nl.gx.webmanager.handler.forms.validation
Class CountDbValidator

java.lang.Object
  nl.gx.webmanager.handler.forms.foundation.FormHandlerBase
      nl.gx.webmanager.handler.forms.validation.CountDbValidator

All Implemented Interfaces:

FormComponent, Validator

public class CountDbValidator
extends FormHandlerBase
implements Validator

Validator for checking the number of occurrences of values in a database.

Parameter name	Mode	Default value	Description
wmformpart	Required	-	The formpart to validate
messageformpart	Optional	-	The formpart where the validation message should be displayed. If there is no messageformpart, the message is displayed on the form instead of a formpart.
countquery	Required	-	Select statement. The number of results in the resultset will be validated
connectionname	Required	-	Name of the db connection
minimumcount	Optional	-
maximumcount	Optional	-
not_found	Optional	-	Message that is returned if the wmformpart value does not validate

Returned validator message(s):

• not_found

Field Summary

static java.lang.String

NOT_FOUND

Fields inherited from class nl.gx.webmanager.handler.forms.foundation.FormHandlerBase

DEFAULT_STATEMENT_TIMEOUT, log, staticlog

Constructor Summary

CountDbValidator()

Method Summary

void	init(FormComponentConfig c) Passes the initialization parameters to the component.
ValidatorMessage[]	validate(FormDefinition form, State formState, javax.servlet.http.HttpServletRequest req, javax.servlet.http.HttpServletResponse res) Performs validation on a form and returns an array of validator messages, containing errors detected in the submitted values.

Methods inherited from class nl.gx.webmanager.handler.forms.foundation.FormHandlerBase

close, close, close, executeInsertWithIdentityMSSQLMYSQL, executeInsertWithIdentityOracle, executeIntegerQuery, executeIntegerQuery, executeIntegersQuery, executeIntegersQuery, executeQuery, executeStringQuery, executeUpdate, fillValues, getDataSource, setArguments, setArguments

Methods inherited from class java.lang.Object

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

Field Detail

NOT_FOUND

public static final java.lang.String NOT_FOUND

See Also:

Constant Field Values

Constructor Detail

CountDbValidator

public CountDbValidator()

Method Detail

init

public void init(FormComponentConfig c)
          throws InitializationException

Description copied from interface: FormComponent

Passes the initialization parameters to the component.

Specified by:

init in interface FormComponent

Parameters:

c - The FormComponentConfig object that contains configutation information for this component.

Throws:

InitializationException - If initialization failed

validate

public ValidatorMessage[] validate(FormDefinition form,
                                   State formState,
                                   javax.servlet.http.HttpServletRequest req,
                                   javax.servlet.http.HttpServletResponse res)

Description copied from interface: Validator

Performs validation on a form and returns an array of validator messages, containing errors detected in the submitted values.

Specified by:

validate in interface Validator

Parameters:

form - The form that should be validated

formState - The object representing the state of the formflow. This object provides access to values submitted by the client and the exceptions and validator messages for the form.

req - The http servlet request

res - The http servlet response

Returns:

The array of validator messages, containing validation errors for the form.