org.mmbase.applications.editwizard
Class Validator

java.lang.Object
  |
  +--org.mmbase.applications.editwizard.Validator

public class Validator

extends java.lang.Object

This class validates pre-html documents for the EditWizard. It is mainly used to register invalid form and fields.

Since:

MMBase-1.6

Version:

$Id: Validator.java,v 1.4.2.2 2003/08/08 08:13:39 michiel Exp $

Author:

Kars Veling, Pierre van Rooden

Constructor Summary

Validator()

Method Summary

static void	addValidationError(org.w3c.dom.Node validationnode, int errortype, java.lang.String errormsg) This method adds a validation error to the form.
static void	createStepsOverview(org.w3c.dom.Document prehtml, org.w3c.dom.Document schema) Constructs an overview-node in the pre-html where all steps are described.
static boolean	validate(org.w3c.dom.Document prehtml, org.w3c.dom.Document schema) Validates the given prehtml-xml.
static boolean	validateField(org.w3c.dom.Node field) This method validates one field.
static int	validateForm(org.w3c.dom.Node form) This method can validate one form.

Methods inherited from class java.lang.Object

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

Constructor Detail

Validator

public Validator()

Method Detail

validate

public static boolean validate(org.w3c.dom.Document prehtml,
                               org.w3c.dom.Document schema)

Validates the given prehtml-xml. Returns true if everything is valid, false if errors are found. Detailed information about the errors are placed as subnodes of the invalid fields.

Parameters:

Document - prehtml the prehtml which should be validated

Document - schema the wizardschema which is needed to validate at all

Returns:

True is the form is valid, false if it is invalid

validateForm

public static int validateForm(org.w3c.dom.Node form)

This method can validate one form. It returns the number of invalid fields in the form.

Parameters:

form - The form to be validated.

Returns:

The number of invalid fields found.

validateField

public static boolean validateField(org.w3c.dom.Node field)

This method validates one field.

Parameters:

field - the field which should be validated.

Returns:

true is the field is valid, false if it is invalid.

addValidationError

public static void addValidationError(org.w3c.dom.Node validationnode,
                                      int errortype,
                                      java.lang.String errormsg)

This method adds a validation error to the form.

Parameters:

validationnode - this node was validated

errortype - what kind of error was it?

errormsg - what errormessage should be placed.

createStepsOverview

public static void createStepsOverview(org.w3c.dom.Document prehtml,
                                       org.w3c.dom.Document schema)

Constructs an overview-node in the pre-html where all steps are described. Also, information about valid and non-valid form-schema's are placed in the steps-overview. The node looks like this:

 <steps-validator valid="false" allowsave="false" allowcancel="true">
      <step form-schema="schema-id" valid="true" />
      <step form-schema="schema-id" valid="false" />
 </steps-validator>
 

THis method creates a steps-overview which can be used by the html to show what forms are valid and what are not.

Parameters:

prehtml - the prehtml data node

schema - the original wizardschema