to the mediator responsible for routing of messages. The corresponding mediator will infer the "Send On" {routing of message to a different location} or "Send Back" {routing of message back to its requestor}

  5. <header/> This tag manipulate soap header information in SynapeMessage.

  6. <xslt/> Newest addition to the core. The tag corresponding to the mediator, who's responsible of doing transformation to the message.

User Mediator Types {Leaves}

  1. <servicemediator/> This is the tag corresponding to the mediator who's responsible of invoking a mediator that has been written as a Axis2 service. (.AAR).

  2. <classmediator/> This is the tag corresponding to the mediator who's been responsible for invoking of a mediator that's written as a JAVA Class.


  1. <spring:springmediator/> which belongs to the namespace This is an extension.

All the elements above but Extensions belong to the namespace of


  1. StockQuoteClient This is a smart client, who demonstrate the use of WS-Addressing in Synapse to route messages.

  2. ProxyStockQuoteClient This demonstrates Synapse in "transparent mode"

  3. DumbStockQuoteClient This demonstrates Synapse in "gateway mode".

  4. LoggingClient This demonstrate the simple use of <log/>

  1. Deprecation Mediator This sample demonstrates the use of mediator to do deprecation of messages corresponding to configuration given in deprecation.xml. As a client for this sample User can user th StockQuoteClient.

Test Suite

A test suite is available on testing Processor/Configurator, that's available in Synapse core. This test suite contains use cases resolved in JIRA. (ex: multiple transport routing.)

Project Configuration

Synapse uses maven1 as the project coordinator. Following are the goal available in the project

maven clean --> Clean the "target" directory

maven jar --> default goal, which is using for compile the project and run the test-suite

maven dist-bin --> generate binary distribution in "target/dist" folder

maven dist-src --> generate src distribution in "target/dist" folder

maven site --> generate the site

maven javadoc --> gnerate the Java Documentation of the core of Synaspe

maven -Dmaven.test.skip=true jar --> to compile the code without running the test-suite. {mainly to run the build quickly as test-suite take some considerable amount of time to run}

At first build will take sometime due maven has to download the project dependencies. Afterwards it will try to update SNPSHOT jar dependencies with every build. This might take some time. In order to eliminate this use "-o". Ex; maven jar -o.


Documentation contains a userguide, which is sync with Wiki. Another documentation is available on writing processors.

Packaging Structure


    +- scripts to run synapse


     +- scripts of samples/userguide


     +- core Java source


     +- test-suite


     +- test resources need in running the test-suite


     +- synapse repository.




Synapse Server

At present Synapse uses SimpleHTTPServer from Axis2. So when repository given to the SimpleHTTPServer following should be available in repository. This is the minimum and it's mandatory.


      +- addressing-0.94.jar


      +- all libs needed.


     +- emptymediator.aar

     +- synapse.aar

axis2.xml {synapse specific}


Binary Distribution

Binary distribution has samples, scrips, x docs and a synapse repository. {maven dist-bin}

Thank you


Nice to have:

XSLT sample
Failover Sample

Paul Fremantle
VP/Technology, WSO2 and OASIS WS-RX TC Co-chair

"Oxygenating the Web Service Platform",