org.mentawai.rule
Class RequiredRule

java.lang.Object
  org.mentawai.rule.RequiredRule

All Implemented Interfaces:

Rule

public class RequiredRule
extends Object
implements Rule

A validation rule that checks if an action input value is present, in other workds, not null and not empty!

Author:

Sergio Oliveira

Constructor Summary

RequiredRule()

Method Summary

boolean	check(String field, Action action) Check and validate the given field from the give action.
static RequiredRule	getInstance()
Map<String,String>	getTokens() Returns a map with tokens that can be used in the error messages.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

RequiredRule

public RequiredRule()

Method Detail

getInstance

public static RequiredRule getInstance()

check

public boolean check(String field,
                     Action action)

Description copied from interface: Rule

Check and validate the given field from the give action.

Specified by:

check in interface Rule

Parameters:

field - The field to validate.

action - The action from where to get the field.

Returns:

true if the validation succeeds.

getTokens

public Map<String,String> getTokens()

Description copied from interface: Rule

Returns a map with tokens that can be used in the error messages. The tokens in the error messages will be replaced by the token values in this map.

Specified by:

getTokens in interface Rule

Returns:

A map with the token values.