Variable Interpolation not working for me.

[An...@Dell.com]

I am currently trying to test out the variable Interpolation  and cannot
get it to work properly. I am not sure if it is bug or just misuse on my
part as I am new to the commons package. Any help would be much
appreciated. 

I load up my configuation files this way and all else seems to work. 

			config = new
PropertiesConfiguration(pathfilename);
			FileChangedReloadingStrategy strat = new
FileChangedReloadingStrategy();
			strat.setRefreshDelay(30000);
			config.setReloadingStrategy(strat);

My property exists in my main propery file that I use to load other
property files. 

include = General.properties
include = DragonfxBeanPoolFactory.properties
include = MsgEventMapping.properties
include = LSPMsgTypeMappings.properties
include = ReportConfig.properties
include = SendingMessage.properties
LOGFILE_PROPERTIES={sys:app_env}_{sys:app_vm}_log4j.xml

My system properties are set using the vm parameter.  -Dapp_env=dev
-Dapp_vm=web 

They are available when I use system.getProperty to access them. I am
using 1.4 version of the commons jar. 

When I get the property it returns the string with the brackets etc like
it cannot find the system property. 

Thanks ahead of time for any help you may provide.

Re: Variable Interpolation not working for me.

[Oliver Heger <ol...@oliver-heger.de>]

Anthony_Crouch@Dell.com wrote:
> I am currently trying to test out the variable Interpolation  and cannot
> get it to work properly. I am not sure if it is bug or just misuse on my
> part as I am new to the commons package. Any help would be much
> appreciated. 
> 
> I load up my configuation files this way and all else seems to work. 
> 
> 			config = new
> PropertiesConfiguration(pathfilename);
> 			FileChangedReloadingStrategy strat = new
> FileChangedReloadingStrategy();
> 			strat.setRefreshDelay(30000);
> 			config.setReloadingStrategy(strat);
> 
> My property exists in my main propery file that I use to load other
> property files. 
> 
> include = General.properties
> include = DragonfxBeanPoolFactory.properties
> include = MsgEventMapping.properties
> include = LSPMsgTypeMappings.properties
> include = ReportConfig.properties
> include = SendingMessage.properties
> LOGFILE_PROPERTIES={sys:app_env}_{sys:app_vm}_log4j.xml
> 
> My system properties are set using the vm parameter.  -Dapp_env=dev
> -Dapp_vm=web 
> 
> They are available when I use system.getProperty to access them. I am
> using 1.4 version of the commons jar. 
> 
> When I get the property it returns the string with the brackets etc like
> it cannot find the system property. 
> 
> Thanks ahead of time for any help you may provide.
> 
Don't know whether this is really the problem, but you are missing a 
'$'. Variables in a configuration file have the form ${...}, so the line 
in your properties file should run:

LOGFILE_PROPERTIES=${sys:app_env}_${sys:app_vm}_log4j.xml

Oliver

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