org.mentawai.rule
Class CrossRule

java.lang.Object
  org.mentawai.rule.CrossRule

All Implemented Interfaces:

Rule

Direct Known Subclasses:

EqualRule

public abstract class CrossRule
extends Object
implements Rule

A rule that compares two or more action input fields for validation.

Author:

Sergio Oliveira

Constructor Summary

CrossRule()

Method Summary

abstract boolean	check(String[] values) Check different values from an action input for the validation.
boolean	check(String field, Action action) Check and validate the given field from the give action.
protected abstract String[]	getFieldsToValidate() Subclasses should implement this method to indicate which fields from the action input they want to receive for validation.
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

CrossRule

public CrossRule()

Method Detail

getFieldsToValidate

protected abstract String[] getFieldsToValidate()

Subclasses should implement this method to indicate which fields from the action input they want to receive for validation.

Returns:

String array with the name of the fields

check

public abstract boolean check(String[] values)

Check different values from an action input for the validation. Override this method to implement a cross rule for validation.

Parameters:

values - The values to compare.

Returns:

true if the validation was successful.

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.