Do resource bundles in Java support runtime string substitution?

Question

Can you do the following with a Java ResourceBundle?

In the properties file...

example.dynamicresource=You currently have {0} accounts.

Answer 1

I don't think you can make this work for Non-English properties file.

My message.properties file has the following line:

info.fomat.log.message.start=Starting to parse log message in {0} format.

And my message_fr_FR.properties file has the following line:

info.fomat.log.message.start=A partir d'analyser le message connecter {0} format.

This code works only for the English one

String.format((String) messages .getString(GlobalConstants.MESSAGE_FORMAT_START), GlobalConstants.STR_JSON));

It does NOT replace the placeholder with the value when my language / locale is French :-(

Even MessageFormat.fomat() is no good

Answer 2

Not without using the MessageFormat class, such as:

String pattern = bundle.getString("example.dynamicresource");
String message = MessageFormat.format(pattern, accountCount);