Dushan Sachinda Abeyruwan created SYNAPSE-890:
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Summary: Pattern attribute of the property mediator does not seem
to work
Key: SYNAPSE-890
URL: https://issues.apache.org/jira/browse/SYNAPSE-890
Project: Synapse
Issue Type: Bug
Components: Core
Affects Versions: 2.1
Environment: Ubuntu 12.04
Reporter: Dushan Sachinda Abeyruwan
Priority: Critical
Fix For: FUTURE
Steps to reproduce:
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1. Create a sequence like the following
<sequence xmlns="http://ws.apache.org/ns/synapse"; name="main">
<in>
<switch xmlns:ns="http://org.apache.synapse/xsd";
xmlns:ns3="http://org.apache.synapse/xsd"; xmlns:m0="http://services.samples";
source="//m0:getQuote/m0:request/m0:symbol">
<case regex="IBM">
<property name="symbol" value="Great stock - IBM" />
</case>
<case regex="MSFT">
<property name="symbol" value="Are you sure? - MSFT" />
</case>
<default>
<property name="symbol" expression="fn11:concat('Normal Stock - ',
//m0:getQuote/m0:request/m0:symbol)" scope="default" />
</default>
</switch>
<property xmlns:ns="http://org.apache.synapse/xsd";
xmlns:ns3="http://org.apache.synapse/xsd"; xmlns:m0="http://services.samples";
name="MyProp" expression="//m0:getQuote/m0:request/m0:symbol"
pattern="[a-zA-Z_0-9]" scope="default" />
<log level="custom">
<property xmlns:ns="http://org.apache.synapse/xsd";
xmlns:ns3="http://org.apache.synapse/xsd"; name="symbol"
expression="get-property('symbol')" />
<property xmlns:ns="http://org.apache.synapse/xsd";
xmlns:ns3="http://org.apache.synapse/xsd"; name="epr"
expression="get-property('To')" />
<property xmlns:ns="http://org.apache.synapse/xsd";
xmlns:ns3="http://org.apache.synapse/xsd"; name="customProperty"
expression="get-property('MyProp')" />
</log>
<send />
</in>
<out>
<send />
</out>
</sequence>
2. Note the following property mediator in the above sequence. I used pattern
attribute in there to evaluate the result of xpath expression against a regex
<property xmlns:ns="http://org.apache.synapse/xsd";
xmlns:ns3="http://org.apache.synapse/xsd"; xmlns:m0="http://services.samples";
name="MyProp" expression="//m0:getQuote/m0:request/m0:symbol"
pattern="[a-zA-Z_0-9]" scope="default" />
According to the above regex, I should only set the property value if the Xpath
expression result is alpha-numeric
3. Send a request with the following payload (note the non-alpha numeric
character)
<m0:getQuote xmlns:m0="http://services.samples";>
<m0:request>
<m0:symbol>%</m0:symbol>
</m0:request>
</m0:getQuote>
4. Check the log mediator output (value of the customProperty)
INFO - LogMediator symbol = Normal Stock - %, epr =
http://localhost:9000/services/SimpleStockQuoteService, customProperty = %
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