velosurf.validation
Class Length

java.lang.Object
  velosurf.validation.FieldConstraint
      velosurf.validation.Length

public class Length
extends FieldConstraint

A string length constraint. Syntax is:

    <column min-len="min" max-len="max"/>
  

where you donnot need to specify both min-len and max-len.

instead of one.

Or:

   <column>
     <min-len value="min-value" [message="error-message"]>
     <max-len value="max-value" [message="error-message"]>
   </column>
 

Note: this constraint is not meant to replace an internal SQL constraint in the database, since it cannot be made sure that complex updates will respect this constraint.

Author:

Claude Brisson

Field Summary

protected int	_maxLen
protected int	_minLen

Fields inherited from class velosurf.validation.FieldConstraint

_message

Constructor Summary

Length(int minLen, int maxLen)
Constructor.

Length(int minLen, int maxLen, java.lang.String msg)
Constructor.

Method Summary

void	setMaxLength(int maxLen)
void	setMinLength(int minLen)
java.lang.String	toString()
boolean	validate(java.lang.Object data)

Methods inherited from class velosurf.validation.FieldConstraint

getMessage, setMessage, validate

Methods inherited from class java.lang.Object

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

Field Detail

_minLen

protected int _minLen

_maxLen

protected int _maxLen

Constructor Detail

Length

public Length(int minLen,
              int maxLen)

Constructor.

Parameters:

minLen - the minimum length allowed (inclusive)

maxLen - the maximum length allowed (inclusive)

Length

public Length(int minLen,
              int maxLen,
              java.lang.String msg)

Constructor.

Parameters:

minLen - the minimum length allowed (inclusive)

maxLen - the maximum length allowed (inclusive)

msg - a string like "is not of the proper length"

Method Detail

setMinLength

public void setMinLength(int minLen)

setMaxLength

public void setMaxLength(int maxLen)

validate

public boolean validate(java.lang.Object data)

Overrides:

validate in class FieldConstraint

Parameters:

data - the data to be validated

Returns:

true if data is a string of the expected length

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object