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Camel now provides a new PropertiesComponent in camel-core which allows you to use property placeholders when defining Camel Endpoint URIs.
This works much like you would do if using Spring's <property-placeholder> tag. However Spring have a limitation which prevents 3rd party frameworks to leverage Spring property placeholders to the fullest. See more at How do I use Spring Property Placeholder with Camel XML.
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From Camel 2.10 onwards, you can bridge the Spring property placeholder with Camel, see further below for more details. |
The property placeholder is generally in use when doing:
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Each location is separated by comma.
Bridging Spring and Camel property placeholders
Available as of Camel 2.10
The Spring Framework does not allow 3rd party frameworks such as Apache Camel to seamless hook into the Spring property placeholder mechanism. However you can easily bridge Spring and Camel by declaring a Spring bean with the type org.apache.camel.spring.CamelSpringPropertyPlaceholderConfigurer, which is a Spring org.springframework.beans.factory.config.PropertyPlaceholderConfigurer type.
To bridge Spring and Camel you must define a single bean as shown below:
TODO: e1
You must not use the spring <context:property-placeholder> namespace at the same time; this is not possible.
After declaring this bean, you can define property placeholders using both the Spring style, and the Camel style within the <camelContext> tag as shown below:
TODO: e2