org.mentawai.rule
Class DependentRule

java.lang.Object
  extended by org.mentawai.rule.DependentRule
All Implemented Interfaces:
Rule

public class DependentRule
extends Object
implements Rule

Make a field required only and only if another field is present in the form.

Author:
Sergio Oliveira Jr.

Constructor Summary
DependentRule(String field1, String field2)
           
 
Method Summary
 boolean check(String field, Action action)
          Check and validate the given field from the give action.
static DependentRule getInstance(String field1, String field2)
           
 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

DependentRule

public DependentRule(String field1,
                     String field2)
Method Detail

getInstance

public static DependentRule getInstance(String field1,
                                        String field2)

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.


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