BPEL Property Reader Extension

The is a sample extension that allow users to read external values from either a property file or from registry into a BPEL process instance. Accompanied PropertyReadExt.properties file is a sample properties file used to demonstrate the usage.

How to run

Clean and build the following with maven https://svn.wso2.org/repos/wso2/carbon/platform/branches/turing/products/bps/3.2.0/modules/samples/product/bpel-property-reader/
Copy the created jar file to the BPS_HOME/repository/components/lib directory.

Add the following configuration entry to bps.xml in BPS_HOME/repository/conf directory.

<tns:WSO2BPS xmlns:tns="http://wso2.org/bps/config">
…
<tns:ExtensionBundles>
   <tns:runtimes>
   <tns:runtime class="org.wso2.bps.samples.propertyreader.PropertyReaderExtensionBundle"/>
   </tns:runtimes>
</tns:ExtensionBundles>
...
</tns:WSO2BPS>

Copy PropertyReaderExt.properties into <BPS_HOME>/repository/conf directory.
Restart the server if the server is already running. Now you are ready to use the property-reader extension in your BPEL process.
Get the property-reader BPEL sample from this location.
Extract the PropertyReader_1.0.0.zip and upload the sample.properties to the registry (either config or governance registry) or keep in the file system.
Deploy the PropertyReader BPEL process.
Invoke the process and compare the results with sample.properties configurations.

In the PropertyReader_1.0.0/PropertyReader.bpel config

Define the namespace as xmlns:propr="http://wso2.org/bps/extensions/propertyReader"

Declare the Extension Activity as:

<bpel:extensions>
     <bpel:extension namespace="http://wso2.org/bps/extensions/propertyReader" mustUnderstand="yes" />
</bpel:extensions>

Assign the properties to variables:

<bpel:extensionActivity>
    <propr:readProperties location="conf:sample.properties">
        <property name="property1">
            <to variable="test"></to>
        </property>
        <property name="property2">
            <to variable="test2"></to>
        </property>
    </propr:readProperties>
</bpel:extensionActivity>