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https://issues.apache.org/jira/browse/CAMEL-3547?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12982704#action_12982704
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Claus Ibsen commented on CAMEL-3547:
------------------------------------
We'll it would be much better if the community vote on this ticket in Spring
Framework:
https://jira.springframework.org/browse/SPR-4466
But I guess since the issue is almost 3 years old and still no sign from SS to
raise to the occasion, we should consider alternatives.
> Custom "absorbing" PropertyPlaceholderConfigurer
> ------------------------------------------------
>
> Key: CAMEL-3547
> URL: https://issues.apache.org/jira/browse/CAMEL-3547
> Project: Camel
> Issue Type: Improvement
> Components: camel-core
> Reporter: Dan Checkoway
> Priority: Minor
>
> I find Camel's property placeholder support clumsy. I already use Spring's
> PropertyPlaceholderConfigurer, and I feel like Camel should be able to
> harness that. I realize Spring doesn't make it easy to access those
> properties, but I have come up with a way to enable Camel to use them...
> By simply extending PropertyPlaceholderConfigurer, we will be able to
> intercept and absorb the properties that Spring has access to:
> {{
> import java.util.Properties;
> import
> org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
> import org.springframework.beans.factory.config.PropertyPlaceholderConfigurer;
> public class CamelPropertyPlaceholderConfigurer extends
> PropertyPlaceholderConfigurer {
> private final Properties properties = new Properties();
>
> @Override
> protected void processProperties(ConfigurableListableBeanFactory
> beanFactory, Properties props) {
> super.processProperties(beanFactory, props);
> // "Absorb" all properties that pass through so we can expose them
> later
> properties.putAll(props);
> }
> /** Expose all absorbed properties */
> public final Properties getProperties() {
> return properties;
> }
> }
> }}
> It means users who want to take advantage of this would need to instantiate
> this instead of the stock PropertyPlaceholderConfigurer, but that's no
> problem:
> <bean class="org.apache.camel.impl.CamelPropertyPlaceholderConfigurer">
> <p:location="..."/>
> </bean>
> That way, you wouldn't need to declare a "duplicating" <propertyPlaceholer>
> in the CamelContext. What do you think, is this feasible?
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