org.mentawai.rule
Class MethodRule

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

public class MethodRule
extends BasicRule

A validation rule that calls a method by reflection to validate. Good for validation that requires database access for example.

Author:
Sergio Oliveira

Constructor Summary
MethodRule(Object target, String methodName)
           
 
Method Summary
 boolean check(String value)
          Check a single input value from this action.
static MethodRule getInstance(Object target, String methodName)
           
 Map<String,String> getTokens()
          Returns a map with tokens that can be used in the error messages.
 
Methods inherited from class org.mentawai.rule.BasicRule
check
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 

Constructor Detail

MethodRule

public MethodRule(Object target,
                  String methodName)
Method Detail

getInstance

public static MethodRule getInstance(Object target,
                                     String methodName)

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
Overrides:
getTokens in class BasicRule
Returns:
A map with the token values.

check

public boolean check(String value)
Description copied from class: BasicRule
Check a single input value from this action. Override this method to implement a basic rule for validation.

Specified by:
check in class BasicRule
Parameters:
value - The value to validate.
Returns:
true if the validation was successful.


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