public static String getString(String key, Object... params) {
		String message = getStringSafely(key);
		if (params != null && params.length > 0) {
			return MessageFormat.format(message, params);
		} else {
			return message;
		}
	}
public static String getString ( String key , Object ... params ) { String message = getStringSafely ( key ) ; if ( params != null && params . length > 0 ) { return MessageFormat . format ( message , params ) ; } else { return message ; } }
Applies the message parameters and returns the message
from one of the message bundles.

@param key property key
@param params message parameters to be used in message's place holders
@return Resource value or place-holder error String