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| |
| <document> |
| <properties> |
| <title>Apache Synapse - Sample 750</title> |
| </properties> |
| <body> |
| <section name="Sample 750: Stereotyping XSLT Transformations with Templates"> |
| <div class="xmlConf"><definitions xmlns="http://ws.apache.org/ns/synapse"> |
| |
| <proxy name="StockQuoteProxy"> |
| <target> |
| <inSequence> |
| <!--use sequence template to trasnform incoming request--> |
| <call-template target="xslt_func"> |
| <with-param name="xslt_key" value="xslt-key-req"/> |
| </call-template> |
| <send> |
| <endpoint> |
| <address uri="http://localhost:9000/services/SimpleStockQuoteService"/> |
| </endpoint> |
| </send> |
| </inSequence> |
| |
| <outSequence> |
| <!--use sequence template to trasnform incoming response--> |
| <call-template target="xslt_func"> |
| <with-param name="xslt_key" value="xslt-key-back"/> |
| </call-template> |
| <send/> |
| </outSequence> |
| </target> |
| </proxy> |
| |
| <!--this sequence template will trasnform requests with the given xslt local entry key And will log |
| the message before and after. Takes Iterate local entry key as an argument--> |
| <template xmlns="http://ws.apache.org/ns/synapse" name="xslt_func"> |
| <parameter name="xslt_key"/> |
| <sequence> |
| <log level="full"> |
| <property name="BEFORE_TRANSFORM" value="true" /> |
| </log> |
| <xslt key="{$func:xslt_key}"/> |
| <log level="full"> |
| <property name="AFTER_TRANSFORM" value="true" /> |
| </log> |
| </sequence> |
| </template> |
| |
| <localEntry key="xslt-key-req" src="file:repository/samples/resources/transform/transform.xslt"/> |
| <localEntry key="xslt-key-back" src="file:repository/samples/resources/transform/transform_back.xslt"/> |
| </definitions></div> |
| <subsection name="Objective"> |
| <p> |
| Introduction to Apache Synapse Sequence Templates |
| </p> |
| </subsection> |
| <subsection name="Pre-requisites"> |
| <p> |
| <ul> |
| <li> |
| Deploy the SimpleStockQuoteService in the sample Axis2 server and start Axis2 |
| </li> |
| <li> |
| Start Synapse using the configuration numbered 750 (repository/conf/sample/synapse_sample_750.xml) |
| <div class="command"> |
| Unix/Linux: sh synapse.sh -sample 750<br/> |
| Windows: synapse.bat -sample 750 |
| </div> |
| </li> |
| </ul> |
| </p> |
| </subsection> |
| <subsection name="Executing the Client"> |
| <p> |
| First execute the sample client as follows. |
| </p> |
| <div class="command">ant stockquote -Daddurl=http://localhost:8280/services/StockQuoteProxy -Dmode=customquote</div> |
| <p> |
| Sequence Template can act a reusable function. Here the proxy service reuses |
| template xslt_func which will transform requests with the given xslt local entry |
| key And will log the message before and after. It takes xslt transformation corresponding |
| to local entry key as an argument (for insequence this key is xslt-key-req and out sequence it is xslt-key-back). |
| We use call-template mediator for passing the xslt key parameter to a sequence template. |
| </p> |
| </subsection> |
| </section> |
| <p><a href="../samples.html">Back to Catalog</a></p> |
| </body> |
| </document> |
