packageScan should support Spring property placeholders
-------------------------------------------------------
Key: CAMEL-2358
URL: https://issues.apache.org/activemq/browse/CAMEL-2358
Project: Apache Camel
Issue Type: Improvement
Reporter: Johan Haleby
Right now you cannot use Spring property placeholders to define a packageScan
inside the Camel XML. I.e. this won't work:
{code:xml}
<beans xmlns="http://www.springframework.org/schema/beans";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://activemq.apache.org/camel/schema/spring
http://activemq.apache.org/camel/schema/spring/camel-spring.xsd
">
<bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
<camelContext xmlns="http://activemq.apache.org/camel/schema/spring";>
<packageScan>
<package>${some.scan.path}</package>
</packageScan>
</camelContext>
</beans>
{code}
However a workaround exists for uri's as seen in the
[FAQ|http://camel.apache.org/how-do-i-use-spring-property-placeholder-with-camel-xml.html].
I'd like to propose something similar for packageScan. For example something
like this:
{code:xml}
<beans xmlns="http://www.springframework.org/schema/beans";
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance";
xsi:schemaLocation="
http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans-2.0.xsd
http://activemq.apache.org/camel/schema/spring
http://activemq.apache.org/camel/schema/spring/camel-spring.xsd
">
<bean
class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer"/>
<camelContext xmlns="http://activemq.apache.org/camel/schema/spring";>
<package id="scanPath1" name="${some.scan.path}"/>
<packageScan>
<package ref="scanPath1" />
</packageScan>
</camelContext>
</beans>
{code}
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