dynamically read/add value to the parameter of conf file with Properties

Question

I have a message like below in my conf file.

text.message = Richard has to go to School in 01/06/2012 / 1days.

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Answer 1

You can use the MessageFormat API for this.

Kickoff example:

text.message = {0} has to go to {1} in {2,date,dd/MM/yyyy} / {3}

with

String message = properties.getProperty("text.message");
String formattedMessage = MessageFormat.format(message, "Richard", "School", new Date(), "1days");
System.out.println(formattedMessage); // Richard has to go to School in 31/05/2012 / 1days