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From "Willem Jiang (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (CAMEL-5438) Dynamic resolve property for CamelContext
Date Thu, 26 Jul 2012 06:52:34 GMT

     [ https://issues.apache.org/jira/browse/CAMEL-5438?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Willem Jiang resolved CAMEL-5438.
---------------------------------

       Resolution: Fixed
    Fix Version/s: 2.11.0
    
> Dynamic resolve property for CamelContext
> -----------------------------------------
>
>                 Key: CAMEL-5438
>                 URL: https://issues.apache.org/jira/browse/CAMEL-5438
>             Project: Camel
>          Issue Type: New Feature
>          Components: camel-core
>    Affects Versions: 2.10.0
>            Reporter: Aleksey Sushko
>            Assignee: Willem Jiang
>             Fix For: 2.11.0
>
>
> If you read the description of the camel http4 component you can find an example set
of parameters for a consumer.
> {code}
> <camelContext>
>   <properties>
>     <property key="http.proxyHost" value="172.168.18.9"/>
>     <property key="http.proxyPort" value="8080"/>
>   </properties>
> </camelContext>
> {code}
> In this example, the xml has no universal solution.
> I think that the universal solution is to use a property placeholder. In this case, you
can use an external configuration.
> {code}
> <camelContext>
>   <properties>
>     <property key="http.proxyHost" value="{{http.proxyHost}}"/>
>     <property key="http.proxyPort" value="{{http.proxyPort}}"/>
>   </properties>
> </camelContext>
> {code}
> One possible solution is to replace the existing structure to access the property
> {code}
> String value = getCamelContext().getProperties().get("my_property");
> {code}
> Replace the call of the new method
> {code}
> String value = getCamelContext().getProperty("my_property");
> {code}
> Inside a method call to use the old design and a response sent to the method of resolvePropertyPlaceholders.
> {code:title=An example of implementation}
> public String getProperty(String name) { 
>    String value = getProperties().get(name); 
>    if(ObjectHelper.isNotEmpty(value)) 
>       value = resolvePropertyPlaceholders(value); 
>    return value; 
> }
> {code}

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