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<java.lang.String,java.lang.Object> 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<java.lang.String,java.lang.Object> 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