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

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

Method Detail

getMessage

java.lang.String getMessage(java.lang.String key)

Retrieves a message with the given key.

Parameters:

key - a message key

Returns:

message or null if not found

substitute

java.lang.String substitute(java.lang.String string,
                            java.util.Map vars)
                            throws java.lang.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:

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