com.ibm.commons.iloader.node.validators
Class MultiValidator

java.lang.Object
  com.ibm.commons.iloader.node.validators.MultiValidator

All Implemented Interfaces:

IValidator

public class MultiValidator
extends java.lang.Object
implements IValidator

Most controls only allow that one pattern be set on the control at one time. This 'validator' concatenates all of the validators supplied.

Constructor Summary

MultiValidator()
Creates a new instance of this validator.

Method Summary

void	add(IValidator validator) Adds a validator to the list of validators.
IValidator	get(int index) Returns the validator at the given index.
boolean	isBeingValid(java.lang.String value) Determines if the current value is valid.
boolean	isValid(java.lang.String value, Messages messages) Determines if the overall input is valid.
int	size() Returns the number of validators added to this validator.

Methods inherited from class java.lang.Object

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

Constructor Detail

MultiValidator

public MultiValidator()

Creates a new instance of this validator.

Method Detail

size

public int size()

Returns the number of validators added to this validator.

Returns:

get

public IValidator get(int index)

Returns the validator at the given index. Internally the added validators are stored in a list. Calling this method simply returns the validator from the list.

Parameters:

index - the index of the required validator

Returns:

returns the validator at the given index

Throws:

java.lang.IndexOutOfBoundsException - if index is out of range (index < 0 || index >= size()).

add

public void add(IValidator validator)

Adds a validator to the list of validators.

Parameters:

validator -

isBeingValid

public boolean isBeingValid(java.lang.String value)

Description copied from interface: IValidator

Determines if the current value is valid. If it is not valid then it will not be accepted by the widget as being a valid input. (e.g. inputEvent.doit = false)

Specified by:

isBeingValid in interface IValidator

Parameters:

value - the string value which has been entered by the end user and requires validation.

Returns:

true if the input should be accepted.

isValid

public boolean isValid(java.lang.String value,
                       Messages messages)

Description copied from interface: IValidator

Determines if the overall input is valid. If the input is valid then true is returned and no further action is required. If the input is invalid false is returned an a message can optionally be added to the messages bundle. Any messages added will be displayed to the end user in the form of a messagebox.

Specified by:

isValid in interface IValidator

Parameters:

value - the string value which has been entered by the end user and requires validation.

messages - a bundle of messages to be displayed to the end user in the event that validation fails.

Returns:

true if the input should be accepted.