org.apache.wicket.validation
Interface IErrorMessageSource

public interface IErrorMessageSource

Interface representing a message source that stores messages by key and can perform variable substitution.

Since:

1.2.6

Author:

Igor Vaynberg (ivaynberg)

Method Summary

String	getMessage(String key) Retrieves a message with the given key.
String	substitute(String string, Map<String,Object> vars) Performs variable substitution on the given String using variables declared in the vars Map.

Method Detail

getMessage

String getMessage(String key)

Retrieves a message with the given key.

Parameters:

key - a message key

Returns:

message or null if not found

substitute

String substitute(String string,
                  Map<String,Object> vars)
                  throws IllegalStateException

Performs variable substitution on the given String using variables declared in the vars Map.

Variables in the message are identified using ${varname} syntax.

Parameters:

string - a String to be altered

vars - a Map of variables to process

Returns:

the given String with the variables substituted

Throws:

IllegalStateException - if a variable defined in the given String cannot be found in the vars Map